njrat | db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29

General

Target

db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe
Size

23KB
MD5

efb76358785b32bd6e6c94e60f78686f
SHA1

fc300c53d268c651324840cdacfe9ad55659e143
SHA256

db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29
SHA512

1c046e841b66d2ad9dfb98efb973affafe44ab97c39220d97efe2f0bbd91d345b2f33fa8dd69792ea51af7703fecf7e084033f49243765676deb95d9f1db27cc
SSDEEP

384:CMK6b2GZsx/Yr1+liORH1kcPFQ6Lg9gSOYRr9mRvR6JZlbw8hqIusZzZiql:Nb9glF51LRpcnuNq

Score

10^/10

njrat mrakhaf evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MRAKHAF

C2

isuero.no-ip.info:1990

Mutex

eded8ce0cce4bae66af70ac7c7464702

Attributes

reg_key
eded8ce0cce4bae66af70ac7c7464702
splitter
|'|'|

Signatures

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

Processes:

prosesseur.exe

pid process

4584 prosesseur.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

5068 netsh.exe

pid	process
4584	prosesseur.exe

pid	process
5068	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:

db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe

Drops startup file 2 IoCs

Processes:

prosesseur.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eded8ce0cce4bae66af70ac7c7464702.exe	prosesseur.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eded8ce0cce4bae66af70ac7c7464702.exe	prosesseur.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

prosesseur.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\eded8ce0cce4bae66af70ac7c7464702 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\prosesseur.exe\" .."	prosesseur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\eded8ce0cce4bae66af70ac7c7464702 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\prosesseur.exe\" .."	prosesseur.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 29 IoCs

Processes:

prosesseur.exe

description	pid	process
Token: SeDebugPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe
Token: 33	4584	prosesseur.exe
Token: SeIncBasePriorityPrivilege	4584	prosesseur.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exeprosesseur.exe

description	pid	process	target process
PID 4368 wrote to memory of 4584	4368	db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe	prosesseur.exe
PID 4368 wrote to memory of 4584	4368	db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe	prosesseur.exe
PID 4368 wrote to memory of 4584	4368	db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe	prosesseur.exe
PID 4584 wrote to memory of 5068	4584	prosesseur.exe	netsh.exe
PID 4584 wrote to memory of 5068	4584	prosesseur.exe	netsh.exe
PID 4584 wrote to memory of 5068	4584	prosesseur.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe
"C:\Users\Admin\AppData\Local\Temp\db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4368

C:\Users\Admin\AppData\Local\Temp\prosesseur.exe
"C:\Users\Admin\AppData\Local\Temp\prosesseur.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\prosesseur.exe" "prosesseur.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:5068

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\prosesseur.exe
Filesize
23KB

MD5
efb76358785b32bd6e6c94e60f78686f

SHA1
fc300c53d268c651324840cdacfe9ad55659e143

SHA256
db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29

SHA512
1c046e841b66d2ad9dfb98efb973affafe44ab97c39220d97efe2f0bbd91d345b2f33fa8dd69792ea51af7703fecf7e084033f49243765676deb95d9f1db27cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\prosesseur.exe
Filesize
23KB

MD5
efb76358785b32bd6e6c94e60f78686f

SHA1
fc300c53d268c651324840cdacfe9ad55659e143

SHA256
db45d5a8ea1b0e95568750138a90cd656bb219b1a7bdae5d116588b8a7c7db29

SHA512
1c046e841b66d2ad9dfb98efb973affafe44ab97c39220d97efe2f0bbd91d345b2f33fa8dd69792ea51af7703fecf7e084033f49243765676deb95d9f1db27cc

Download Submit
memory/4368-132-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4368-136-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4584-133-0x0000000000000000-mapping.dmp

Download
memory/4584-137-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4584-138-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/5068-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads