njrat | 9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d

General

Target

9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d.exe
Size

23KB
MD5

f04fc64cbea25002a9bd5ddcd260d06f
SHA1

8af7051594408b726616015bfac42f35017ad227
SHA256

9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d
SHA512

28f28a55307fe71ccd5a131e1fa92fbf0b6b8757bab7442245e93fbf7153c1e83b33ea3bdcd47b1d55da142f713f707d0fd95fa607ab2ed19ab8e2edc7a5ff16
SSDEEP

384:rYmdk8XvCJrQLdRGSiEYF7Y65gPyx6BDXNRmRvR6JZlbw8hqIusZzZGJU:UwWkti/aeRpcnuG

Score

10^/10

njrat vectim's ahmed evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Vectim's ahmed

C2

jihed2013.zapto.org:1177

Mutex

e10d37000e740cdb48fa883045c507b4

Attributes

reg_key
e10d37000e740cdb48fa883045c507b4
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4008	internet.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
320	netsh.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e10d37000e740cdb48fa883045c507b4.exe	internet.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e10d37000e740cdb48fa883045c507b4.exe	internet.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e10d37000e740cdb48fa883045c507b4 = "\"C:\\Users\\Admin\\AppData\\Roaming\\internet.exe\" .."	internet.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e10d37000e740cdb48fa883045c507b4 = "\"C:\\Users\\Admin\\AppData\\Roaming\\internet.exe\" .."	internet.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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe
Token: 33	4008	internet.exe
Token: SeIncBasePriorityPrivilege	4008	internet.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 4008	1376	9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d.exe	79
PID 1376 wrote to memory of 4008	1376	9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d.exe	79
PID 1376 wrote to memory of 4008	1376	9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d.exe	79
PID 4008 wrote to memory of 320	4008	internet.exe	80
PID 4008 wrote to memory of 320	4008	internet.exe	80
PID 4008 wrote to memory of 320	4008	internet.exe	80

C:\Users\Admin\AppData\Local\Temp\9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d.exe
"C:\Users\Admin\AppData\Local\Temp\9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Roaming\internet.exe
  "C:\Users\Admin\AppData\Roaming\internet.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4008
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\internet.exe" "internet.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\internet.exe

Filesize
23KB

MD5
f04fc64cbea25002a9bd5ddcd260d06f

SHA1
8af7051594408b726616015bfac42f35017ad227

SHA256
9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d

SHA512
28f28a55307fe71ccd5a131e1fa92fbf0b6b8757bab7442245e93fbf7153c1e83b33ea3bdcd47b1d55da142f713f707d0fd95fa607ab2ed19ab8e2edc7a5ff16

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

Filesize
23KB

MD5
f04fc64cbea25002a9bd5ddcd260d06f

SHA1
8af7051594408b726616015bfac42f35017ad227

SHA256
9371308f3514923f9a105edcfe1bce89a1ea3caf4e045ce18f6884cd9820c89d

SHA512
28f28a55307fe71ccd5a131e1fa92fbf0b6b8757bab7442245e93fbf7153c1e83b33ea3bdcd47b1d55da142f713f707d0fd95fa607ab2ed19ab8e2edc7a5ff16

Download Submit
memory/1376-132-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/1376-136-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/4008-137-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/4008-139-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download

Analysis

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