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Resubmissions
25/02/2025, 18:31
250225-w51ava1jt9 811/03/2024, 23:35
240311-3leclahf51 805/09/2023, 14:57
230905-sbr6lagd82 812/04/2023, 00:00
230412-aaqx2ahh3w 8Analysis
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max time kernel
150s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
05/09/2023, 14:57
Static task
static1
Behavioral task
behavioral1
Sample
Elo.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Elo.exe
Resource
win10v2004-20230831-en
General
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Target
Elo.exe
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Size
96KB
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MD5
26b12d61e9e62412748069275521be1a
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SHA1
6206f2f1256774a058998da3517cbffc5e70270e
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SHA256
a6f48afd03aaa15824a2182e20088a4595f795766f78d679416d123ec17e1de5
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SHA512
0e28b335d373c7d1d92f15bd412886472db66ad9b1ab9a4fcae6f1338df07785a62b03ff069aea9543a850c95e9990e3107e0114d63f207721e897b859956491
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SSDEEP
1536:f7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfswociK1CFOU:T7DhdC6kzWypvaQ0FxyNTBfspwYp
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 14 4944 powershell.exe -
Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000\Control Panel\International\Geo\Nation WScript.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 1372 timeout.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000_Classes\Local Settings powershell.exe Key created \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000_Classes\Local Settings powershell.exe Key created \REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000_Classes\Local Settings cmd.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3340 NOTEPAD.EXE -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4944 powershell.exe 4760 powershell.exe 4760 powershell.exe 4944 powershell.exe 1508 powershell.exe 1508 powershell.exe 1508 powershell.exe 3168 powershell.exe 3168 powershell.exe 3168 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeSystemtimePrivilege 4100 cmd.exe Token: SeSystemtimePrivilege 4100 cmd.exe Token: SeSystemtimePrivilege 4100 cmd.exe Token: SeSystemtimePrivilege 4100 cmd.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 3168 powershell.exe -
Suspicious use of WriteProcessMemory 52 IoCs
description pid Process procid_target PID 5092 wrote to memory of 4100 5092 Elo.exe 86 PID 5092 wrote to memory of 4100 5092 Elo.exe 86 PID 4100 wrote to memory of 3988 4100 cmd.exe 87 PID 4100 wrote to memory of 3988 4100 cmd.exe 87 PID 3988 wrote to memory of 3856 3988 net.exe 88 PID 3988 wrote to memory of 3856 3988 net.exe 88 PID 4100 wrote to memory of 4384 4100 cmd.exe 89 PID 4100 wrote to memory of 4384 4100 cmd.exe 89 PID 4100 wrote to memory of 224 4100 cmd.exe 90 PID 4100 wrote to memory of 224 4100 cmd.exe 90 PID 4100 wrote to memory of 4236 4100 cmd.exe 91 PID 4100 wrote to memory of 4236 4100 cmd.exe 91 PID 4100 wrote to memory of 1104 4100 cmd.exe 92 PID 4100 wrote to memory of 1104 4100 cmd.exe 92 PID 4100 wrote to memory of 4720 4100 cmd.exe 93 PID 4100 wrote to memory of 4720 4100 cmd.exe 93 PID 4100 wrote to memory of 4156 4100 cmd.exe 94 PID 4100 wrote to memory of 4156 4100 cmd.exe 94 PID 4100 wrote to memory of 3728 4100 cmd.exe 96 PID 4100 wrote to memory of 3728 4100 cmd.exe 96 PID 4100 wrote to memory of 4248 4100 cmd.exe 97 PID 4100 wrote to memory of 4248 4100 cmd.exe 97 PID 4100 wrote to memory of 1848 4100 cmd.exe 98 PID 4100 wrote to memory of 1848 4100 cmd.exe 98 PID 4100 wrote to memory of 5076 4100 cmd.exe 99 PID 4100 wrote to memory of 5076 4100 cmd.exe 99 PID 4100 wrote to memory of 1128 4100 cmd.exe 100 PID 4100 wrote to memory of 1128 4100 cmd.exe 100 PID 4100 wrote to memory of 3340 4100 cmd.exe 101 PID 4100 wrote to memory of 3340 4100 cmd.exe 101 PID 4100 wrote to memory of 1592 4100 cmd.exe 102 PID 4100 wrote to memory of 1592 4100 cmd.exe 102 PID 1128 wrote to memory of 4760 1128 WScript.exe 103 PID 1128 wrote to memory of 4760 1128 WScript.exe 103 PID 4100 wrote to memory of 4960 4100 cmd.exe 105 PID 4100 wrote to memory of 4960 4100 cmd.exe 105 PID 4100 wrote to memory of 4944 4100 cmd.exe 106 PID 4100 wrote to memory of 4944 4100 cmd.exe 106 PID 4760 wrote to memory of 3116 4760 powershell.exe 107 PID 4760 wrote to memory of 3116 4760 powershell.exe 107 PID 3116 wrote to memory of 2328 3116 cmd.exe 109 PID 3116 wrote to memory of 2328 3116 cmd.exe 109 PID 2328 wrote to memory of 1508 2328 WScript.exe 110 PID 2328 wrote to memory of 1508 2328 WScript.exe 110 PID 3116 wrote to memory of 4584 3116 cmd.exe 112 PID 3116 wrote to memory of 4584 3116 cmd.exe 112 PID 1508 wrote to memory of 3772 1508 powershell.exe 114 PID 1508 wrote to memory of 3772 1508 powershell.exe 114 PID 4100 wrote to memory of 3168 4100 cmd.exe 116 PID 4100 wrote to memory of 3168 4100 cmd.exe 116 PID 4100 wrote to memory of 1372 4100 cmd.exe 119 PID 4100 wrote to memory of 1372 4100 cmd.exe 119 -
Views/modifies file attributes 1 TTPs 11 IoCs
pid Process 5076 attrib.exe 1592 attrib.exe 4236 attrib.exe 3728 attrib.exe 4248 attrib.exe 4720 attrib.exe 4156 attrib.exe 1848 attrib.exe 4384 attrib.exe 224 attrib.exe 1104 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Elo.exe"C:\Users\Admin\AppData\Local\Temp\Elo.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\71D4.tmp\71D5.tmp\71D6.bat C:\Users\Admin\AppData\Local\Temp\Elo.exe"2⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Windows\system32\net.exenet session3⤵
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 session4⤵PID:3856
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C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\Elo.exe3⤵
- Views/modifies file attributes
PID:4384
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C:\Windows\system32\attrib.exeattrib +h +s 17537.vbs3⤵
- Views/modifies file attributes
PID:224
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C:\Windows\system32\attrib.exeattrib +h +s 31223.vbs3⤵
- Views/modifies file attributes
PID:4236
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C:\Windows\system32\attrib.exeattrib +h +s 15622.vbs3⤵
- Views/modifies file attributes
PID:1104
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C:\Windows\system32\attrib.exeattrib +h +s Automate.bat3⤵
- Views/modifies file attributes
PID:4720
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C:\Windows\system32\attrib.exeattrib +h +s Test.vbs3⤵
- Views/modifies file attributes
PID:4156
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C:\Windows\system32\attrib.exeattrib +h +s Test.bat3⤵
- Views/modifies file attributes
PID:3728
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C:\Windows\system32\attrib.exeattrib +h +s Detect.vbs3⤵
- Views/modifies file attributes
PID:4248
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C:\Windows\system32\attrib.exeattrib +h +s Detect.bat3⤵
- Views/modifies file attributes
PID:1848
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C:\Windows\system32\attrib.exeattrib +h +s bsod.bat3⤵
- Views/modifies file attributes
PID:5076
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\17537.vbs"3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process Detect.bat -Verb RunAs -windowstyle hidden4⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Detect.bat"5⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Detect.vbs"6⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process Test.bat -Verb RunAs -windowstyle hidden -wait7⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Test.bat"8⤵PID:3772
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Test.vbs"6⤵PID:4584
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\MEMZ.txt3⤵
- Opens file in notepad (likely ransom note)
PID:3340
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C:\Windows\system32\attrib.exeattrib +h +s MEMZ.txt3⤵
- Views/modifies file attributes
PID:1592
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" type NirCmd.ps1 "3⤵PID:4960
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -noprofile -3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4944
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell gci -Recurse -Filter *.zip |ForEach-Object {Expand-Archive -Path $_.Fullname -DestinationPath $_.BaseName -Force}3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168
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C:\Windows\system32\timeout.exetimeout 15 /nobreak3⤵
- Delays execution with timeout.exe
PID:1372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64B
MD550a8221b93fbd2628ac460dd408a9fc1
