njrat | 3ad32746894dc3406c5a2b9bd3627c75e56887d2b92f0100e883d1cadbdad57b

General

Target

24710356d2b88a67d0107cddc467cdc9.exe
Size

26KB
MD5

24710356d2b88a67d0107cddc467cdc9
SHA1

4e6f3384adfccf76198d00a03987781e3524105b
SHA256

3ad32746894dc3406c5a2b9bd3627c75e56887d2b92f0100e883d1cadbdad57b
SHA512

7abcc225cf02827801744d98f05816e0dd18602cbe567a6acb74ac9d49893a9eecbc67504847f24be6c62008c8482f72b3bb63eb0e694fb638d67e0df4c43e76
SSDEEP

384:r1LaRuc+oYiKJ0pjRB7Puth5M6ve1jCKsuatydbZN8Cr9131ctP1um7M84Sr6es8:rV+4foR6W1AJtIb4iEPg

Score

10^/10

njrat trojan

Malware Config

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	24710356d2b88a67d0107cddc467cdc9.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.lnk	24710356d2b88a67d0107cddc467cdc9.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.lnk	sihost.exe

Executes dropped EXE 1 IoCs

pid	Process
4904	sihost.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe
Token: 33	4904	sihost.exe
Token: SeIncBasePriorityPrivilege	4904	sihost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4904	3176	24710356d2b88a67d0107cddc467cdc9.exe	94
PID 3176 wrote to memory of 4904	3176	24710356d2b88a67d0107cddc467cdc9.exe	94
PID 3176 wrote to memory of 4904	3176	24710356d2b88a67d0107cddc467cdc9.exe	94
PID 3176 wrote to memory of 3696	3176	24710356d2b88a67d0107cddc467cdc9.exe	95
PID 3176 wrote to memory of 3696	3176	24710356d2b88a67d0107cddc467cdc9.exe	95
PID 3176 wrote to memory of 3696	3176	24710356d2b88a67d0107cddc467cdc9.exe	95

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
3696	attrib.exe

C:\Users\Admin\AppData\Local\Temp\24710356d2b88a67d0107cddc467cdc9.exe
"C:\Users\Admin\AppData\Local\Temp\24710356d2b88a67d0107cddc467cdc9.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Users\Admin\AppData\Roaming\sihost.exe
  "C:\Users\Admin\AppData\Roaming\sihost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4904
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\sihost.exe"
  2⤵
  - Views/modifies file attributes
  PID:3696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.lnk

Filesize
1KB

MD5
508a237605dfae8e1a3542015ad10336

SHA1
97a1df7577526c6f7294558258328cfa013563ac

SHA256
4349e7126a1e6ff205d9bc8dc65262ce60bd1f376292b1f660e4c26c64596a75

SHA512
42ccd46ce8f672ff7185e27fa813fe257e4b9b000717165cbd329979ad98144a6ad9fdbf5d903992e94b741b9e20369a258405699c518c914a95a6fc5183b3ac

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\.lnk

Filesize
1020B

MD5
405f13712e7504f837e4594b4cfb8e92

SHA1
da176c45f57e123b76a0bb730ada862492a8cf82

SHA256
0d73ba4a7dff41d64d8524e487216e33025325f231949ee04597ee75a589e2a6

SHA512
f65ba065c52f5753166512c2c1b0c6fb55f012f6cd168b97362ce8db781dcc04a425df92c398521b7840368e421bd01671667e7f64678699d05f6bc20dcf0ad0

Download Submit
C:\Users\Admin\AppData\Roaming\sihost.exe

Filesize
26KB

MD5
24710356d2b88a67d0107cddc467cdc9

SHA1
4e6f3384adfccf76198d00a03987781e3524105b

SHA256
3ad32746894dc3406c5a2b9bd3627c75e56887d2b92f0100e883d1cadbdad57b

SHA512
7abcc225cf02827801744d98f05816e0dd18602cbe567a6acb74ac9d49893a9eecbc67504847f24be6c62008c8482f72b3bb63eb0e694fb638d67e0df4c43e76

Download Submit
C:\Users\Admin\AppData\Roaming\sihost.exe

Filesize
26KB

MD5
24710356d2b88a67d0107cddc467cdc9

SHA1
4e6f3384adfccf76198d00a03987781e3524105b

SHA256
3ad32746894dc3406c5a2b9bd3627c75e56887d2b92f0100e883d1cadbdad57b

SHA512
7abcc225cf02827801744d98f05816e0dd18602cbe567a6acb74ac9d49893a9eecbc67504847f24be6c62008c8482f72b3bb63eb0e694fb638d67e0df4c43e76

Download Submit
C:\Users\Admin\AppData\Roaming\sihost.exe

Filesize
26KB

MD5
24710356d2b88a67d0107cddc467cdc9

SHA1
4e6f3384adfccf76198d00a03987781e3524105b

SHA256
3ad32746894dc3406c5a2b9bd3627c75e56887d2b92f0100e883d1cadbdad57b

SHA512
7abcc225cf02827801744d98f05816e0dd18602cbe567a6acb74ac9d49893a9eecbc67504847f24be6c62008c8482f72b3bb63eb0e694fb638d67e0df4c43e76

Download Submit
memory/3176-133-0x0000000001590000-0x00000000015A0000-memory.dmp

Filesize
64KB

Download
memory/3176-141-0x0000000001590000-0x00000000015A0000-memory.dmp

Filesize
64KB

Download
memory/4904-150-0x0000000000FD0000-0x0000000000FE0000-memory.dmp

Filesize
64KB

Download
memory/4904-151-0x0000000000FD0000-0x0000000000FE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads