Analysis
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max time kernel
128s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
03-07-2022 03:54
Static task
static1
Behavioral task
behavioral1
Sample
3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe
Resource
win7-20220414-en
General
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Target
3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe
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Size
1.0MB
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MD5
0430cba35d87de27d643d6e7583b1f8a
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SHA1
dd860a2adcdd147d85d395ae0df32213118a40ea
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SHA256
3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746
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SHA512
6d512b25b91a6a24d0eb6e16ca5a51a06181c77ea23f90870b26bce4f59166f0ccb933969806ba6eed9ecb365310776f60326a13a1e6cee4f8b74b9ab9824fe8
Malware Config
Signatures
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NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4068-133-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/4068-134-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/3836-136-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/3836-137-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3836-139-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3836-140-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 7 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4068-133-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/4068-134-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/2940-142-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/2940-143-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2940-145-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2940-146-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2940-148-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 11 IoCs
Processes:
resource yara_rule behavioral2/memory/4068-133-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/4068-134-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/3836-136-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3836-137-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3836-139-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3836-140-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2940-142-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/2940-143-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2940-145-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2940-146-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2940-148-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 1 IoCs
Processes:
tmjBp.exepid process 4324 tmjBp.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
tmjBp.exedescription ioc process File opened (read-only) \??\z: tmjBp.exe File opened (read-only) \??\k: tmjBp.exe File opened (read-only) \??\l: tmjBp.exe File opened (read-only) \??\n: tmjBp.exe File opened (read-only) \??\r: tmjBp.exe File opened (read-only) \??\s: tmjBp.exe File opened (read-only) \??\b: tmjBp.exe File opened (read-only) \??\o: tmjBp.exe File opened (read-only) \??\q: tmjBp.exe File opened (read-only) \??\y: tmjBp.exe File opened (read-only) \??\x: tmjBp.exe File opened (read-only) \??\f: tmjBp.exe File opened (read-only) \??\g: tmjBp.exe File opened (read-only) \??\t: tmjBp.exe File opened (read-only) \??\u: tmjBp.exe File opened (read-only) \??\w: tmjBp.exe File opened (read-only) \??\m: tmjBp.exe File opened (read-only) \??\p: tmjBp.exe File opened (read-only) \??\v: tmjBp.exe File opened (read-only) \??\a: tmjBp.exe File opened (read-only) \??\e: tmjBp.exe File opened (read-only) \??\h: tmjBp.exe File opened (read-only) \??\i: tmjBp.exe File opened (read-only) \??\j: tmjBp.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 12 whatismyipaddress.com 14 whatismyipaddress.com -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule C:\Users\Admin\mLy62Uv\tmjBp.exe autoit_exe C:\Users\Admin\mLy62Uv\tmjBp.exe autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
tmjBp.exeRegSvcs.exedescription pid process target process PID 4324 set thread context of 4068 4324 tmjBp.exe RegSvcs.exe PID 4068 set thread context of 3836 4068 RegSvcs.exe vbc.exe PID 4068 set thread context of 2940 4068 RegSvcs.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
tmjBp.exeRegSvcs.exevbc.exepid process 4324 tmjBp.exe 4324 tmjBp.exe 4068 RegSvcs.exe 2940 vbc.exe 2940 vbc.exe 4068 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 4068 RegSvcs.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exetmjBp.exeRegSvcs.exedescription pid process target process PID 4608 wrote to memory of 4324 4608 3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe tmjBp.exe PID 4608 wrote to memory of 4324 4608 3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe tmjBp.exe PID 4608 wrote to memory of 4324 4608 3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe tmjBp.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4324 wrote to memory of 4068 4324 tmjBp.exe RegSvcs.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 3836 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe PID 4068 wrote to memory of 2940 4068 RegSvcs.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe"C:\Users\Admin\AppData\Local\Temp\3d33eeeee5c2c440509fe4d19b9a59c2e4a718339c500283a78f62b777a45746.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\mLy62Uv\tmjBp.exe"C:\Users\Admin\mLy62Uv\tmjBp.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"4⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"4⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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C:\Users\Admin\mLy62Uv\tmjBp.exeFilesize
1.3MB
MD523cfc4dd51a10cfc19c3e26d135e5f3f
SHA1c64c03fb635c7d243d4c4ad2d1dbf23f5871b037
SHA256a2a378c8984d2a3527c0622aad17e98b26154c8b07f146069b9137286cc1d206
SHA5120841ef1ed71bef927cbd5e1fa035c444ecb1ebc76009e6d51b506aeb1655e1e4744767afeafc44a210ca1b8f3a3ad82b63e386d72fd603773ca95a66856b392d
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C:\Users\Admin\mLy62Uv\tmjBp.exeFilesize
1.3MB
MD523cfc4dd51a10cfc19c3e26d135e5f3f
SHA1c64c03fb635c7d243d4c4ad2d1dbf23f5871b037
SHA256a2a378c8984d2a3527c0622aad17e98b26154c8b07f146069b9137286cc1d206
SHA5120841ef1ed71bef927cbd5e1fa035c444ecb1ebc76009e6d51b506aeb1655e1e4744767afeafc44a210ca1b8f3a3ad82b63e386d72fd603773ca95a66856b392d
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memory/2940-142-0x0000000000000000-mapping.dmp
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memory/2940-148-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2940-146-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2940-145-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2940-143-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3836-139-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3836-140-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3836-137-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3836-136-0x0000000000000000-mapping.dmp
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memory/4068-141-0x0000000074AA0000-0x0000000075051000-memory.dmpFilesize
5.7MB
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memory/4068-135-0x0000000074AA0000-0x0000000075051000-memory.dmpFilesize
5.7MB
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memory/4068-134-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/4068-133-0x0000000000000000-mapping.dmp
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memory/4324-130-0x0000000000000000-mapping.dmp