Analysis
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max time kernel
117s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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 5 IoCs
resource yara_rule behavioral1/memory/1616-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1616-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1616-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1616-75-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1616-77-0x0000000000400000-0x0000000000426000-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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2568 set thread context of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 -
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 2988 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2568 d8a5317c8c4e740557a01574cfebf71f.exe 2568 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 2788 powershell.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe 1616 d8a5317c8c4e740557a01574cfebf71f.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2568 d8a5317c8c4e740557a01574cfebf71f.exe Token: SeDebugPrivilege 1616 d8a5317c8c4e740557a01574cfebf71f.exe Token: SeDebugPrivilege 2788 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2568 wrote to memory of 2788 2568 d8a5317c8c4e740557a01574cfebf71f.exe 30 PID 2568 wrote to memory of 2788 2568 d8a5317c8c4e740557a01574cfebf71f.exe 30 PID 2568 wrote to memory of 2788 2568 d8a5317c8c4e740557a01574cfebf71f.exe 30 PID 2568 wrote to memory of 2788 2568 d8a5317c8c4e740557a01574cfebf71f.exe 30 PID 2568 wrote to memory of 2988 2568 d8a5317c8c4e740557a01574cfebf71f.exe 32 PID 2568 wrote to memory of 2988 2568 d8a5317c8c4e740557a01574cfebf71f.exe 32 PID 2568 wrote to memory of 2988 2568 d8a5317c8c4e740557a01574cfebf71f.exe 32 PID 2568 wrote to memory of 2988 2568 d8a5317c8c4e740557a01574cfebf71f.exe 32 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34 PID 2568 wrote to memory of 1616 2568 d8a5317c8c4e740557a01574cfebf71f.exe 34
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:2568 -
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:2788
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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\tmp5CD0.tmp"2⤵
- Creates scheduled task(s)
PID:2988
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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:1616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5a09c26b52d208d4978e25e7ab911ce31
SHA126b2d98b4b87b6b22de634899bb1214fb0c02375
SHA256f6878e7213ad770c458a2eee72c0e09082d2a2338fc5abb5c1d70b8ef8271fae
SHA512f2163f2202b2aa1500700bfc3de1d33f5b4db164d89049bc655ff604098a83e387b8d164ff4fd29af7fada99dc3498f14a3061ad2e5f0bf09774a38194eaa9ec