Analysis
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max time kernel
123s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
13-10-2021 11:15
Static task
static1
Behavioral task
behavioral1
Sample
a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe
Resource
win7-en-20210920
General
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Target
a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe
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Size
311KB
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MD5
0050729426253655c88625a8ad93d7a2
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SHA1
a8ea376bc26eba3ff32e72cb2bf43cccfa1c87d7
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SHA256
a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a
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SHA512
1947c78aba1933c3da2eed125d760bf7c4b3bf75a113139a22db0d2f1e1e3e8b4640c0330b5220712275884567daf9548467a96747fb550fc8cb24dfc989d37c
Malware Config
Signatures
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Arkei Stealer Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1268-55-0x0000000000220000-0x0000000000239000-memory.dmp family_arkei behavioral1/memory/1268-56-0x0000000000400000-0x00000000016C0000-memory.dmp family_arkei -
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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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 632 1268 WerFault.exe a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 632 WerFault.exe 632 WerFault.exe 632 WerFault.exe 632 WerFault.exe 632 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 632 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 632 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exedescription pid process target process PID 1268 wrote to memory of 632 1268 a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe WerFault.exe PID 1268 wrote to memory of 632 1268 a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe WerFault.exe PID 1268 wrote to memory of 632 1268 a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe WerFault.exe PID 1268 wrote to memory of 632 1268 a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe"C:\Users\Admin\AppData\Local\Temp\a9dea10c6d4d205faab1ac8db69384e9c3dc91fd5a718266957e4e164f76cd4a.bin.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 6682⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/632-57-0x0000000000000000-mapping.dmp
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memory/632-58-0x0000000000430000-0x0000000000431000-memory.dmpFilesize
4KB
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memory/1268-53-0x000000000187B000-0x000000000188C000-memory.dmpFilesize
68KB
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memory/1268-54-0x00000000755A1000-0x00000000755A3000-memory.dmpFilesize
8KB
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memory/1268-55-0x0000000000220000-0x0000000000239000-memory.dmpFilesize
100KB
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memory/1268-56-0x0000000000400000-0x00000000016C0000-memory.dmpFilesize
18MB