njrat | c9b7158b61aa85faaa40ba6188ed612783963f2d67ca61117dd81af3861140de

General

Target

JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
Size

96KB
MD5

628d18521ab38530da03c31f80c3ddc9
SHA1

a13468e507598364bb4727725c0f5788ea371ac3
SHA256

c9b7158b61aa85faaa40ba6188ed612783963f2d67ca61117dd81af3861140de
SHA512

08cd9e38da1fceadb42720e287713670d789e12ed517b30ca67c8749ac19553533ad25e22d685f349b7976ac15f3a9f3f57d8b79261e319eb83f625b4004283a
SSDEEP

1536:zHv/gtmQdQWbDt7/xAF8ewaP6/f3I1+EKxtqErD2:z3gtmQdFt/xAhwaPof3IYztD2

Score

10^/10

njrat mmb_im discovery trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MMB_IM

C2

crazy0love.no-ip.info:2222

Mutex

4bee2ac1f11bbf1039ce1d58d3fa0ae7

Attributes

reg_key
4bee2ac1f11bbf1039ce1d58d3fa0ae7
splitter
|'|'|

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1868	Updata Windows.exe
2860	Updata Windows.exe

Loads dropped DLL 2 IoCs

pid	Process
2608	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
1868	Updata Windows.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 752 set thread context of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 1868 set thread context of 2860	1868	Updata Windows.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Updata Windows.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
Token: SeDebugPrivilege	1868	Updata Windows.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 752 wrote to memory of 2608	752	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	31
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	32
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	32
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	32
PID 2608 wrote to memory of 1868	2608	JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe	32
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33
PID 1868 wrote to memory of 2860	1868	Updata Windows.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_628d18521ab38530da03c31f80c3ddc9.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Users\Admin\AppData\Local\Temp\Updata Windows.exe
    "C:\Users\Admin\AppData\Local\Temp\Updata Windows.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1868
  - - C:\Users\Admin\AppData\Local\Temp\Updata Windows.exe
      "C:\Users\Admin\AppData\Local\Temp\Updata Windows.exe"
      4⤵
      Executes dropped EXE
      PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\Updata Windows.exe

Filesize
96KB

MD5
628d18521ab38530da03c31f80c3ddc9

SHA1
a13468e507598364bb4727725c0f5788ea371ac3

SHA256
c9b7158b61aa85faaa40ba6188ed612783963f2d67ca61117dd81af3861140de

SHA512
08cd9e38da1fceadb42720e287713670d789e12ed517b30ca67c8749ac19553533ad25e22d685f349b7976ac15f3a9f3f57d8b79261e319eb83f625b4004283a

Download Submit
memory/752-8-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/752-2-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/752-0-0x0000000074A31000-0x0000000074A32000-memory.dmp

Filesize
4KB

Download
memory/752-1-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/1868-18-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/1868-23-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2608-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2608-9-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2608-10-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download
memory/2608-19-0x0000000074A30000-0x0000000074FDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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