Analysis
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max time kernel
136s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
26-03-2022 21:36
Static task
static1
Behavioral task
behavioral1
Sample
b5197c3bf67da872ba9d0b7366367c45790c4d5cc7be8b8109acee8d7f1152d8.dll
Resource
win7-20220311-en
General
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Target
b5197c3bf67da872ba9d0b7366367c45790c4d5cc7be8b8109acee8d7f1152d8.dll
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Size
3.7MB
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MD5
8ae60d14802fac0d5d8ddf4ab4e64cfd
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SHA1
f8023b26304a891897b57c10a1d0bdec4f9c0d6a
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SHA256
b5197c3bf67da872ba9d0b7366367c45790c4d5cc7be8b8109acee8d7f1152d8
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SHA512
1201a79794c7e50c3ed09c917a323bd43146a4b7c9884ccc522ab8d89abb2c893ad1f2ea683acdfa724793da764c62673a7809a95feec6c8e05a4e055e06b677
Malware Config
Extracted
danabot
1732
3
104.227.34.227:443
64.188.20.187:443
51.195.73.129:443
176.123.2.249:443
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embedded_hash
6266E79288DFE2AE2C2DB47563C7F93A
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type
main
Signatures
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Blocklisted process makes network request 4 IoCs
Processes:
RUNDLL32.EXEflow pid process 13 1656 RUNDLL32.EXE 19 1656 RUNDLL32.EXE 20 1656 RUNDLL32.EXE 21 1656 RUNDLL32.EXE -
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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exeRUNDLL32.EXEdescription pid process Token: SeDebugPrivilege 820 rundll32.exe Token: SeDebugPrivilege 1656 RUNDLL32.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 548 wrote to memory of 820 548 rundll32.exe rundll32.exe PID 548 wrote to memory of 820 548 rundll32.exe rundll32.exe PID 548 wrote to memory of 820 548 rundll32.exe rundll32.exe PID 820 wrote to memory of 1656 820 rundll32.exe RUNDLL32.EXE PID 820 wrote to memory of 1656 820 rundll32.exe RUNDLL32.EXE PID 820 wrote to memory of 1656 820 rundll32.exe RUNDLL32.EXE
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b5197c3bf67da872ba9d0b7366367c45790c4d5cc7be8b8109acee8d7f1152d8.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b5197c3bf67da872ba9d0b7366367c45790c4d5cc7be8b8109acee8d7f1152d8.dll,#12⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\b5197c3bf67da872ba9d0b7366367c45790c4d5cc7be8b8109acee8d7f1152d8.dll,EwsIfDamA5g=3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/820-130-0x0000000000000000-mapping.dmp
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memory/820-131-0x0000000003220000-0x0000000003880000-memory.dmpFilesize
6.4MB
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memory/820-135-0x0000000003220000-0x0000000003880000-memory.dmpFilesize
6.4MB
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memory/1656-134-0x0000000000000000-mapping.dmp
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memory/1656-136-0x0000000002D10000-0x0000000003370000-memory.dmpFilesize
6.4MB
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memory/1656-139-0x0000000002D10000-0x0000000003370000-memory.dmpFilesize
6.4MB