9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b

Analysis

max time kernel
161s
max time network
202s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 00:37

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General

Target

9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe
Size

361KB
MD5

1982ad95f77f0868f0bb660000c8e316
SHA1

ee70d3f0830e04d7ad8e1b8a50d0164063722946
SHA256

9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b
SHA512

6fe81636ab9a46386579923cdd6d4137a1fdb63f47dcc7e916489462952282b94e5f813a6ba615fdd400b3059f6b8cf0a1716d35660115d110001ce6e8c437e9
SSDEEP

6144:dCipYp24ANqWnzUDs0/VQP0nhFCoa3uc0HWjt7kWwza9J9c6vb/IOCJT1n:dJYJ+gg05802lkWWscn1n

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4820	msnmgr.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8F9025AA-735A-4F86-8EB7-FEAC65FF6E52}	msnmgr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{8F9025AA-735A-4F86-8EB7-FEAC65FF6E52}\StubPath = "C:\\Windows\\SysWOW64\\msnmgr.exe"	msnmgr.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msnmgr = "C:\\Windows\\SysWOW64\\msnmgr.exe"	msnmgr.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msnmgr.exe	9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe
File opened for modification	C:\Windows\SysWOW64\msnmgr.exe	9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 4820	4788	9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe	88
PID 4788 wrote to memory of 4820	4788	9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe	88
PID 4788 wrote to memory of 4820	4788	9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe	88

C:\Users\Admin\AppData\Local\Temp\9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe
"C:\Users\Admin\AppData\Local\Temp\9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\msnmgr.exe
  "C:\Windows\System32\msnmgr.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  PID:4820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\msnmgr.exe

Filesize
361KB

MD5
1982ad95f77f0868f0bb660000c8e316

SHA1
ee70d3f0830e04d7ad8e1b8a50d0164063722946

SHA256
9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b

SHA512
6fe81636ab9a46386579923cdd6d4137a1fdb63f47dcc7e916489462952282b94e5f813a6ba615fdd400b3059f6b8cf0a1716d35660115d110001ce6e8c437e9

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C:\Windows\SysWOW64\msnmgr.exe

Filesize
361KB

MD5
1982ad95f77f0868f0bb660000c8e316

SHA1
ee70d3f0830e04d7ad8e1b8a50d0164063722946

SHA256
9dca07d73d082e9aeb8083c5cdf5586f6ebab4191b9145d9fa4adb4a87c8d76b

SHA512
6fe81636ab9a46386579923cdd6d4137a1fdb63f47dcc7e916489462952282b94e5f813a6ba615fdd400b3059f6b8cf0a1716d35660115d110001ce6e8c437e9

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads