Analysis
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max time kernel
142s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
05/08/2023, 09:53
Static task
static1
Behavioral task
behavioral1
Sample
d8a5317c8c4e740557a01574cfebf71f.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
d8a5317c8c4e740557a01574cfebf71f.exe
Resource
win10v2004-20230703-en
General
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Target
d8a5317c8c4e740557a01574cfebf71f.exe
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Size
753KB
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MD5
d8a5317c8c4e740557a01574cfebf71f
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SHA1
129fe4f6b63412c22f728d7fec1da8cb69c9e0a5
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SHA256
c92819a5b69535e455893801e3ceabc29f5659a213ff93d4891b36c8af740059
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SHA512
4e52469c027f9a8a70cae3565bc7868b720c9249ba022db5eb4f636bb770e905e78c758792bae3174f499eb1b9ba09f359b0fa54fab811db0fa05cdd8a781916
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SSDEEP
12288:FfNMRf0t5/T4U0T2yhANAv3g5uFDztzT90QQpO:FfyRc3bQ22A2vjtzTiXg
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.qbangra.com - Port:
587 - Username:
[email protected] - Password:
QBangra2020 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
resource yara_rule behavioral2/memory/1236-150-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/1236-198-0x00000000057D0000-0x00000000057E0000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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.
flow ioc 31 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3788 set thread context of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 -
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.
pid Process 2088 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 3788 d8a5317c8c4e740557a01574cfebf71f.exe 3788 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1236 d8a5317c8c4e740557a01574cfebf71f.exe 1644 powershell.exe 1644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3788 d8a5317c8c4e740557a01574cfebf71f.exe Token: SeDebugPrivilege 1236 d8a5317c8c4e740557a01574cfebf71f.exe Token: SeDebugPrivilege 1644 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3788 wrote to memory of 1644 3788 d8a5317c8c4e740557a01574cfebf71f.exe 89 PID 3788 wrote to memory of 1644 3788 d8a5317c8c4e740557a01574cfebf71f.exe 89 PID 3788 wrote to memory of 1644 3788 d8a5317c8c4e740557a01574cfebf71f.exe 89 PID 3788 wrote to memory of 2088 3788 d8a5317c8c4e740557a01574cfebf71f.exe 91 PID 3788 wrote to memory of 2088 3788 d8a5317c8c4e740557a01574cfebf71f.exe 91 PID 3788 wrote to memory of 2088 3788 d8a5317c8c4e740557a01574cfebf71f.exe 91 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93 PID 3788 wrote to memory of 1236 3788 d8a5317c8c4e740557a01574cfebf71f.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe"C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oefbENy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1644
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oefbENy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp27C7.tmp"2⤵
- Creates scheduled task(s)
PID:2088
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C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe"C:\Users\Admin\AppData\Local\Temp\d8a5317c8c4e740557a01574cfebf71f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1236
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD55b56d9b86e4027454cd47e5c13506682
SHA1c43745f1a72bc879dc6ffa335e41f416e6bd3bff
SHA2567fbc99891fe2af9639d0fc6d6f377314b14b4924acd16963a79af1e736d5cf63
SHA512d8d9753ecc0e7ee62cc4ac74283848d1161b4e0333dd705fb15290d1757af329671b64bf2d1366963aa20447aa3bc9d122f28ae7da4b0de2e8fad0178205a594