Analysis
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max time kernel
142s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 19:07
Static task
static1
Behavioral task
behavioral1
Sample
05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe
Resource
win10v2004-20240226-en
General
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Target
05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe
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Size
276KB
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MD5
86956574d8364f5e6062a23189458eb2
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SHA1
9d0cd1bb0b618ffe9076e7ad5e607ea88abe85b0
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SHA256
05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f
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SHA512
d206d519fe82cd025f0ace27759c6e99559187f7bd84dd61eadf06b0acf6f3ed6b289f650c163debe9afc38ec62cad51479c4b2e3ab3a0ab71132c5557064305
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SSDEEP
6144:9g4e6XnYIZxmt5DmvpVYNB/nOCFDfuOTJ6I2vCoCe:a4XnYeuNN5J2OTLoCe
Malware Config
Extracted
xehook
https://unotree.ru/
https://aiwhcpoaw.ru/
Signatures
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Detect Xehook Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/4820-0-0x0000000000500000-0x0000000000549000-memory.dmp family_xehook behavioral1/memory/3552-1-0x0000000000400000-0x000000000041C000-memory.dmp family_xehook behavioral1/memory/4820-2-0x0000000000500000-0x0000000000549000-memory.dmp family_xehook -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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.
Processes:
flow ioc 40 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exedescription pid process target process PID 4820 set thread context of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
RegAsm.exepid process 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe 3552 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 3552 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exedescription pid process target process PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe PID 4820 wrote to memory of 3552 4820 05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe"C:\Users\Admin\AppData\Local\Temp\05bfbb0886bf381e6a4b2875e928aedf6abe197884d9a64ad7137f6016ed5c9f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3552-1-0x0000000000400000-0x000000000041C000-memory.dmpFilesize
112KB
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memory/3552-3-0x0000000074AC0000-0x0000000075270000-memory.dmpFilesize
7.7MB
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memory/3552-4-0x0000000005540000-0x0000000005AE4000-memory.dmpFilesize
5.6MB
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memory/3552-5-0x00000000052D0000-0x00000000052E0000-memory.dmpFilesize
64KB
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memory/3552-6-0x0000000074AC0000-0x0000000075270000-memory.dmpFilesize
7.7MB
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memory/3552-7-0x00000000061F0000-0x0000000006256000-memory.dmpFilesize
408KB
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memory/3552-8-0x0000000006970000-0x0000000006A02000-memory.dmpFilesize
584KB
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memory/3552-13-0x0000000074AC0000-0x0000000075270000-memory.dmpFilesize
7.7MB
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memory/4820-0-0x0000000000500000-0x0000000000549000-memory.dmpFilesize
292KB
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memory/4820-2-0x0000000000500000-0x0000000000549000-memory.dmpFilesize
292KB