c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a

General

Target

c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a.exe
Size

44KB
MD5

783dc0e2b5b4331cfc481dd793f40866
SHA1

5eb77a2579dde7f4f4a28db1d72249a3ddb3219b
SHA256

c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a
SHA512

ef528c12d385f342b0283e4c32613131b868eae6d524d66001898fc6ae71de37aa05bde502107a844bf975d18cdaaef8d881452369291ee4f3462fb86b8d958b
SSDEEP

768:woomk8UvjSbePeaMnoTB8I/wp30kyKH/60BQg9tPoLqS6dtOA:Om/UFex1B1S96

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1136	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
5008	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a.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-1-5-21-2629973501-4017243118-3254762364-1000\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 31 IoCs

pid	Process
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe
1136	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 1136	3916	c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a.exe	81
PID 3916 wrote to memory of 1136	3916	c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a.exe	81
PID 3916 wrote to memory of 1136	3916	c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a.exe	81
PID 1136 wrote to memory of 5008	1136	Trojan.exe	80
PID 1136 wrote to memory of 5008	1136	Trojan.exe	80
PID 1136 wrote to memory of 5008	1136	Trojan.exe	80

C:\Users\Admin\AppData\Local\Temp\c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a.exe
"C:\Users\Admin\AppData\Local\Temp\c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3916
- 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:1136

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
1⤵
- Modifies Windows Firewall
PID:5008

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
44KB

MD5
783dc0e2b5b4331cfc481dd793f40866

SHA1
5eb77a2579dde7f4f4a28db1d72249a3ddb3219b

SHA256
c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a

SHA512
ef528c12d385f342b0283e4c32613131b868eae6d524d66001898fc6ae71de37aa05bde502107a844bf975d18cdaaef8d881452369291ee4f3462fb86b8d958b

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

Filesize
44KB

MD5
783dc0e2b5b4331cfc481dd793f40866

SHA1
5eb77a2579dde7f4f4a28db1d72249a3ddb3219b

SHA256
c8def94fdb3f5a3fc5cf7f44835f3e33a82404f2f9407763296842112740e74a

SHA512
ef528c12d385f342b0283e4c32613131b868eae6d524d66001898fc6ae71de37aa05bde502107a844bf975d18cdaaef8d881452369291ee4f3462fb86b8d958b

Download Submit
memory/1136-133-0x0000000000000000-mapping.dmp

Download
memory/1136-138-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1136-139-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3916-132-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3916-136-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/5008-137-0x0000000000000000-mapping.dmp

Download

Analysis

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