c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2

Analysis

max time kernel
181s
max time network
128s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 05:42

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General

Target

c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe
Size

264KB
MD5

ec6e8bcdb09693d1b3e1ebf903167d53
SHA1

04c01d906cd17b76eee88823974891dd85d22836
SHA256

c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2
SHA512

d2b8715de945fa9dbdd5be89fa1d367c9dcc0eab6bfe595ad118aaf50d8e8827a4091c541675b2e1a5c7176afa927cce62d1267e1f0e4718c67c961bc6342396
SSDEEP

6144:oGIqBgwIPbDxXB7y1IFYj0hsEcHxGdAy13Uf84:TBg9j/TsEcHcdAC3Uf84

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
108	ndduser.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\RUM2RThCQ0RCMDk2OTNEMU = "C:\\Users\\Admin\\ndduser.exe"	ndduser.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	ndduser.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	ndduser.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe
108	ndduser.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1476	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe
Token: SeDebugPrivilege	108	ndduser.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 108	1476	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe	28
PID 1476 wrote to memory of 108	1476	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe	28
PID 1476 wrote to memory of 108	1476	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe	28
PID 1476 wrote to memory of 108	1476	c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe	28

C:\Users\Admin\AppData\Local\Temp\c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe
"C:\Users\Admin\AppData\Local\Temp\c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\ndduser.exe
  "C:\Users\Admin\ndduser.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:108

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:\Users\Admin\ndduser.exe

Filesize
264KB

MD5
ec6e8bcdb09693d1b3e1ebf903167d53

SHA1
04c01d906cd17b76eee88823974891dd85d22836

SHA256
c2c81e8a3d07ffa15b4f66bbfdf248198b6e6d5147d5f1cc756faba4156a9fc2

SHA512
d2b8715de945fa9dbdd5be89fa1d367c9dcc0eab6bfe595ad118aaf50d8e8827a4091c541675b2e1a5c7176afa927cce62d1267e1f0e4718c67c961bc6342396

Download Submit
memory/108-61-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/108-62-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1476-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1476-55-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1476-56-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1476-60-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download