Analysis
-
max time kernel
219s -
max time network
252s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 08:39
Static task
static1
Behavioral task
behavioral1
Sample
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe
Resource
win7-20221111-en
General
-
Target
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe
-
Size
1.6MB
-
MD5
4cf57fa727908098c71016a2625227fe
-
SHA1
90eb16626af1b2702ff2dcf917d3cf420c16371d
-
SHA256
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26
-
SHA512
5a1f050038b760fff2825eaa27fe8ba11afd4310c7e3ec3bb7a9b47d7d323f434ebbb886ea575c8712ee7ff1d96c267390f187b7ac24083fe05acc08c711f50e
-
SSDEEP
49152:LcUgV2tQKD3ZxVhojQczd+kIsu7k71LlRRpb6:vtprfosczdfuU1Lzb
Malware Config
Signatures
-
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
-
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
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 62 whatismyipaddress.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exedescription pid process target process PID 216 set thread context of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 5088 set thread context of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 set thread context of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exevbc.exevbc.exedescription pid process Token: SeDebugPrivilege 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe Token: SeDebugPrivilege 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe Token: SeDebugPrivilege 3384 vbc.exe Token: SeDebugPrivilege 4660 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exepid process 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exedescription pid process target process PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 216 wrote to memory of 5088 216 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 3384 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe PID 5088 wrote to memory of 4660 5088 4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe vbc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"C:\Users\Admin\AppData\Local\Temp\4307c2f0803cfdc58e213c964646dbc2cfa965a52fa3814f36344b1236aa7f26.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\holdermail.txtFilesize
327B
MD51265c5140a2f68b05b92aa1a25a2abb6
SHA1627a660e9d2a41c8c4a662ca44fdb68a1356bc82
SHA256694bae0c1ebf6f8eeb8d902b1bfad57ed9a42dea6d3e327a0137a1c9f4f0c6b9
SHA512ad6a1dd57ec84459f28926d07e25f2c4f49dc67ff95b8400e85c3bcb8eccc471dbac5e2b1a2758fb563866ecacc2fae4657dfb85197fb4cd2547eef334b8a216
-
memory/216-138-0x0000000074CE0000-0x0000000075291000-memory.dmpFilesize
5.7MB
-
memory/216-133-0x0000000074CE0000-0x0000000075291000-memory.dmpFilesize
5.7MB
-
memory/216-132-0x0000000074CE0000-0x0000000075291000-memory.dmpFilesize
5.7MB
-
memory/3384-144-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/3384-141-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/3384-142-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/3384-139-0x0000000000000000-mapping.dmp
-
memory/3384-140-0x0000000000400000-0x000000000048E000-memory.dmpFilesize
568KB
-
memory/4660-146-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
-
memory/4660-145-0x0000000000000000-mapping.dmp
-
memory/4660-147-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
-
memory/4660-148-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
-
memory/4660-149-0x0000000000400000-0x000000000048B000-memory.dmpFilesize
556KB
-
memory/5088-136-0x0000000074CE0000-0x0000000075291000-memory.dmpFilesize
5.7MB
-
memory/5088-135-0x0000000000400000-0x0000000000522000-memory.dmpFilesize
1.1MB
-
memory/5088-134-0x0000000000000000-mapping.dmp
-
memory/5088-137-0x0000000074CE0000-0x0000000075291000-memory.dmpFilesize
5.7MB