Analysis
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max time kernel
63s -
max time network
64s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-10-2024 05:19
General
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Target
Umbral.exe
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Size
229KB
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MD5
05396af5253bb6dd42278b146668faac
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SHA1
44a769f9800ed7675b6b6bd57a6a123b6dc10371
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SHA256
eacb721b092e628a9699924dad19f4ea4ae1f3d7eb5dce85b5dcd16a273cd78b
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SHA512
3283964cff79c4fa5319f92bd429c19b0f99ae4a0f518a15882a132177eba60e2ed2ec0fbcfdf273e7e0be646b4f00cee0298a23bef5a83b1985029845f1b916
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SSDEEP
6144:lloZM+rIkd8g+EtXHkv/iD4FQpTNbYMTiqL9Y0hU9b8e1msBi:noZtL+EP8FQpTNbYMTiqL9Y0h8w
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
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Umbral
Umbral stealer is an opensource moduler stealer written in C#.
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Umbral family
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Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE 2 IoCs
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Modifies system executable filetype association 2 TTPs 2 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Checks system information in the registry 2 TTPs 4 IoCs
System information is often read in order to detect sandboxing environments.
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies Internet Explorer settings 1 TTPs 2 IoCs
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Modifies registry class 64 IoCs
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Suspicious behavior: AddClipboardFormatListener 3 IoCs
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Suspicious behavior: EnumeratesProcesses 32 IoCs
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Suspicious use of AdjustPrivilegeToken 44 IoCs
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Suspicious use of FindShellTrayWindow 4 IoCs
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Suspicious use of SendNotifyMessage 4 IoCs
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Suspicious use of SetWindowsHookEx 9 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Umbral.exe"C:\Users\Admin\AppData\Local\Temp\Umbral.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Desktop\SplitSelect.docx" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe"C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe"1⤵
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Microsoft\OneDrive\Update\OneDriveSetup.exe"C:\Users\Admin\AppData\Local\Microsoft\OneDrive\Update\OneDriveSetup.exe" /update /restart2⤵
- Executes dropped EXE
- Checks system information in the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Microsoft\OneDrive\Update\OneDriveSetup.exeC:\Users\Admin\AppData\Local\Microsoft\OneDrive\Update\OneDriveSetup.exe /update /restart /peruser /childprocess /extractFilesWithLessThreadCount /renameReplaceOneDriveExe /renameReplaceODSUExe /removeNonCurrentVersions /enableODSUReportingMode3⤵
