njrat | 1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703

General

Target

1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe
Size

111KB
MD5

2703252dba3070e2816f24bc3079a224
SHA1

98313a6ddd52ce75c931036c8c58fa70514a5663
SHA256

1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703
SHA512

eea1d9d41f2d0219fea0be613d9652755ac3602b1c4743c7708f0845bb5c842ed18a8bc5ea2a445e38f606ccb174963e15865ab6f160c9c1912ead6cfd8d6c1a
SSDEEP

1536:xbC830RWuvjpHiQzAygMrer647sejE5xxN/55OvksxbRkPMXuKtzqnaQi98Wqkpw:FC8k0n0AIZ47iSw6rlw

Score

10^/10

njrat zom evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ZOM

C2

satanhoks666.no-ip.biz:666

Mutex

89d1821afe5aca4fd6ec386f735c5634

Attributes

reg_key
89d1821afe5aca4fd6ec386f735c5634
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

3636 svchost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3820 netsh.exe

pid	process
3636	svchost.exe

pid	process
3820	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

Processes:

1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\89d1821afe5aca4fd6ec386f735c5634.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\89d1821afe5aca4fd6ec386f735c5634.exe	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\89d1821afe5aca4fd6ec386f735c5634 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\89d1821afe5aca4fd6ec386f735c5634 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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 AdjustPrivilegeToken 27 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe
Token: 33	3636	svchost.exe
Token: SeIncBasePriorityPrivilege	3636	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exesvchost.exe

description	pid	process	target process
PID 3692 wrote to memory of 3636	3692	1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe	svchost.exe
PID 3692 wrote to memory of 3636	3692	1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe	svchost.exe
PID 3692 wrote to memory of 3636	3692	1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe	svchost.exe
PID 3636 wrote to memory of 3820	3636	svchost.exe	netsh.exe
PID 3636 wrote to memory of 3820	3636	svchost.exe	netsh.exe
PID 3636 wrote to memory of 3820	3636	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe
"C:\Users\Admin\AppData\Local\Temp\1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3692

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3636

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3820

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
111KB

MD5
2703252dba3070e2816f24bc3079a224

SHA1
98313a6ddd52ce75c931036c8c58fa70514a5663

SHA256
1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703

SHA512
eea1d9d41f2d0219fea0be613d9652755ac3602b1c4743c7708f0845bb5c842ed18a8bc5ea2a445e38f606ccb174963e15865ab6f160c9c1912ead6cfd8d6c1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
111KB

MD5
2703252dba3070e2816f24bc3079a224

SHA1
98313a6ddd52ce75c931036c8c58fa70514a5663

SHA256
1d9c36c9efbc84bdd291d06d426ebcbb6561dfd769e131d7fb037c3042cc9703

SHA512
eea1d9d41f2d0219fea0be613d9652755ac3602b1c4743c7708f0845bb5c842ed18a8bc5ea2a445e38f606ccb174963e15865ab6f160c9c1912ead6cfd8d6c1a

Download Submit
memory/3636-133-0x0000000000000000-mapping.dmp

Download
memory/3636-137-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3636-139-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3692-132-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3692-136-0x0000000074E20000-0x00000000753D1000-memory.dmp

Filesize
5.7MB

Download
memory/3820-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads