Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01-03-2023 07:01
Static task
static1
Behavioral task
behavioral1
Sample
42799223.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
42799223.js
Resource
win10v2004-20230220-en
General
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Target
42799223.js
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Size
337KB
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MD5
98852e60ba7c53901110f0b5252ca2e1
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SHA1
75dd09aef979344a7a3980ef7a68dfc6af26d9f4
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SHA256
d89d414f788968b51167e9020ea772fd1e869a5633604042185cc37c2056a20c
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SHA512
e4b5b2c33cfffb4edc400ceb9ac0f079ccf12607fd161fa35f016192132f11081910e03da40f6759210f7f92b9b5967a21977dc20e5dd0722a03464a735ad274
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SSDEEP
6144:GQlhss9OrDm+2FeaIPNIGNd3o6vjjJe+FW2wG1v2WOpsTA91:NzhwrDmzFgIGNdrjJ7hwGxA1
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wyodlsomf.txt java.exe -
Loads dropped DLL 1 IoCs
pid Process 1948 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wyodlsomf = "\"C:\\Users\\Admin\\AppData\\Roaming\\wyodlsomf.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wyodlsomf = "\"C:\\Users\\Admin\\AppData\\Roaming\\wyodlsomf.txt\"" java.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 70 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2888 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1144 WMIC.exe Token: SeSecurityPrivilege 1144 WMIC.exe Token: SeTakeOwnershipPrivilege 1144 WMIC.exe Token: SeLoadDriverPrivilege 1144 WMIC.exe Token: SeSystemProfilePrivilege 1144 WMIC.exe Token: SeSystemtimePrivilege 1144 WMIC.exe Token: SeProfSingleProcessPrivilege 1144 WMIC.exe Token: SeIncBasePriorityPrivilege 1144 WMIC.exe Token: SeCreatePagefilePrivilege 1144 WMIC.exe Token: SeBackupPrivilege 1144 WMIC.exe Token: SeRestorePrivilege 1144 WMIC.exe Token: SeShutdownPrivilege 1144 WMIC.exe Token: SeDebugPrivilege 1144 WMIC.exe Token: SeSystemEnvironmentPrivilege 1144 WMIC.exe Token: SeRemoteShutdownPrivilege 1144 WMIC.exe Token: SeUndockPrivilege 1144 WMIC.exe Token: SeManageVolumePrivilege 1144 WMIC.exe Token: 33 1144 WMIC.exe Token: 34 1144 WMIC.exe Token: 35 1144 WMIC.exe Token: 36 1144 WMIC.exe Token: SeIncreaseQuotaPrivilege 1144 WMIC.exe Token: SeSecurityPrivilege 1144 WMIC.exe Token: SeTakeOwnershipPrivilege 1144 WMIC.exe Token: SeLoadDriverPrivilege 1144 WMIC.exe Token: SeSystemProfilePrivilege 1144 WMIC.exe Token: SeSystemtimePrivilege 1144 WMIC.exe Token: SeProfSingleProcessPrivilege 1144 WMIC.exe Token: SeIncBasePriorityPrivilege 1144 WMIC.exe Token: SeCreatePagefilePrivilege 1144 WMIC.exe Token: SeBackupPrivilege 1144 WMIC.exe Token: SeRestorePrivilege 1144 WMIC.exe Token: SeShutdownPrivilege 1144 WMIC.exe Token: SeDebugPrivilege 1144 WMIC.exe Token: SeSystemEnvironmentPrivilege 1144 WMIC.exe Token: SeRemoteShutdownPrivilege 1144 WMIC.exe Token: SeUndockPrivilege 1144 WMIC.exe Token: SeManageVolumePrivilege 1144 WMIC.exe Token: 33 1144 WMIC.exe Token: 34 1144 WMIC.exe Token: 35 1144 WMIC.exe Token: 36 1144 WMIC.exe Token: SeIncreaseQuotaPrivilege 664 WMIC.exe Token: SeSecurityPrivilege 664 WMIC.exe Token: SeTakeOwnershipPrivilege 664 WMIC.exe Token: SeLoadDriverPrivilege 664 WMIC.exe Token: SeSystemProfilePrivilege 664 WMIC.exe Token: SeSystemtimePrivilege 664 WMIC.exe Token: SeProfSingleProcessPrivilege 664 WMIC.exe Token: SeIncBasePriorityPrivilege 664 WMIC.exe Token: SeCreatePagefilePrivilege 664 WMIC.exe Token: SeBackupPrivilege 664 WMIC.exe Token: SeRestorePrivilege 664 WMIC.exe Token: SeShutdownPrivilege 664 WMIC.exe Token: SeDebugPrivilege 664 WMIC.exe Token: SeSystemEnvironmentPrivilege 664 WMIC.exe Token: SeRemoteShutdownPrivilege 664 WMIC.exe Token: SeUndockPrivilege 664 WMIC.exe Token: SeManageVolumePrivilege 664 WMIC.exe Token: 33 664 WMIC.exe Token: 34 664 WMIC.exe Token: 35 664 WMIC.exe Token: 36 664 WMIC.exe Token: SeIncreaseQuotaPrivilege 664 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2368 wrote to memory of 1988 2368 wscript.exe 85 PID 2368 wrote to memory of 1988 2368 wscript.exe 85 PID 1988 wrote to memory of 1692 1988 javaw.exe 88 PID 1988 wrote to memory of 1692 1988 javaw.exe 88 PID 1692 wrote to memory of 1800 1692 java.exe 92 PID 1692 wrote to memory of 1800 1692 java.exe 92 PID 1692 wrote to memory of 1948 1692 java.exe 93 PID 1692 wrote to memory of 1948 1692 java.exe 93 PID 1800 wrote to memory of 2888 1800 cmd.exe 96 PID 1800 wrote to memory of 2888 1800 cmd.exe 96 PID 1948 wrote to memory of 4312 1948 java.exe 98 PID 1948 wrote to memory of 4312 1948 java.exe 98 PID 4312 wrote to memory of 1144 4312 cmd.exe 100 PID 4312 wrote to memory of 1144 4312 cmd.exe 100 PID 1948 wrote to memory of 4788 1948 java.exe 102 PID 1948 wrote to memory of 4788 1948 java.exe 102 PID 4788 wrote to memory of 664 4788 cmd.exe 104 PID 4788 wrote to memory of 664 4788 cmd.exe 104 PID 1948 wrote to memory of 5104 1948 java.exe 105 PID 1948 wrote to memory of 5104 1948 java.exe 105 PID 5104 wrote to memory of 2644 5104 cmd.exe 107 PID 5104 wrote to memory of 2644 5104 cmd.exe 107 PID 1948 wrote to memory of 1876 1948 java.exe 108 PID 1948 wrote to memory of 1876 1948 java.exe 108 PID 1876 wrote to memory of 1320 1876 cmd.exe 110 PID 1876 wrote to memory of 1320 1876 cmd.exe 110 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\42799223.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\wyodlsomf.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\wyodlsomf.txt"3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\wyodlsomf.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\wyodlsomf.txt"5⤵
- Creates scheduled task(s)
PID:2888
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C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\wyodlsomf.txt"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1144
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:664
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:2644
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:1320
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
50B
MD5b6fdd18f6c56a54da0f69ae614fe5250
SHA1a7283c2fbfacab5a60b80d9bcf7897b0a6938858
SHA256d239fc86d23bf51aa70853c2fdef8f350f46d6278095aa13c021beeea31a7c7a
SHA512c0f839b1cfb1f1b71ba5c7f9a5371aac25e1c61b003757493d968c11bd5860a9f0bd62b2780868d4645ffb5eddcf2ecbf91b5a68fa9276466c2f7a4dd5b94c90
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Filesize
50B
MD5a788350249d91d5446cd983f927b6656
SHA11b137f85937e18b35c8a18e4a946f629593b2043
SHA256675be0df0f8876db5b1dd45f69813c79b8dd575355cca7013560164d9d0175cb
SHA512aa8462c7891e8d38173781aaa93d09e6ed22cddb6a6fe10687d7c3c047cfbc2f9bbe4b3a6946e8347ff47b79e932553b292c4438f79d38f9df8bb195e3f71876
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1675742406-747946869-1029867430-1000\83aa4cc77f591dfc2374580bbd95f6ba_8d6935fa-0795-4a6f-bfd9-e755f1917fa0
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
164KB
MD5ee0c894459d03d1cac9a1ffda9a7f424
SHA18cf7735a72d49cfcdb61f7dd2aee32ee05bdac59
SHA25676ad6c02cae9447420bd4e3b74b580637fadf3a891be3e79750a68dd5b3b493c
SHA512fee7e034dfe382130708bc4f422c1c710fe1a296519319741ab693178a1ea764c86dbf4c99f7bcd30598e633e81fb965412f81b4b4b093e80c96421e9f9286a5
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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Filesize
164KB
MD5ee0c894459d03d1cac9a1ffda9a7f424
SHA18cf7735a72d49cfcdb61f7dd2aee32ee05bdac59
SHA25676ad6c02cae9447420bd4e3b74b580637fadf3a891be3e79750a68dd5b3b493c
SHA512fee7e034dfe382130708bc4f422c1c710fe1a296519319741ab693178a1ea764c86dbf4c99f7bcd30598e633e81fb965412f81b4b4b093e80c96421e9f9286a5
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Filesize
164KB
MD5ee0c894459d03d1cac9a1ffda9a7f424
SHA18cf7735a72d49cfcdb61f7dd2aee32ee05bdac59
SHA25676ad6c02cae9447420bd4e3b74b580637fadf3a891be3e79750a68dd5b3b493c
SHA512fee7e034dfe382130708bc4f422c1c710fe1a296519319741ab693178a1ea764c86dbf4c99f7bcd30598e633e81fb965412f81b4b4b093e80c96421e9f9286a5
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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Filesize
164KB
MD5ee0c894459d03d1cac9a1ffda9a7f424
SHA18cf7735a72d49cfcdb61f7dd2aee32ee05bdac59
SHA25676ad6c02cae9447420bd4e3b74b580637fadf3a891be3e79750a68dd5b3b493c
SHA512fee7e034dfe382130708bc4f422c1c710fe1a296519319741ab693178a1ea764c86dbf4c99f7bcd30598e633e81fb965412f81b4b4b093e80c96421e9f9286a5