- Executes dropped EXE
- Checks system information in the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Persistence
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Replay Monitor
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Downloads
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Filesize
471B
MD584697b844c4bf8295b192523d3502f0b
SHA108acec99f0bed2d8b82778983926e0c204105fb6
SHA25618359abea906149bdc56031132e071cc39bef84722165176fb60c083380feffa
SHA512a3ed8fdf499173cec19a080279e2d4c8738cef6123ee0b7a0330717edfcef7d48d9cea4cc790e896a6f312a45cf55aa29566be625a3fe4f3b8d1b4d7d44cee00
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Filesize
471B
MD5c11671674643d73cae76b5717704ee8a
SHA1a93b6f870418e27e36b284333045c5c7264d3c47
SHA2566e2b6aff8c7cd0c948d2f2b5653a7126f791fe8c0462ef6498e36912085dd145
SHA512c4111ad849754d14b4c6f02a860683c0c141b020ba3a9f09a1595a6be1d7c1d3bbd4669cfc8436d7862cd72e1f9fa39d70c45d8e84c2272d3c779c03be8d5840
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Filesize
412B
MD5ae500a03c0507acd295d88abe3a149fd
SHA1ac1232cd1ad4862322ce627d2b801512c81ccb2c
SHA256ab030b373798a3deb428edb30b576e5613ac2c550834d74d17fd75ea32f91104
SHA51213e40e864c13abc38b564a5c7d00e211bb0cde6efa8c1cd854a3e628c8dd795cdf4a1c44334139b59135e6363e6a5e9cfe2630c2ee60558b63fc65ee246f4bc4
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Filesize
412B
MD54772dda337b0e33184d83e4632bc2c87
SHA1dfdeea6607dd679dce9149989248866b838da456
SHA256b7c9ed53d29ad4b2493f8e4ee4d11398dfce7a394248433146cc77073c6d399d
SHA5127472a39f761180eaed720a3f8fdc12fbf237c85eb93da413082fad1c7d3b68f02bd560e0bacead50b04871b5bb6b71675c0f92bf87be5ca45710a6dc270218c7
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Filesize
1KB
MD572747c27b2f2a08700ece584c576af89
SHA15301ca4813cd5ff2f8457635bc3c8944c1fb9f33
SHA2566f028542f6faeaaf1f564eab2605bedb20a2ee72cdd9930bde1a3539344d721b
SHA5123e7f84d3483a25a52a036bf7fd87aac74ac5af327bb8e4695e39dada60c4d6607d1c04e7769a808be260db2af6e91b789008d276ccc6b7e13c80eb97e2818aba
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Filesize
1KB
MD5b83ac69831fd735d5f3811cc214c7c43
SHA15b549067fdd64dcb425b88fabe1b1ca46a9a8124
SHA256cbdcf248f8a0fcd583b475562a7cdcb58f8d01236c7d06e4cdbfe28e08b2a185
SHA5124b2ee6b3987c048ab7cc827879b38fb3c216dab8e794239d189d1ba71122a74fdaa90336e2ea33abd06ba04f37ded967eb98fd742a02463b6eb68ab917155600
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Filesize
2KB
MD5771bc7583fe704745a763cd3f46d75d2
SHA1e38f9d7466eefc6d3d2aaa327f1bd42c5a5c7752
SHA25636a6aad9a9947ab3f6ac6af900192f5a55870d798bca70c46770ccf2108fd62d
SHA512959ea603abec708895b7f4ef0639c3f2d270cfdd38d77ac9bab8289918cbd4dbac3c36c11bb52c6f01b0adae597b647bb784bba513d77875979270f4962b7884
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Filesize
2KB
MD509773d7bb374aeec469367708fcfe442
SHA12bfb6905321c0c1fd35e1b1161d2a7663e5203d6
SHA25667d1bb54fcb19c174de1936d08b5dbdb31b98cfdd280bcc5122fb0693675e4f2
