njrat | 62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4

General

Target

62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4.exe
Size

29KB
MD5

b293c34c4df6b7567124976285d46765
SHA1

0d582233200777ddef915fc6247f3b80e96c83e2
SHA256

62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4
SHA512

72f8903ee970b55332341a264097a4542fafd7ca59d82f4ad1f2ef15cd8010c469b2458aa59652b25a464f470cb1d713c2047e95c7d33a3dfc5394d3b0a693b4
SSDEEP

384:gx8EBl7Bvgk4Xe0exn5RhVNaemqDq9xrefTGBsbh0w4wlAokw9OhgOL1vYRGOZzu:gN7Kk4XePlFzsq+xre6BKh0p29SgRJo

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

kamaly.myq-see.com:1177

Mutex

36d7a02fbca41f608c4baf27f6374668

Attributes

reg_key
36d7a02fbca41f608c4baf27f6374668
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
5040	firefox.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4124	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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\36d7a02fbca41f608c4baf27f6374668 = "\"C:\\Users\\Admin\\AppData\\Roaming\\firefox.exe\" .."	firefox.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\36d7a02fbca41f608c4baf27f6374668 = "\"C:\\Users\\Admin\\AppData\\Roaming\\firefox.exe\" .."	firefox.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 27 IoCs

pid	Process
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe
5040	firefox.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5040	firefox.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 5040	924	62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4.exe	79
PID 924 wrote to memory of 5040	924	62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4.exe	79
PID 924 wrote to memory of 5040	924	62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4.exe	79
PID 5040 wrote to memory of 4124	5040	firefox.exe	80
PID 5040 wrote to memory of 4124	5040	firefox.exe	80
PID 5040 wrote to memory of 4124	5040	firefox.exe	80

C:\Users\Admin\AppData\Local\Temp\62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4.exe
"C:\Users\Admin\AppData\Local\Temp\62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:924
- C:\Users\Admin\AppData\Roaming\firefox.exe
  "C:\Users\Admin\AppData\Roaming\firefox.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5040
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\firefox.exe" "firefox.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4124

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\Roaming\firefox.exe

Filesize
29KB

MD5
b293c34c4df6b7567124976285d46765

SHA1
0d582233200777ddef915fc6247f3b80e96c83e2

SHA256
62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4

SHA512
72f8903ee970b55332341a264097a4542fafd7ca59d82f4ad1f2ef15cd8010c469b2458aa59652b25a464f470cb1d713c2047e95c7d33a3dfc5394d3b0a693b4

Download Submit
C:\Users\Admin\AppData\Roaming\firefox.exe

Filesize
29KB

MD5
b293c34c4df6b7567124976285d46765

SHA1
0d582233200777ddef915fc6247f3b80e96c83e2

SHA256
62c4df631a57d58d85da1ec220c415e0837882624455c8665dcf03b596d3aed4

SHA512
72f8903ee970b55332341a264097a4542fafd7ca59d82f4ad1f2ef15cd8010c469b2458aa59652b25a464f470cb1d713c2047e95c7d33a3dfc5394d3b0a693b4

Download Submit
memory/924-132-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/924-133-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/924-137-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/5040-139-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/5040-140-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download

Analysis

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