njrat | ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0

General

Target

ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0.exe
Size

37KB
MD5

c0d376fd24dff8ad62ec240fb4ed799c
SHA1

e86cfbd87617719055efcc1e3233566ed376d113
SHA256

ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0
SHA512

0ab54abf4c98154cd4b7a4206d144b51b47bf21e7b955888184737194152a97e71283f89e57efa4f327fddd91c2eff466e4b2fec92fc1a267ba27e18b06c9b2c
SSDEEP

384:/LAlqiU154NLHdayszHtyPpzsobO75rAF+rMRTyN/0L+EcoinblneHQM3epzXoNX:k/ZdJszHtyxVOtrM+rMRa8NuGrt

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

cart-updates.at.ply.gg:27239

Mutex

3e2a5fa61c82d0b7ac3bb07c4edb1f56

Attributes

reg_key
3e2a5fa61c82d0b7ac3bb07c4edb1f56
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3880	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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3e2a5fa61c82d0b7ac3bb07c4edb1f56.exe	dllhost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3e2a5fa61c82d0b7ac3bb07c4edb1f56.exe	dllhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	dllhost.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3e2a5fa61c82d0b7ac3bb07c4edb1f56 = "\"C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe\" .."	dllhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3e2a5fa61c82d0b7ac3bb07c4edb1f56 = "\"C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe\" .."	dllhost.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe
Token: 33	2616	dllhost.exe
Token: SeIncBasePriorityPrivilege	2616	dllhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 2616	4160	ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0.exe	89
PID 4160 wrote to memory of 2616	4160	ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0.exe	89
PID 4160 wrote to memory of 2616	4160	ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0.exe	89
PID 2616 wrote to memory of 3880	2616	dllhost.exe	92
PID 2616 wrote to memory of 3880	2616	dllhost.exe	92
PID 2616 wrote to memory of 3880	2616	dllhost.exe	92

C:\Users\Admin\AppData\Local\Temp\ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0.exe
"C:\Users\Admin\AppData\Local\Temp\ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Users\Admin\AppData\Roaming\dllhost.exe
  "C:\Users\Admin\AppData\Roaming\dllhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\dllhost.exe" "dllhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3880

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\dllhost.exe

Filesize
37KB

MD5
c0d376fd24dff8ad62ec240fb4ed799c

SHA1
e86cfbd87617719055efcc1e3233566ed376d113

SHA256
ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0

SHA512
0ab54abf4c98154cd4b7a4206d144b51b47bf21e7b955888184737194152a97e71283f89e57efa4f327fddd91c2eff466e4b2fec92fc1a267ba27e18b06c9b2c

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

Filesize
37KB

MD5
c0d376fd24dff8ad62ec240fb4ed799c

SHA1
e86cfbd87617719055efcc1e3233566ed376d113

SHA256
ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0

SHA512
0ab54abf4c98154cd4b7a4206d144b51b47bf21e7b955888184737194152a97e71283f89e57efa4f327fddd91c2eff466e4b2fec92fc1a267ba27e18b06c9b2c

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

Filesize
37KB

MD5
c0d376fd24dff8ad62ec240fb4ed799c

SHA1
e86cfbd87617719055efcc1e3233566ed376d113

SHA256
ee382b41b912dbac4a0a63cef54b27caa0c69d0bd754ee33039fc6d7f13399e0

SHA512
0ab54abf4c98154cd4b7a4206d144b51b47bf21e7b955888184737194152a97e71283f89e57efa4f327fddd91c2eff466e4b2fec92fc1a267ba27e18b06c9b2c

Download Submit
memory/2616-143-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2616-145-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/4160-133-0x0000000001270000-0x0000000001280000-memory.dmp

Filesize
64KB

Download

Analysis

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