SHA512f500ea4a87a24437b60b0dc3ec69fcc5edbc39c2967743ddb41093b824d0845ffddd2df420a12e17e4594df39f63adad5abb69a29f8456fed03045a6b42388bc
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Filesize
6KB
MD5e01cdbbd97eebc41c63a280f65db28e9
SHA11c2657880dd1ea10caf86bd08312cd832a967be1
SHA2565cb8fd670585de8a7fc0ceede164847522d287ef17cd48806831ea18a0ceac1f
SHA512ffd928e289dc0e36fa406f0416fb07c2eb0f3725a9cdbb27225439d75b8582d68705ec508e3c4af1fc4982d06d70ef868cafbfc73a637724dee7f34828d14850
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Filesize
2KB
MD519876b66df75a2c358c37be528f76991
SHA1181cab3db89f416f343bae9699bf868920240c8b
SHA256a024fc5dbe0973fd9267229da4ebfd8fc41d73ca27a2055715aafe0efb4f3425
SHA51278610a040bbbb026a165a5a50dfbaf4208ebef7407660eea1a20e95c30d0d42ef1d13f647802a2f0638443ae2253c49945ebe018c3499ddbf00cfdb1db42ced1
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Filesize
3KB
MD58347d6f79f819fcf91e0c9d3791d6861
SHA15591cf408f0adaa3b86a5a30b0112863ec3d6d28
SHA256e8b30bfcee8041f1a70e61ca46764416fd1df2e6086ba4c280bfa2220c226750
SHA5129f658bc77131f4ac4f730ed56a44a406e09a3ceec215b7a0b2ed42d019d8b13d89ab117affb547a5107b5a84feb330329dc15e14644f2b52122acb063f2ba550
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Filesize
3KB
MD5de5ba8348a73164c66750f70f4b59663
SHA11d7a04b74bd36ecac2f5dae6921465fc27812fec
SHA256a0bbe33b798c3adac36396e877908874cffaadb240244095c68dff840dcbbf73
SHA51285197e0b13a1ae48f51660525557cceaeed7d893dd081939f62e6e8921bb036c6501d3bb41250649048a286ff6bac6c9c1a426d2f58f3e3b41521db26ef6a17c
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Filesize
4KB
MD5f1c75409c9a1b823e846cc746903e12c
SHA1f0e1f0cf35369544d88d8a2785570f55f6024779
SHA256fba9104432cbb8ebbd45c18ef1ba46a45dd374773e5aa37d411bb023ded8efd6
SHA512ed72eb547e0c03776f32e07191ce7022d08d4bcc66e7abca4772cdd8c22d8e7a423577805a4925c5e804ed6c15395f3df8aac7af62f1129e4982685d7e46bd85
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Filesize
8KB
MD5adbbeb01272c8d8b14977481108400d6
SHA11cc6868eec36764b249de193f0ce44787ba9dd45
SHA2569250ef25efc2a9765cf1126524256fdfc963c8687edfdc4a2ecde50d748ada85
SHA512c15951cf2dc076ed508665cd7dac2251c8966c1550b78549b926e98c01899ad825535001bd65eeb2f8680cd6753cd47e95606ecf453919f5827ed12bca062887
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Filesize
2KB
MD557a6876000151c4303f99e9a05ab4265
SHA11a63d3dd2b8bdc0061660d4add5a5b9af0ff0794
SHA2568acbdd41252595b7410ca2ed438d6d8ede10bd17fe3a18705eedc65f46e4c1c4
SHA512c6a2a9124bc6bcf70d2977aaca7e3060380a4d9428a624cc6e5624c75ebb6d6993c6186651d4e54edf32f3491d413714ef97a4cdc42bae94045cd804f0ad7cba
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Filesize
4KB
MD5d03b7edafe4cb7889418f28af439c9c1
SHA116822a2ab6a15dda520f28472f6eeddb27f81178
SHA256a5294e3c7cd855815f8d916849d87bd2357f5165eb4372f248fdf8b988601665
SHA51259d99f0b9a7813b28bae3ea1ae5bdbbf0d87d32ff621ff20cbe1b900c52bb480c722dd428578dea5d5351cc36f1fa56b2c1712f2724344f026fe534232812962
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Filesize
5KB
MD5a23c55ae34e1b8d81aa34514ea792540
SHA13b539dfb299d00b93525144fd2afd7dd9ba4ccbf
SHA2563df4590386671e0d6fee7108e457eb805370a189f5fdfeaf2f2c32d5adc76abd
