njrat | 0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360

General

Target

0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe
Size

752KB
MD5

9e6499f5082ed6f9111385c46b1d9ba4
SHA1

8f8c4979a3da04c7747554677936c219653f139f
SHA256

0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360
SHA512

d4a3e875262b4edc5ae7d5bc038d2bb720f37aaa209144a0f5f1088f068bd51050e18ad4acda1daa2a903109d2308bd395b9bc8db40c292351d23f5f3afa71dc
SSDEEP

12288:zOGZcZxHMr1OaQzfa9dXJvKaoPRvYrySWx8Zwfi53QH/Wuo+0GMqM7Ffb5:zOGZiE1OJr6XJvKnZvaWxC3Mzo+nNe

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

umang.chickenkiller.com:553

Mutex

0353c9dc7f300a6eea7548de1eb123a5

Attributes

reg_key
0353c9dc7f300a6eea7548de1eb123a5
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

winlogon.exewinlogon.exe

pid process

1804 winlogon.exe
1388 winlogon.exe

pid	process
1804	winlogon.exe
1388	winlogon.exe

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

Processes:

0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exewinlogon.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	winlogon.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	winlogon.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

winlogon.exe

description pid process target process

PID 1792 set thread context of 1388 1792 winlogon.exe winlogon.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1792 set thread context of 1388	1792	winlogon.exe	winlogon.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exewinlogon.exe

pid	process
4664	0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe
4664	0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe
1792	winlogon.exe
1792	winlogon.exe
1792	winlogon.exe
1792	winlogon.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe

pid process

4664 0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exewinlogon.exe

description	pid	process
Token: SeDebugPrivilege	4664	0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe
Token: SeDebugPrivilege	1792	winlogon.exe
Token: SeDebugPrivilege	1792	winlogon.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exewinlogon.exe

description	pid	process	target process
PID 4664 wrote to memory of 1792	4664	0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe	winlogon.exe
PID 4664 wrote to memory of 1792	4664	0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe	winlogon.exe
PID 4664 wrote to memory of 1792	4664	0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe	winlogon.exe
PID 1792 wrote to memory of 1804	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1804	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1804	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe
PID 1792 wrote to memory of 1388	1792	winlogon.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe
"C:\Users\Admin\AppData\Local\Temp\0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4664

C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
"C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792

C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
"C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
3⤵
- Executes dropped EXE
PID:1804

C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
"C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
3⤵
- Executes dropped EXE
PID:1388

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
4⤵
PID:4164

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
576KB

MD5
a76bfb6731003a7f90b561e2cd97b43e

SHA1
bcc492d2177e8812303db2a568cead47085dc5a9

SHA256
81561c324d7cdc1f70198aad7d043cf331eb23819bfbce33cff3b40ada2a996c

SHA512
af31923de5048850627fc8fe678c05668fc1bc5ec6cd9a5b45bc1ed67e5fc785f14dcf1569383f105796789fbf6c69040b3d263c069fdd7b7add2bb3a3b4ded1

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
Filesize
752KB

MD5
9e6499f5082ed6f9111385c46b1d9ba4

SHA1
8f8c4979a3da04c7747554677936c219653f139f

SHA256
0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360

SHA512
d4a3e875262b4edc5ae7d5bc038d2bb720f37aaa209144a0f5f1088f068bd51050e18ad4acda1daa2a903109d2308bd395b9bc8db40c292351d23f5f3afa71dc

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
Filesize
752KB

MD5
9e6499f5082ed6f9111385c46b1d9ba4

SHA1
8f8c4979a3da04c7747554677936c219653f139f

SHA256
0758802cb74e0411ae04d92413b2ef480be06d6c11992f9cad30f8285b1de360

SHA512
d4a3e875262b4edc5ae7d5bc038d2bb720f37aaa209144a0f5f1088f068bd51050e18ad4acda1daa2a903109d2308bd395b9bc8db40c292351d23f5f3afa71dc

Download Submit
memory/1388-138-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1388-137-0x0000000000000000-mapping.dmp

Download
memory/1388-139-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1388-140-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1388-143-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1388-145-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1792-135-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1792-144-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1792-133-0x0000000000000000-mapping.dmp

Download
memory/4164-146-0x0000000000000000-mapping.dmp

Download
memory/4664-132-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4664-134-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads