njrat | d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873

General

Target

0e47b5de5fd3f5b101d85f0010df6158.exe
Size

23KB
MD5

0e47b5de5fd3f5b101d85f0010df6158
SHA1

ec4d791a218f09e2d9f5427524f69ee61d801d5c
SHA256

d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873
SHA512

3aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c
SSDEEP

384:OV8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZXm:OG589tXvRpcnu1

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mohamednjrat111.myftp.biz:543

Mutex

7f4a0bf03501ed8ca94b06b3357046ad

Attributes

reg_key
7f4a0bf03501ed8ca94b06b3357046ad
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
1448	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1056	dllhost.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	0e47b5de5fd3f5b101d85f0010df6158.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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\7f4a0bf03501ed8ca94b06b3357046ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dllhost.exe\" .."	dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7f4a0bf03501ed8ca94b06b3357046ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe
Token: 33	1056	dllhost.exe
Token: SeIncBasePriorityPrivilege	1056	dllhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1056	2020	0e47b5de5fd3f5b101d85f0010df6158.exe	27
PID 2020 wrote to memory of 1056	2020	0e47b5de5fd3f5b101d85f0010df6158.exe	27
PID 2020 wrote to memory of 1056	2020	0e47b5de5fd3f5b101d85f0010df6158.exe	27
PID 2020 wrote to memory of 1056	2020	0e47b5de5fd3f5b101d85f0010df6158.exe	27
PID 1056 wrote to memory of 1448	1056	dllhost.exe	28
PID 1056 wrote to memory of 1448	1056	dllhost.exe	28
PID 1056 wrote to memory of 1448	1056	dllhost.exe	28
PID 1056 wrote to memory of 1448	1056	dllhost.exe	28

C:\Users\Admin\AppData\Local\Temp\0e47b5de5fd3f5b101d85f0010df6158.exe
"C:\Users\Admin\AppData\Local\Temp\0e47b5de5fd3f5b101d85f0010df6158.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\dllhost.exe
  "C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dllhost.exe" "dllhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1448

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dllhost.exe

Filesize
23KB

MD5
0e47b5de5fd3f5b101d85f0010df6158

SHA1
ec4d791a218f09e2d9f5427524f69ee61d801d5c

SHA256
d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873

SHA512
3aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c

Download Submit
C:\Users\Admin\AppData\Local\Temp\dllhost.exe

Filesize
23KB

MD5
0e47b5de5fd3f5b101d85f0010df6158

SHA1
ec4d791a218f09e2d9f5427524f69ee61d801d5c

SHA256
d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873

SHA512
3aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c

Download Submit
\Users\Admin\AppData\Local\Temp\dllhost.exe

Filesize
23KB

MD5
0e47b5de5fd3f5b101d85f0010df6158

SHA1
ec4d791a218f09e2d9f5427524f69ee61d801d5c

SHA256
d79a36eca6234e2aafe266a6887135f93fc076f9aca00571a5012884b510c873

SHA512
3aff75ddeeb9f50c8752d36f3c6ea77649e41e9adb9242f9b8ef1df3e0186915ce19fdd471a244ced413a923073fa0633d7b86e11d33d2e92b081efd50cca52c

Download Submit
memory/1056-62-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/1056-63-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/1056-64-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/2020-54-0x0000000000A10000-0x0000000000A50000-memory.dmp

Filesize
256KB

Download

Analysis

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