njrat | aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31

General

Target

aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe
Size

219KB
MD5

e696169f58b17a5e0ae2f0224b9a863b
SHA1

ba078bc0b91335dec3f7bb87a70fc5bf58190b2c
SHA256

aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31
SHA512

19704abafdacf11fe1bd610125bb257926114c853355722a57b450a3816b04074899ad1fce7f92af9b3212b6bc6a70909aeaec4fa9fcfeab8b746536019a8fff
SSDEEP

6144:wV8xLIQ/j6TIZNhGWaOF33OWSkRgZFRJZi4mm:koMHUHKOxO+RSJZii

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Hacked

C2

kissme1988.no-ip.biz:5552

Mutex

dc57475995c921da5a2603cdc0101794

Attributes

reg_key
dc57475995c921da5a2603cdc0101794
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

152.exesystemBL.exe

pid process

392 152.exe
4768 systemBL.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3064 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:

152.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 152.exe

pid	process
392	152.exe
4768	systemBL.exe

pid	process
3064	netsh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	152.exe

Drops startup file 2 IoCs

Processes:

systemBL.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe	systemBL.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe	systemBL.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

systemBL.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .."	systemBL.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .."	systemBL.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 29 IoCs

Processes:

systemBL.exe

description	pid	process
Token: SeDebugPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe
Token: 33	4768	systemBL.exe
Token: SeIncBasePriorityPrivilege	4768	systemBL.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe152.exesystemBL.exe

description	pid	process	target process
PID 4344 wrote to memory of 392	4344	aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe	152.exe
PID 4344 wrote to memory of 392	4344	aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe	152.exe
PID 4344 wrote to memory of 392	4344	aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe	152.exe
PID 392 wrote to memory of 4768	392	152.exe	systemBL.exe
PID 392 wrote to memory of 4768	392	152.exe	systemBL.exe
PID 392 wrote to memory of 4768	392	152.exe	systemBL.exe
PID 4768 wrote to memory of 3064	4768	systemBL.exe	netsh.exe
PID 4768 wrote to memory of 3064	4768	systemBL.exe	netsh.exe
PID 4768 wrote to memory of 3064	4768	systemBL.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe
"C:\Users\Admin\AppData\Local\Temp\aa0ee111ac78e794300c45a122fbaf42c9ae0b1df9366f9cc62d67ea9f797d31.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4344

C:\Users\Admin\AppData\Local\Temp\152.exe
C:\Users\Admin\AppData\Local\Temp\152.exe
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:392

C:\Users\Admin\AppData\Roaming\systemBL.exe
"C:\Users\Admin\AppData\Roaming\systemBL.exe"
3⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\systemBL.exe" "systemBL.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:3064

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\152.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Local\Temp\152.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

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

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

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

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
memory/392-138-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/392-135-0x0000000000000000-mapping.dmp

Download
memory/392-144-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/3064-145-0x0000000000000000-mapping.dmp

Download
memory/4344-132-0x0000000000E40000-0x0000000000E7E000-memory.dmp

Filesize
248KB

Download
memory/4344-134-0x00007FF817550000-0x00007FF818011000-memory.dmp

Filesize
10.8MB

Download
memory/4344-133-0x00007FF817550000-0x00007FF818011000-memory.dmp

Filesize
10.8MB

Download
memory/4344-140-0x00007FF817550000-0x00007FF818011000-memory.dmp

Filesize
10.8MB

Download
memory/4768-139-0x0000000000000000-mapping.dmp

Download
memory/4768-143-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/4768-146-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads