njrat | a54a3ca8ce01f7e9855d4d47d35bc82520ebd8d16a77df24e398b220d86d445d

General

Target

c4cfbb0106571122d1cc4364513e7803.exe
Size

596KB
MD5

c4cfbb0106571122d1cc4364513e7803
SHA1

1a3a7b1357ed56b0183d03ee4b859659cc68f986
SHA256

a54a3ca8ce01f7e9855d4d47d35bc82520ebd8d16a77df24e398b220d86d445d
SHA512

36a13d91a28d051fbf7c611d3c6ef7014ee8bcddc2ce5bca72f094f70bd0dbfb99a50025455203f0fabb60c61afc89aabf2e41f70aac5349372a146500eaefaa
SSDEEP

12288:ugZXEAO/BUdG3gVdt7KT4OIC4J84wHM5Qiu62PJr+ymhm:ugZXoZUTVdt7KTxoSs5QhCymhm

Score

10^/10

njrat hacked trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

2.tcp.eu.ngrok.io:19328

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Checks computer location settings 2 TTPs 2 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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	c4cfbb0106571122d1cc4364513e7803.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	mrx.exe

Executes dropped EXE 2 IoCs

pid	Process
3540	mrx.exe
4268	mrx.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3540	mrx.exe
4268	mrx.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe
Token: 33	4268	mrx.exe
Token: SeIncBasePriorityPrivilege	4268	mrx.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 3540	2076	c4cfbb0106571122d1cc4364513e7803.exe	82
PID 2076 wrote to memory of 3540	2076	c4cfbb0106571122d1cc4364513e7803.exe	82
PID 2076 wrote to memory of 3540	2076	c4cfbb0106571122d1cc4364513e7803.exe	82
PID 3540 wrote to memory of 4268	3540	mrx.exe	88
PID 3540 wrote to memory of 4268	3540	mrx.exe	88
PID 3540 wrote to memory of 4268	3540	mrx.exe	88

C:\Users\Admin\AppData\Local\Temp\c4cfbb0106571122d1cc4364513e7803.exe
"C:\Users\Admin\AppData\Local\Temp\c4cfbb0106571122d1cc4364513e7803.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\mrx.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\mrx.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:3540
- - C:\Users\Admin\AppData\Local\Temp\mrx.exe
    "C:\Users\Admin\AppData\Local\Temp\mrx.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\mrx.exe.log

Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\mrx.exe

Filesize
43KB

MD5
7bc43f36b07c8b1de174daf7f4ead29b

SHA1
700a9e8e4a8a0cd8f7b3b1c58ebf5e47dfa7ec31

SHA256
c28550985ad9088407d8149d7d37155c97f10a461581c8a570bb082436596aff

SHA512
54169b096eb83782316ea605c391ee70c00099292fdecffff72656989f9eb0ed2d5448f4eb0374d3426c5c7e1d964d2634cd46beedd70aebf7417c28bcdefe8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\mrx.exe

Filesize
43KB

MD5
7bc43f36b07c8b1de174daf7f4ead29b

SHA1
700a9e8e4a8a0cd8f7b3b1c58ebf5e47dfa7ec31

SHA256
c28550985ad9088407d8149d7d37155c97f10a461581c8a570bb082436596aff

SHA512
54169b096eb83782316ea605c391ee70c00099292fdecffff72656989f9eb0ed2d5448f4eb0374d3426c5c7e1d964d2634cd46beedd70aebf7417c28bcdefe8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\mrx.exe

Filesize
43KB

MD5
7bc43f36b07c8b1de174daf7f4ead29b

SHA1
700a9e8e4a8a0cd8f7b3b1c58ebf5e47dfa7ec31

SHA256
c28550985ad9088407d8149d7d37155c97f10a461581c8a570bb082436596aff

SHA512
54169b096eb83782316ea605c391ee70c00099292fdecffff72656989f9eb0ed2d5448f4eb0374d3426c5c7e1d964d2634cd46beedd70aebf7417c28bcdefe8a

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

Filesize
43KB

MD5
7bc43f36b07c8b1de174daf7f4ead29b

SHA1
700a9e8e4a8a0cd8f7b3b1c58ebf5e47dfa7ec31

SHA256
c28550985ad9088407d8149d7d37155c97f10a461581c8a570bb082436596aff

SHA512
54169b096eb83782316ea605c391ee70c00099292fdecffff72656989f9eb0ed2d5448f4eb0374d3426c5c7e1d964d2634cd46beedd70aebf7417c28bcdefe8a

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

Filesize
43KB

MD5
7bc43f36b07c8b1de174daf7f4ead29b

SHA1
700a9e8e4a8a0cd8f7b3b1c58ebf5e47dfa7ec31

SHA256
c28550985ad9088407d8149d7d37155c97f10a461581c8a570bb082436596aff

SHA512
54169b096eb83782316ea605c391ee70c00099292fdecffff72656989f9eb0ed2d5448f4eb0374d3426c5c7e1d964d2634cd46beedd70aebf7417c28bcdefe8a

Download Submit
memory/3540-149-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

Filesize
64KB

Download
memory/3540-148-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

Filesize
64KB

Download
memory/3540-147-0x0000000004F20000-0x0000000004FB2000-memory.dmp

Filesize
584KB

Download
memory/3540-146-0x00000000053C0000-0x0000000005964000-memory.dmp

Filesize
5.6MB

Download
memory/3540-145-0x0000000004B30000-0x0000000004BCC000-memory.dmp

Filesize
624KB

Download
memory/3540-144-0x0000000000160000-0x0000000000172000-memory.dmp

Filesize
72KB

Download
memory/4268-160-0x0000000004B10000-0x0000000004B20000-memory.dmp

Filesize
64KB

Download
memory/4268-161-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/4268-162-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/4268-163-0x0000000004B10000-0x0000000004B20000-memory.dmp

Filesize
64KB

Download

Analysis

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