njrat | 1f399125ae166a61b9715467bad99e63466e9d68860f29442479d4dd179577d6

General

Target

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
Size

43KB
MD5

641bf525a313f41f133cd1db2d07da2b
SHA1

2da56f55034be144ba85cc9c83af4f09aa591c9e
SHA256

1f399125ae166a61b9715467bad99e63466e9d68860f29442479d4dd179577d6
SHA512

4921b7ebc833558546b382d8c904628b25176f4580cbc38f4eb4271722f63486dfea56da5b5645b3c18f8893ef552c87309802ae6ccb17dda181ccad329fb5cb
SSDEEP

384:+ZybZIBK0lwZmoy7xir6ikuEhxiDUaXzoIij+ZsNO3PlpJKkkjh/TzF7pWnB/grq:Es0tGol786b4DDuXQ/oc/+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

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

Processes:

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

pashat.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	pashat.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	pashat.exe

Executes dropped EXE 4 IoCs

Processes:

pashat.exeServer.exeServer.exeServer.exe

pid process

1888 pashat.exe
3320 Server.exe
3696 Server.exe
1064 Server.exe

pid	process
1888	pashat.exe
3320	Server.exe
3696	Server.exe
1064	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

pashat.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\pashat.exe\" .."	pashat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\pashat.exe\" .."	pashat.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3836 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exepashat.exe

pid process

2588 641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
1888 pashat.exe

pid	process
3836	schtasks.exe

pid	process
2588	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
1888	pashat.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

pashat.exe

description	pid	process
Token: SeDebugPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe
Token: 33	1888	pashat.exe
Token: SeIncBasePriorityPrivilege	1888	pashat.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exepashat.exe

description	pid	process	target process
PID 2588 wrote to memory of 1888	2588	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe	pashat.exe
PID 2588 wrote to memory of 1888	2588	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe	pashat.exe
PID 2588 wrote to memory of 1888	2588	641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe	pashat.exe
PID 1888 wrote to memory of 3836	1888	pashat.exe	schtasks.exe
PID 1888 wrote to memory of 3836	1888	pashat.exe	schtasks.exe
PID 1888 wrote to memory of 3836	1888	pashat.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\641bf525a313f41f133cd1db2d07da2b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2588

C:\Users\Admin\AppData\Local\Temp\pashat.exe
"C:\Users\Admin\AppData\Local\Temp\pashat.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
3⤵
- Creates scheduled task(s)
PID:3836

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:3320

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:3696

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:1064

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

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

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log
Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\pashat.exe
Filesize
43KB

MD5
641bf525a313f41f133cd1db2d07da2b

SHA1
2da56f55034be144ba85cc9c83af4f09aa591c9e

SHA256
1f399125ae166a61b9715467bad99e63466e9d68860f29442479d4dd179577d6

SHA512
4921b7ebc833558546b382d8c904628b25176f4580cbc38f4eb4271722f63486dfea56da5b5645b3c18f8893ef552c87309802ae6ccb17dda181ccad329fb5cb

Download Submit
memory/1888-15-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-28-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-27-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-26-0x0000000004B20000-0x0000000004B2A000-memory.dmp

Filesize
40KB

Download
memory/1888-17-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2588-4-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/2588-16-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2588-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2588-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/2588-3-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/2588-2-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

Filesize
624KB

Download
memory/2588-1-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/3320-22-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3320-23-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/3320-25-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads