njrat | 39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec

Analysis

max time kernel
207s
max time network
221s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 08:41

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General

Target

39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe
Size

29KB
MD5

21dfeafc97d010ac6621bce05fec35a2
SHA1

153628124344521d76a63464ae00165e7749007a
SHA256

39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec
SHA512

099ce2105c184faef54b4d6860c394b00eff8cbb4453d41ac8d96fa38157da4c97d9eb5597529d3548c5d257efac69a5fd6671f386dc27d22417b011a8d1fc0e
SSDEEP

768:vQv/27NYsDkfZPoIqlHepBKh0p29SgRF2:4m7N143wEKhG29jF2

Score

10^/10

njrat shemo trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

shemo

shemo.no-ip.org:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Processes:

Trojan.exe

pid process

1972 Trojan.exe

pid	process
1972	Trojan.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:

39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.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 WriteProcessMemory 3 IoCs

Processes:

39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe

description	pid	process	target process
PID 4268 wrote to memory of 1972	4268	39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe	Trojan.exe
PID 4268 wrote to memory of 1972	4268	39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe	Trojan.exe
PID 4268 wrote to memory of 1972	4268	39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe	Trojan.exe

C:\Users\Admin\AppData\Local\Temp\39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe
"C:\Users\Admin\AppData\Local\Temp\39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  PID:1972

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
21dfeafc97d010ac6621bce05fec35a2

SHA1
153628124344521d76a63464ae00165e7749007a

SHA256
39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec

SHA512
099ce2105c184faef54b4d6860c394b00eff8cbb4453d41ac8d96fa38157da4c97d9eb5597529d3548c5d257efac69a5fd6671f386dc27d22417b011a8d1fc0e

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

Filesize
29KB

MD5
21dfeafc97d010ac6621bce05fec35a2

SHA1
153628124344521d76a63464ae00165e7749007a

SHA256
39678e8a69e720df9139d2474d78add7f464610ceabfd17b49518427107ab8ec

SHA512
099ce2105c184faef54b4d6860c394b00eff8cbb4453d41ac8d96fa38157da4c97d9eb5597529d3548c5d257efac69a5fd6671f386dc27d22417b011a8d1fc0e

Download Submit
memory/1972-134-0x0000000000000000-mapping.dmp

Download
memory/1972-137-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/1972-139-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4268-133-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4268-138-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download