SHA17e99fe16a9b14079b6f0316c37cc473e1f83a7e6
SHA25646e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e
SHA51227dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0
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Filesize
218B
MD5a5ffacb76079366b573d25fec3dccf7f
SHA15039dc66332fdade2b16d3b9065fb5fc9061f6ba
SHA25624ab295f3ea0d46fc827398c8b1d3b23752de36c8100bcfc4b5f011915b4f4f8
SHA51285b40e401e88dd13f84ec781956980c59ccb338f3953240da0be5bf17ce7d42d1654cada7e8fc70a52a2a1befb697f7ad63622c2f97f7659d481e315fb4f1046
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Filesize
128B
MD5de77acb4970462a84d1418426ef768c0
SHA19f9420eecfda1a228b31ba6a7a7cac2a2885d59e
SHA256533d3759b2dc9f801b1440002bbe45a19099d87378faa7cd1ca38b6ed15c91cf
SHA512c9bd51a8f42d51e4ecf3b699aaf5c907fb85d4c727f376677604f7bac369740a13953631c4164c988707e64494c8ecb7164074b782ce2a544220b1abd0aef0dc
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Filesize
147B
MD59e058306bf7f9c484a7553dcd1a080ad
SHA198670b4b9c36eea14078343272418104aee382c0
SHA256245c3a8cf02aa38b997b3a4eea47b1872c68d882a2e63c19e142b5f3e72a9d0c
SHA512bd4455afc947671eae07099d026124aeeda1c2f0ecac05f1fdf48bbe7ad2213d42dc797282cf1e7a206232d2463d8765944e6e9db8ce5c404f64b6d0c6f16fa0
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Filesize
7KB
MD5481a357d27e7c1a2cfbe617f14600b8b
SHA15c29901995a3d345eaa0d3cc9ee763ec21638b89
SHA256970b56f67e1996e434fc45c12b5157fb96ae4886b3ea4e77fad2e86fc78321aa
SHA5123504010edfa0f8a17b888fdaa1631c5a2efc20a5689bb8cc06fe1a6a95067cc1ebd6ef52d2ea8c52867b7e16280292972025358beccf0937313822c6199b2bfd
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Filesize
250B
MD562ebc7b556f2adbb5e0979ea887cadd1
SHA1171c23db9bc90253ccc02028ad7f6d1f905341fc
SHA256f1207492c1ef39f063fdade489f50cd2597b3a439bf1b5abfe033583f37ecb34
SHA5126a468dc90e29a281d2355e35a99d0a5fd6d3de4e739743bba50f47272bc3f48bc317860e32053fb950f60c0ba6a38cb4b8f82a0275ee71a7fcc8c3a4ddd07194
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Filesize
111B
MD53cb76846869bcbb44cebf7c7e4c6218c
SHA16d05544d37255fff5b838d3f3b7e0113fbb67c03
SHA256a6c5a78cb4cb2427005933c394abc76ed075e3c7fb996e14802b306a7838bcf2
SHA512a6017cccc5692992bcd9069f4593d3d56af9146628d9716daa0a663941a22522d2fe265dc1bc727b9eaeef1b06027c6d2b077db9ee2ea73802621ff89c980e58
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Filesize
220B
MD50ba0411f0d555bebb7752316e799f779
SHA14bdc902ee5300a65a4bad277f2a8b0175da7674d
SHA256d7c456e54e9a5621b7df7cce19994ac3dd348ee98b086ae43112348c7935da06
SHA5126738b93630327a2c2ef326abc4b896533523c602d57cd8a2305b151efd1e727938f6afce4e090e92d74964a01d748666a24847d537caf46e1a562c98927f9275
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Filesize
202B
MD5c6e2a6fe68bdcf28fd4632bcdea5a8ee
SHA14b8239cdafbba61992260695dc0e5249e37cb18c
SHA2561a790c636b4b92759ff47ea50792fec9d7da67d2764b49d64644fc562c35a908
SHA5120115a40e16647873223d6450b00b2168a00282b6decebbd92722a64c9625bdfa79bc65645e8fe021f76201f72a78c46676037953ea2918114e26b1076a912067
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Filesize
104B
MD566f27c86f734b28d170f3c4e1db8958e
SHA125557a67a5dc675e518e1bd83b32d346cc95025c
SHA2561e9a3e5b03f1f763274fd17b8f5c64e2629923dd0c9cfc94865eadef9c69e90b
SHA512f793c9742586e3150974e490c849dd0ed7a6a57e31d7affcc02406662e81378218991e6dbe63105db01cf7c352f1e76b4e71249fe8781a880258f9e9cab7fd7d
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Filesize
18B
MD5e57a11eb25dd25ed755c1839d0e4a9b7
SHA1e26d908081f93f2f28cef5091fd43a3ca1920dcf
SHA256c196c15d05b0197ea127877380a5001d6b294083c4fd92e62be55438e6a7bdff
SHA5121e2b50c39b67f0f1ac0cec2126817b033355147923ae8303b82ea9e19194820e9796c5cbff4af4f89683b471f4b7262dbd3953bdd7d87bfcd2cdaaf0991ad607
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Filesize
10B
MD57aba77b3cbdf0b7c78cee71d55dd6f50
SHA1e1c06f4fc0029aa239aa2a8d5d6a0ec6bbd89516
SHA2569b972e91c3c303336561ca43420e9a808c34812246b9fe6d85c22bf005254e3a
SHA512d6e8770db9f96c32dc76fa2d8a78f50a24938be6e2aabd3214080a4db0ec497ec5ce6ae1b481d8b0bb442779812e7222e435d8f5e6b5dd763c46a959a4c14f34
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
40B
MD5e9ca92728d880c80a242d55390769d37
SHA1c82e73e41912b3543150d2f8e520b77e66c64876
SHA256a67f7e91a028d2695cdacf984b5fd2f33ee90e95d84467df1e33a94e3573e19e
SHA51270fc9d051486e2ec964baefedf4fb8959baa3dee74887028dd4ff4337ecf0f70012c9eec855f1a65e9f141d3b76d9c616039a292e779ce690f1e191397eb088c