njrat | 355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27

General

Target

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
Size

343KB
MD5

829b2b6919baa284646f6372f850f7c0
SHA1

57344af11aedf0e879858bf2b8ee5be513a53885
SHA256

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27
SHA512

dd32163c54da57860a572dae8b4ed1515f8fb892fb92a16c843c928e8604c4dadda772567711dfb23d152649f7849f48c61a0c0687aea587a531f04fb079c53f
SSDEEP

1536:7nMNT2n3G+P9bITfLe5zlhgNkeLe/amg1fgZ1Qvn2GGZvFL6iho1b+nIHIkQExbM:oFo2+P9bITqR+b+4vB+n34Xryp98C3

Score

10^/10

njrat hacker trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

hacker

C2

127.0.0.1:1177

Mutex

ba4c12bee3027d94da5c81db2d196bfd

Attributes

reg_key
ba4c12bee3027d94da5c81db2d196bfd
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2392 svchost.exe

pid	process
2392	svchost.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

Processes:

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

description	pid	process	target process
PID 1056 set thread context of 1072	1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

Drops file in Windows directory 3 IoCs

Processes:

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
File created	C:\Windows\assembly\Desktop.ini	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exesvchost.exe

pid	process
1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
2392	svchost.exe
2392	svchost.exe
2392	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
Token: SeDebugPrivilege	2392	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exesvchost.exe

description	pid	process	target process
PID 1056 wrote to memory of 1072	1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
PID 1056 wrote to memory of 1072	1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
PID 1056 wrote to memory of 1072	1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
PID 1056 wrote to memory of 1072	1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
PID 1056 wrote to memory of 1072	1056	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
PID 1072 wrote to memory of 2392	1072	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	svchost.exe
PID 1072 wrote to memory of 2392	1072	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	svchost.exe
PID 1072 wrote to memory of 2392	1072	355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe	svchost.exe
PID 2392 wrote to memory of 4700	2392	svchost.exe	svchost.exe
PID 2392 wrote to memory of 4700	2392	svchost.exe	svchost.exe
PID 2392 wrote to memory of 4700	2392	svchost.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
"C:\Users\Admin\AppData\Local\Temp\355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056

C:\Users\Admin\AppData\Local\Temp\355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
C:\Users\Admin\AppData\Local\Temp\355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1072

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
4⤵
PID:4700

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Microsoft\CLR_v2.0_32\UsageLogs\355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27.exe.log
Filesize
319B

MD5
824ba7b7eed8b900a98dd25129c4cd83

SHA1
54478770b2158000ef365591d42977cb854453a1

SHA256
d182dd648c92e41cd62dccc65f130c07f0a96c03b32f907c3d1218e9aa5bda03

SHA512
ae4f3a9673711ecb6cc5d06874c587341d5094803923b53b6e982278fa64549d7acf866de165e23750facd55da556b6794c0d32f129f4087529c73acd4ffb11e

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
343KB

MD5
829b2b6919baa284646f6372f850f7c0

SHA1
57344af11aedf0e879858bf2b8ee5be513a53885

SHA256
355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27

SHA512
dd32163c54da57860a572dae8b4ed1515f8fb892fb92a16c843c928e8604c4dadda772567711dfb23d152649f7849f48c61a0c0687aea587a531f04fb079c53f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
343KB

MD5
829b2b6919baa284646f6372f850f7c0

SHA1
57344af11aedf0e879858bf2b8ee5be513a53885

SHA256
355675ea1cb2e1cc43308f07d47b71d3452365130fc3cbc9b796a7878f356e27

SHA512
dd32163c54da57860a572dae8b4ed1515f8fb892fb92a16c843c928e8604c4dadda772567711dfb23d152649f7849f48c61a0c0687aea587a531f04fb079c53f

Download Submit
memory/1056-132-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/1056-142-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-133-0x0000000000000000-mapping.dmp

Download
memory/1072-134-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1072-138-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2392-135-0x0000000000000000-mapping.dmp

Download
memory/2392-139-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2392-143-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4700-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads