21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7

General

Target

21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7.exe
Size

129KB
MD5

9f6f1df5451ef01f7266a090af4a7817
SHA1

0cd330975c208303423a49c6002afffbb2aa49c0
SHA256

21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7
SHA512

6d88aee4b1b4f21e5fa17316a83a5cf92228c2a4067bdd17c199711837161a44c971ff55fd44b952730fc47fc9064b8a5c1d61adb1f851bc35e83acb322fda39
SSDEEP

3072:pR46Yppf9OWiC4+oLi8YW313b/cB8yL1V3mTI2IOGjJmgDpvP2s4rjP:pR46Yppf9OWiC4+oLiqcmyCTI2IOGdpC

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3888	netsh.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	21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Adds Run key to start application 2 TTPs 2 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\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe
2724	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 2724	1844	21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7.exe	88
PID 1844 wrote to memory of 2724	1844	21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7.exe	88
PID 1844 wrote to memory of 2724	1844	21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7.exe	88
PID 2724 wrote to memory of 3888	2724	Trojan.exe	89
PID 2724 wrote to memory of 3888	2724	Trojan.exe	89
PID 2724 wrote to memory of 3888	2724	Trojan.exe	89

C:\Users\Admin\AppData\Local\Temp\21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7.exe
"C:\Users\Admin\AppData\Local\Temp\21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
129KB

MD5
9f6f1df5451ef01f7266a090af4a7817

SHA1
0cd330975c208303423a49c6002afffbb2aa49c0

SHA256
21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7

SHA512
6d88aee4b1b4f21e5fa17316a83a5cf92228c2a4067bdd17c199711837161a44c971ff55fd44b952730fc47fc9064b8a5c1d61adb1f851bc35e83acb322fda39

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
129KB

MD5
9f6f1df5451ef01f7266a090af4a7817

SHA1
0cd330975c208303423a49c6002afffbb2aa49c0

SHA256
21883cc1039330f2ae1b3c61f288b9f7525bd17418c91c852e5cf4549364c6f7

SHA512
6d88aee4b1b4f21e5fa17316a83a5cf92228c2a4067bdd17c199711837161a44c971ff55fd44b952730fc47fc9064b8a5c1d61adb1f851bc35e83acb322fda39

Download Submit
memory/1844-132-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download
memory/1844-133-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download
memory/1844-138-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download
memory/2724-139-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download
memory/2724-140-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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