SHA5121423a2534ae71174f34ee527fe3a0db38480a869cac50b08b60a2140b5587b3944967a95016f0b00e3ca9ced1f1452c613bb76c34d7ebd386290667084bce77d
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Filesize
6KB
MD513e6baac125114e87f50c21017b9e010
SHA1561c84f767537d71c901a23a061213cf03b27a58
SHA2563384357b6110f418b175e2f0910cffe588c847c8e55f2fe3572d82999a62c18e
SHA512673c3bec7c2cd99c07ebfca0f4ab14cd6341086c8702fe9e8b5028aed0174398d7c8a94583da40c32cd0934d784062ad6db71f49391f64122459f8bb00222e08
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Filesize
15KB
MD5e593676ee86a6183082112df974a4706
SHA1c4e91440312dea1f89777c2856cb11e45d95fe55
SHA256deb0ec0ee8f1c4f7ea4de2c28ff85087ee5ff8c7e3036c3b0a66d84bae32b6bb
SHA51211d7ed45f461f44fa566449bb50bcfce35f73fc775744c2d45ea80aeb364fe40a68a731a2152f10edc059dea16b8bab9c9a47da0c9ffe3d954f57da0ff714681
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Filesize
783B
MD5f4e9f958ed6436aef6d16ee6868fa657
SHA1b14bc7aaca388f29570825010ebc17ca577b292f
SHA256292cac291af7b45f12404f968759afc7145b2189e778b14d681449132b14f06b
SHA512cd5d78317e82127e9a62366fd33d5420a6f25d0a6e55552335e64dc39932238abd707fe75d4f62472bc28a388d32b70ff08b6aa366c092a7ace3367896a2bd98
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Filesize
1018B
MD52c7a9e323a69409f4b13b1c3244074c4
SHA13c77c1b013691fa3bdff5677c3a31b355d3e2205
SHA2568efeacefb92d64dfb1c4df2568165df6436777f176accfd24f4f7970605d16c2
SHA512087c12e225c1d791d7ad0bf7d3544b4bed8c4fb0daaa02aee0e379badae8954fe6120d61fdf1a11007cbcdb238b5a02c54f429b6cc692a145aa8fbd220c0cb2d
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Filesize
1KB
MD5552b0304f2e25a1283709ad56c4b1a85
SHA192a9d0d795852ec45beae1d08f8327d02de8994e
SHA256262b9a30bb8db4fc59b5bc348aa3813c75e113066a087135d0946ad916f72535
SHA5129559895b66ef533486f43274f7346ad3059c15f735c9ce5351adf1403c95c2b787372153d4827b03b6eb530f75efcf9ae89db1e9c69189e86d6383138ab9c839
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Filesize
1KB
MD522e17842b11cd1cb17b24aa743a74e67
SHA1f230cb9e5a6cb027e6561fabf11a909aa3ba0207
SHA2569833b80def72b73fca150af17d4b98c8cd484401f0e2d44320ecd75b5bb57c42
SHA5128332fc72cd411f9d9fd65950d58bf6440563dc4bd5ce3622775306575802e20c967f0ee6bab2092769a11e2a4ea228dab91a02534beeb8afde8239dd2b90f23a
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Filesize
3KB
MD53c29933ab3beda6803c4b704fba48c53
SHA1056fe7770a2ba171a54bd60b3c29c4fbb6d42f0c
SHA2563a7ef7c0bda402fdaff19a479d6c18577c436a5f4e188da4c058a42ef09a7633
SHA51209408a000a6fa8046649c61ccef36afa1046869506f019f739f67f5c1c05d2e313b95a60bd43d9be882688df1610ad7979dd9d1f16a2170959b526ebd89b8ef7
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Filesize
1.9MB
MD51c7eaa9f5a7ea5a58942e94adc424901
SHA1254190bea43532224a51e34c1bb0762daec7deb3
SHA256acf02bf598a1732248c7f829e2e6dc8b49231e8b623f2f3d43d62429bb547f7e
SHA512d879149ffd0bc1e668808d28e5719014c528606997f23d0167d6eec1887470948f231fc18012f360d32f96c47ddf6e958785d7430ebf782a3cb66f24719d55e7
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Filesize
40.2MB
MD5fb4aa59c92c9b3263eb07e07b91568b5
SHA16071a3e3c4338b90d892a8416b6a92fbfe25bb67
SHA256e70e80dbbc9baba7ddcee70eda1bb8d0e6612dfb1d93827fe7b594a59f3b48b9
SHA51260aabbe2fd24c04c33e7892eab64f24f8c335a0dd9822eb01adc5459e850769fc200078c5ccee96c1f2013173bc41f5a2023def3f5fe36e380963db034924ace
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Filesize
38B
MD5cc04d6015cd4395c9b980b280254156e
SHA187b176f1330dc08d4ffabe3f7e77da4121c8e749
SHA256884d272d16605590e511ae50c88842a8ce203a864f56061a3c554f8f8265866e
SHA512d3cb7853b69649c673814d5738247b5fbaaae5bb7b84e4c7b3ff5c4f1b1a85fc7261a35f0282d79076a9c862e5e1021d31a318d8b2e5a74b80500cb222642940
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Filesize
63KB
MD5e516a60bc980095e8d156b1a99ab5eee
SHA1238e243ffc12d4e012fd020c9822703109b987f6
SHA256543796a1b343b4ebc0285d89cb8eb70667ac7b513da37495e38003704e9d88d7
SHA5129b51e99ba20e9da56d1acc24a1cf9f9c9dbdeb742bec034e0ff2bc179a60f4aff249f40344f9ddd43229dcdefa1041940f65afb336d46c175ffeff725c638d58
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Filesize
77B
MD59a05593e932c3f8a621e82773a2e67c4
SHA1140ddbab470afe692161716af783bad5ca1b1e51
SHA256b258347513f2eda32b95ee380182382486e3d16a9b952ec083c6fa88ef6162f8
SHA5122af427451a57b2e196b49e88cc5a78d4e7298d1bc58c603f0ad37b62a6c37378170db1cfda1084c8c8b81318124c1c98374c6c98e43462fe49556adf84859875
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Filesize
726B
MD553244e542ddf6d280a2b03e28f0646b7
SHA1d9925f810a95880c92974549deead18d56f19c37
SHA25636a6bd38a8a6f5a75b73caffae5ae66dfabcaefd83da65b493fa881ea8a64e7d
SHA5124aa71d92ea2c46df86565d97aac75395371d3e17877ab252a297b84dca2ab251d50aaffc62eab9961f0df48de6f12be04a1f4a2cbde75b9ae7bcce6eb5450c62
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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Filesize
35.9MB
MD55b16ef80abd2b4ace517c4e98f4ff551
SHA1438806a0256e075239aa8bbec9ba3d3fb634af55
SHA256bbc70091b3834af5413b9658b07269badd4cae8d96724bf1f7919f6aab595009
SHA51269a22b063ab92ca7e941b826400c62be41ae0317143387c8aa8c727b5c9ee3528ddd4014de22a2a2e2cbae801cb041fe477d68d2684353cdf6c83d7ee97c43d4
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Filesize
387B
MD57e6df33577e81346eb6d234277ca2893
SHA14b5d37bd50b803f3f6576638b960717d33814828
SHA2561d5f7b82e198444c458265dcfc5b03e8ccc72f431db11f9a14ff3c7a51aa554b
SHA5125901116d933586043e4b38f7c1678b980e6e133046a2849d0337c9e68b831724912eab7c2632fffbf18b7930ebc588f8135bc5e614d151a57db8ac8fd5286f59
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Filesize
4KB
MD537a8cec12110be1af0a2b47a15277b18
SHA13f19ef801c15a7a7e0689d40c17ab7e76fe81c5a
SHA256868ef0130e3ccf2aedd60c08a077eb746ccf7dae750dbd8d7634bfdf95e98ece
SHA512cc905b975452742bc9a8616723166fa44d2768eb62b2fe7fedced74308b62ab2736fd41cbb2a475aa3962eaa527b4945070ac5ca1b5d00fe239ebdcb5e392abd
-
Filesize
2.0MB
-
Filesize
2.0MB
-
Filesize
2.0MB
-
Filesize
2.0MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
2.0MB
-
Filesize
64KB
-
Filesize
2.0MB
-
Filesize
64KB
-
Filesize
2.0MB
-
Filesize
64KB
-
Filesize
2.0MB
-
Filesize
2.0MB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
2.0MB
-
Filesize
64KB
-
Filesize
256KB
-
Filesize
8KB
-
Filesize
10.8MB
-
Filesize
10.8MB
