Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2024 11:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231129-en
General
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Target
file.exe
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Size
916KB
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MD5
07ecf716a8c177510d8bbb67c9023589
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SHA1
ff8623958dbacdbd2d370e34b91d55823906b0e1
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SHA256
22b5dce4881004cd5491a450ccd459dc4790f28e8dfd9765e040b51003cccab8
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SHA512
f757576f63cece311e391b458a5d953d825a66437dcc2cf98e5f2249e89463268c363dd7facfd316827117de6d61cc8a1c5d732f6b6c9c47ab82c986920018d2
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SSDEEP
12288:pjgO9SCF1OevUUGQv0R4jesqzAOzS7EPoHWj9cy1eMX9ECcCVu5brNKtqFJ/hkaC:xgO9ZzvzKLAkDA2xcyB9uJGG/hWuzw
Malware Config
Extracted
darkcloud
- email_from
- email_to
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
file.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation file.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
file.exedescription pid process target process PID 3616 set thread context of 2072 3616 file.exe file.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exepowershell.exefile.exepid process 3464 powershell.exe 5008 powershell.exe 3616 file.exe 3616 file.exe 5008 powershell.exe 3464 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
file.exepid process 2072 file.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exefile.exedescription pid process Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 3616 file.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
file.exepid process 2072 file.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
file.exedescription pid process target process PID 3616 wrote to memory of 5008 3616 file.exe powershell.exe PID 3616 wrote to memory of 5008 3616 file.exe powershell.exe PID 3616 wrote to memory of 5008 3616 file.exe powershell.exe PID 3616 wrote to memory of 3464 3616 file.exe powershell.exe PID 3616 wrote to memory of 3464 3616 file.exe powershell.exe PID 3616 wrote to memory of 3464 3616 file.exe powershell.exe PID 3616 wrote to memory of 4236 3616 file.exe schtasks.exe PID 3616 wrote to memory of 4236 3616 file.exe schtasks.exe PID 3616 wrote to memory of 4236 3616 file.exe schtasks.exe PID 3616 wrote to memory of 3252 3616 file.exe file.exe PID 3616 wrote to memory of 3252 3616 file.exe file.exe PID 3616 wrote to memory of 3252 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe PID 3616 wrote to memory of 2072 3616 file.exe file.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJkikIYc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJkikIYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp98A6.tmp"2⤵
- Creates scheduled task(s)
PID:4236 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵PID:3252
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2072
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5bbb03d1724349d888b9741453af38c7f
SHA19ebfb8852cd312689c958bd2d2e0bb3bca916897
SHA2563b1c450f38e038ae43f607583121abe153528ed41515331cc61b93c68b0353d4
SHA512521f74a062854a3981d391be8d7caeb2e01b6eb826e35a54577add3e48fe9346baf8af5eacddb0abca9ea8327d6b63f4407bb3f789a6be30b97aed98dad30f87
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5041f7b4c6ac5d3b4f8921f12240db266
SHA1d04cf7623e42938b36300d41420c04ed170a0987
SHA2569acc5a15a9837d43bcc5c6c94573744da08f8b15981e24f9355831325197ff04
SHA51290d907f8fef59b91ec6d7f164834e899da364e5487fc2c468d07ec1059daf42ccf08f1c3e3913e6aff48e2827fc14a26379ea2fbdc85cd8bce7af2f72f071912