njrat | 798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa

General

Target

798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe
Size

23KB
MD5

7fc8280df342ffd91ecf6b111b82704e
SHA1

d3ead92ef2d3a928d1d17df20dbc045bd12b623a
SHA256

798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa
SHA512

9a26bd5f031170ba2384420f719e8982e9643b1b453e81a623f16a8da6f7f608c7bed647c8a7e6dcfb5f4bc6b6ebf7b37995d67dd502dc8e032ae99b2ce07ad6
SSDEEP

384:GluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZmz:pOmhtIiRpcnub

Score

10^/10

njrat victime evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Victime

C2

adelkabyle.no-ip.biz:1177

Mutex

8765804f05506e2bf20cdfeb9d11a4c1

Attributes

reg_key
8765804f05506e2bf20cdfeb9d11a4c1
splitter
|'|'|

Signatures

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

Processes:

taskeng.exe

pid process

4428 taskeng.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2616 netsh.exe

pid	process
4428	taskeng.exe

pid	process
2616	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

Processes:

798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe

Drops startup file 2 IoCs

Processes:

taskeng.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8765804f05506e2bf20cdfeb9d11a4c1.exe	taskeng.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8765804f05506e2bf20cdfeb9d11a4c1.exe	taskeng.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

taskeng.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8765804f05506e2bf20cdfeb9d11a4c1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskeng.exe\" .."	taskeng.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8765804f05506e2bf20cdfeb9d11a4c1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskeng.exe\" .."	taskeng.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 13 IoCs

Processes:

taskeng.exe

description	pid	process
Token: SeDebugPrivilege	4428	taskeng.exe
Token: 33	4428	taskeng.exe
Token: SeIncBasePriorityPrivilege	4428	taskeng.exe
Token: 33	4428	taskeng.exe
Token: SeIncBasePriorityPrivilege	4428	taskeng.exe
Token: 33	4428	taskeng.exe
Token: SeIncBasePriorityPrivilege	4428	taskeng.exe
Token: 33	4428	taskeng.exe
Token: SeIncBasePriorityPrivilege	4428	taskeng.exe
Token: 33	4428	taskeng.exe
Token: SeIncBasePriorityPrivilege	4428	taskeng.exe
Token: 33	4428	taskeng.exe
Token: SeIncBasePriorityPrivilege	4428	taskeng.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exetaskeng.exe

description	pid	process	target process
PID 3468 wrote to memory of 4428	3468	798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe	taskeng.exe
PID 3468 wrote to memory of 4428	3468	798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe	taskeng.exe
PID 3468 wrote to memory of 4428	3468	798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe	taskeng.exe
PID 4428 wrote to memory of 2616	4428	taskeng.exe	netsh.exe
PID 4428 wrote to memory of 2616	4428	taskeng.exe	netsh.exe
PID 4428 wrote to memory of 2616	4428	taskeng.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe
"C:\Users\Admin\AppData\Local\Temp\798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3468

C:\Users\Admin\AppData\Roaming\taskeng.exe
"C:\Users\Admin\AppData\Roaming\taskeng.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4428

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\taskeng.exe" "taskeng.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2616

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\taskeng.exe
Filesize
23KB

MD5
7fc8280df342ffd91ecf6b111b82704e

SHA1
d3ead92ef2d3a928d1d17df20dbc045bd12b623a

SHA256
798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa

SHA512
9a26bd5f031170ba2384420f719e8982e9643b1b453e81a623f16a8da6f7f608c7bed647c8a7e6dcfb5f4bc6b6ebf7b37995d67dd502dc8e032ae99b2ce07ad6

Download Submit
C:\Users\Admin\AppData\Roaming\taskeng.exe
Filesize
23KB

MD5
7fc8280df342ffd91ecf6b111b82704e

SHA1
d3ead92ef2d3a928d1d17df20dbc045bd12b623a

SHA256
798301c500221b4dd6c1a9da48b072d4b0cb4d5e1197cf5de6d887b2b27a6efa

SHA512
9a26bd5f031170ba2384420f719e8982e9643b1b453e81a623f16a8da6f7f608c7bed647c8a7e6dcfb5f4bc6b6ebf7b37995d67dd502dc8e032ae99b2ce07ad6

Download Submit
memory/2616-140-0x0000000000000000-mapping.dmp

Download
memory/3468-132-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-133-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/3468-137-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4428-134-0x0000000000000000-mapping.dmp

Download
memory/4428-138-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4428-139-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads