njrat | aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700

General

Target

aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe
Size

23KB
MD5

dce35b0e4769409b8ec1564a216d208d
SHA1

48f8fc9599cc8ae6671099e84e5e8b2ff8af5b3d
SHA256

aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700
SHA512

66b557e11ef9e1cd837d1e8876f0efdc2a8674a5ed8e37c0bcceb5de78f16f6253493afc81cc213aac23f2a36b936e78359065c603e01abd6594623216c22206
SSDEEP

384:dMQ+SAN7uprgvM5OSUswZXg69gbm4hfpFmRvR6JZlbw8hqIusZzZzS:FOaxVULRpcnuh

Score

10^/10

njrat facebook evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

facebook

C2

webhosting.no-ip.biz:1177

Mutex

f80c58c81bb54cc02a5aa1df65019452

Attributes

reg_key
f80c58c81bb54cc02a5aa1df65019452
splitter
|'|'|

Signatures

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

Processes:

win32.exe

pid process

1576 win32.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4396 netsh.exe

pid	process
1576	win32.exe

pid	process
4396	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:

aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe

Drops startup file 2 IoCs

Processes:

win32.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f80c58c81bb54cc02a5aa1df65019452.exe	win32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f80c58c81bb54cc02a5aa1df65019452.exe	win32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

win32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f80c58c81bb54cc02a5aa1df65019452 = "\"C:\\Users\\Admin\\win32.exe\" .."	win32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f80c58c81bb54cc02a5aa1df65019452 = "\"C:\\Users\\Admin\\win32.exe\" .."	win32.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 25 IoCs

Processes:

win32.exe

description	pid	process
Token: SeDebugPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe
Token: 33	1576	win32.exe
Token: SeIncBasePriorityPrivilege	1576	win32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exewin32.exe

description	pid	process	target process
PID 5008 wrote to memory of 1576	5008	aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe	win32.exe
PID 5008 wrote to memory of 1576	5008	aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe	win32.exe
PID 5008 wrote to memory of 1576	5008	aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe	win32.exe
PID 1576 wrote to memory of 4396	1576	win32.exe	netsh.exe
PID 1576 wrote to memory of 4396	1576	win32.exe	netsh.exe
PID 1576 wrote to memory of 4396	1576	win32.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe
"C:\Users\Admin\AppData\Local\Temp\aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5008

C:\Users\Admin\win32.exe
"C:\Users\Admin\win32.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\win32.exe" "win32.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4396

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

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Downloads

C:\Users\Admin\win32.exe

Filesize
23KB

MD5
dce35b0e4769409b8ec1564a216d208d

SHA1
48f8fc9599cc8ae6671099e84e5e8b2ff8af5b3d

SHA256
aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700

SHA512
66b557e11ef9e1cd837d1e8876f0efdc2a8674a5ed8e37c0bcceb5de78f16f6253493afc81cc213aac23f2a36b936e78359065c603e01abd6594623216c22206

Download Submit
C:\Users\Admin\win32.exe

Filesize
23KB

MD5
dce35b0e4769409b8ec1564a216d208d

SHA1
48f8fc9599cc8ae6671099e84e5e8b2ff8af5b3d

SHA256
aeadaa52c390eb0d261e7452e4136fd917e347a9ffd8eee0f71d0b0a5fff3700

SHA512
66b557e11ef9e1cd837d1e8876f0efdc2a8674a5ed8e37c0bcceb5de78f16f6253493afc81cc213aac23f2a36b936e78359065c603e01abd6594623216c22206

Download Submit
memory/1576-133-0x0000000000000000-mapping.dmp

Download
memory/1576-137-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1576-139-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4396-138-0x0000000000000000-mapping.dmp

Download
memory/5008-132-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/5008-136-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads