njrat | cb721eeebde355b68ec90050889b2427b67150b08f89e790328505f13d7956c3

General

Target

1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe
Size

210KB
MD5

1d436a4cc5e5cfb02d87dea4ff79e4b0
SHA1

40f5564c91050fa44ea31d87b4bedca80638d1d8
SHA256

cb721eeebde355b68ec90050889b2427b67150b08f89e790328505f13d7956c3
SHA512

57359b96e319460c03a41754238a4f3904978f12686a474ef0b5c4ec4bcfc9a05874f201799306232a6057c3429e82fef8bb0aa383e4f624bd6b288b98026b84
SSDEEP

1536:yj6wz8pFu0dcxccjc9Gye5gLO9vEWWG5nukXegDkHEBxhcV91BdqcXpgfKiNZK1p:y7V77qSeoVUl7106LwdiB

Score

10^/10

njrat victim persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

victim

C2

shooey.ddns.net:5353

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:

1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

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

Executes dropped EXE 3 IoCs

Processes:

svchost.exeServer.exeServer.exe

pid process

376 svchost.exe
3804 Server.exe
4780 Server.exe

pid	process
376	svchost.exe
3804	Server.exe
4780	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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

4664 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exesvchost.exe

pid process

216 1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe
376 svchost.exe

pid	process
4664	schtasks.exe

pid	process
216	1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe
376	svchost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe
Token: 33	376	svchost.exe
Token: SeIncBasePriorityPrivilege	376	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exesvchost.exe

description	pid	process	target process
PID 216 wrote to memory of 376	216	1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe	svchost.exe
PID 216 wrote to memory of 376	216	1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe	svchost.exe
PID 216 wrote to memory of 376	216	1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe	svchost.exe
PID 376 wrote to memory of 4664	376	svchost.exe	schtasks.exe
PID 376 wrote to memory of 4664	376	svchost.exe	schtasks.exe
PID 376 wrote to memory of 4664	376	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1d436a4cc5e5cfb02d87dea4ff79e4b0_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:216

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.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:376

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:4664

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:3804

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:4780

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
706B

MD5
2d90411ca2e4d7ef408e783585795907

SHA1
fb22747c207d8cdea79b181361004416c5a8fd10

SHA256
aba1796b97761c6801df3fd42f47e207bb4e2c355444140adcb196ed464f8a31

SHA512
c3a3fb4b59e09e62d8e77ebd2d0471d9d5b9cf46f28f2e4aa21ace7faf37dd6c0e99b17c5d1dac2394e41268d3d3b788aafe275e33ff6c268858c99e22c4ce00

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
210KB

MD5
1d436a4cc5e5cfb02d87dea4ff79e4b0

SHA1
40f5564c91050fa44ea31d87b4bedca80638d1d8

SHA256
cb721eeebde355b68ec90050889b2427b67150b08f89e790328505f13d7956c3

SHA512
57359b96e319460c03a41754238a4f3904978f12686a474ef0b5c4ec4bcfc9a05874f201799306232a6057c3429e82fef8bb0aa383e4f624bd6b288b98026b84

Download Submit
memory/216-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/216-1-0x0000000000A80000-0x0000000000ABA000-memory.dmp

Filesize
232KB

Download
memory/216-4-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/216-5-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/216-6-0x0000000005880000-0x0000000005912000-memory.dmp

Filesize
584KB

Download
memory/216-2-0x0000000005420000-0x00000000054BC000-memory.dmp

Filesize
624KB

Download
memory/216-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/216-3-0x0000000002D70000-0x0000000002D82000-memory.dmp

Filesize
72KB

Download
memory/376-20-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/376-24-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/376-23-0x0000000005C90000-0x0000000005C9A000-memory.dmp

Filesize
40KB

Download
memory/3804-27-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3804-28-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3804-30-0x0000000074FF0000-0x00000000757A0000-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