b32c861b9f55c433c3d7dbdf3774fa7dff2587fce27164b1370fae788d44762b

Analysis

max time kernel
147s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2022, 10:50

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General

Target
0579e89523399c6a32ad369cfef4a9bc.exe
Size 1.2MB
Sample220929-mw9ngsaed8
SHA256 b32c861b9f55c433c3d7dbdf3774fa7dff2587fce27164b1370fae788d44762b
MD5 0579e89523399c6a32ad369cfef4a9bc
SHA1 45cd4d4b1b1f06605726dfa6ea5e93decc879d90
SHA512 041bc2613db7e0b91440262ad825a5a4c00396d4e1ebd23f306e007a03e082fa07bb1b4888d26531d9fab8d1399e30fbcb3a7cca68919efa09834c0423c00125
SSDEEP 12288:bJ8mfqKtmO62/WJgOPri4BTVUDnJbVWYkJ8mfqKtmO62/WJgOPri4BTVUDnB:bSbKwOziTjUDnJb4SbKwOziTjUDnB
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5104	MoUSO.exe
4104	MoUSO.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	0579e89523399c6a32ad369cfef4a9bc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2276	0579e89523399c6a32ad369cfef4a9bc.exe
2276	0579e89523399c6a32ad369cfef4a9bc.exe
2276	0579e89523399c6a32ad369cfef4a9bc.exe
2276	0579e89523399c6a32ad369cfef4a9bc.exe
5104	MoUSO.exe
5104	MoUSO.exe
5104	MoUSO.exe
5104	MoUSO.exe
5104	MoUSO.exe
5104	MoUSO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	0579e89523399c6a32ad369cfef4a9bc.exe
Token: SeDebugPrivilege	5104	MoUSO.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 2276 wrote to memory of 1868	2276	0579e89523399c6a32ad369cfef4a9bc.exe	91
PID 1868 wrote to memory of 3308	1868	0579e89523399c6a32ad369cfef4a9bc.exe	99
PID 1868 wrote to memory of 3308	1868	0579e89523399c6a32ad369cfef4a9bc.exe	99
PID 1868 wrote to memory of 3308	1868	0579e89523399c6a32ad369cfef4a9bc.exe	99
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4104	5104	MoUSO.exe	103
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104
PID 5104 wrote to memory of 4088	5104	MoUSO.exe	104

C:\Users\Admin\AppData\Local\Temp\0579e89523399c6a32ad369cfef4a9bc.exe
"C:\Users\Admin\AppData\Local\Temp\0579e89523399c6a32ad369cfef4a9bc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\0579e89523399c6a32ad369cfef4a9bc.exe
  "C:\Users\Admin\AppData\Local\Temp\0579e89523399c6a32ad369cfef4a9bc.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN Cache-S-21-2946144819-3e21f723 /TR "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
    3⤵
    - Creates scheduled task(s)
    PID:3308

C:\Users\Admin\AppData\Local\cache\MoUSO.exe
C:\Users\Admin\AppData\Local\cache\MoUSO.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Users\Admin\AppData\Local\cache\MoUSO.exe
  "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
  2⤵
  - Executes dropped EXE
  PID:4104
- C:\Users\Admin\AppData\Local\cache\MoUSO.exe
  "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
  2⤵
  PID:4088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

MoUSO.exe

Path C:\Users\Admin\AppData\Local\cache\MoUSO.exe
Size 1.2MB
SHA256 b32c861b9f55c433c3d7dbdf3774fa7dff2587fce27164b1370fae788d44762b
MD5 0579e89523399c6a32ad369cfef4a9bc
SHA1 45cd4d4b1b1f06605726dfa6ea5e93decc879d90
SHA512 041bc2613db7e0b91440262ad825a5a4c00396d4e1ebd23f306e007a03e082fa07bb1b4888d26531d9fab8d1399e30fbcb3a7cca68919efa09834c0423c00125
SSDEEP 12288:bJ8mfqKtmO62/WJgOPri4BTVUDnJbVWYkJ8mfqKtmO62/WJgOPri4BTVUDnB:bSbKwOziTjUDnJb4SbKwOziTjUDnB
MD5 SHA1 SHA512 SSDEEP

Submit Download

MoUSO.exe

Path C:\Users\Admin\AppData\Local\cache\MoUSO.exe
Size 1.2MB
SHA256 b32c861b9f55c433c3d7dbdf3774fa7dff2587fce27164b1370fae788d44762b
MD5 0579e89523399c6a32ad369cfef4a9bc
SHA1 45cd4d4b1b1f06605726dfa6ea5e93decc879d90
SHA512 041bc2613db7e0b91440262ad825a5a4c00396d4e1ebd23f306e007a03e082fa07bb1b4888d26531d9fab8d1399e30fbcb3a7cca68919efa09834c0423c00125
SSDEEP 12288:bJ8mfqKtmO62/WJgOPri4BTVUDnJbVWYkJ8mfqKtmO62/WJgOPri4BTVUDnB:bSbKwOziTjUDnJb4SbKwOziTjUDnB
MD5 SHA1 SHA512 SSDEEP

Submit Download

MoUSO.exe

Path C:\Users\Admin\AppData\Local\cache\MoUSO.exe
Size 1.2MB
SHA256 b32c861b9f55c433c3d7dbdf3774fa7dff2587fce27164b1370fae788d44762b
MD5 0579e89523399c6a32ad369cfef4a9bc
SHA1 45cd4d4b1b1f06605726dfa6ea5e93decc879d90
SHA512 041bc2613db7e0b91440262ad825a5a4c00396d4e1ebd23f306e007a03e082fa07bb1b4888d26531d9fab8d1399e30fbcb3a7cca68919efa09834c0423c00125
SSDEEP 12288:bJ8mfqKtmO62/WJgOPri4BTVUDnJbVWYkJ8mfqKtmO62/WJgOPri4BTVUDnB:bSbKwOziTjUDnJb4SbKwOziTjUDnB
MD5 SHA1 SHA512 SSDEEP

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memory/1868-140-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/1868-141-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/1868-138-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/1868-139-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/1868-143-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/2276-134-0x0000000006330000-0x00000000068D4000-memory.dmp

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memory/2276-132-0x0000000000E50000-0x0000000000F74000-memory.dmp

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memory/2276-135-0x0000000005F70000-0x0000000006002000-memory.dmp

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memory/2276-136-0x0000000005F60000-0x0000000005F6A000-memory.dmp

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memory/2276-133-0x0000000005240000-0x00000000052DC000-memory.dmp

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memory/5104-146-0x00000000002B0000-0x00000000003D4000-memory.dmp

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