njrat | 10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1

General

Target

10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe
Size

23KB
MD5

9f0ddcee6a0cf7c909f06279b674a8ac
SHA1

845cc9e425d60c2577512ae6bee03a1e66e5de41
SHA256

10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1
SHA512

07d560dc082ce24ce2b6c20500691b660b93f5868859427eba57ecd9a9652acccdee55115589baec7b6a755116f8fcdf467b2177b44a14af777a342bce0b9985
SSDEEP

384:CcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZ4G:V30py6vhxaRpcnus

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

fofa97.no-ip.biz:1164

Mutex

288166edc4d26d8da429838f2d4d1098

Attributes

reg_key
288166edc4d26d8da429838f2d4d1098
splitter
|'|'|

Signatures

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

Processes:

gfs.exe

pid process

2204 gfs.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

60 netsh.exe

pid	process
2204	gfs.exe

pid	process
60	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:

10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

gfs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\288166edc4d26d8da429838f2d4d1098 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\gfs.exe\" .."	gfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\288166edc4d26d8da429838f2d4d1098 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\gfs.exe\" .."	gfs.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 33 IoCs

Processes:

gfs.exe

description	pid	process
Token: SeDebugPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe
Token: 33	2204	gfs.exe
Token: SeIncBasePriorityPrivilege	2204	gfs.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exegfs.exe

description	pid	process	target process
PID 1336 wrote to memory of 2204	1336	10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe	gfs.exe
PID 1336 wrote to memory of 2204	1336	10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe	gfs.exe
PID 1336 wrote to memory of 2204	1336	10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe	gfs.exe
PID 2204 wrote to memory of 60	2204	gfs.exe	netsh.exe
PID 2204 wrote to memory of 60	2204	gfs.exe	netsh.exe
PID 2204 wrote to memory of 60	2204	gfs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe
"C:\Users\Admin\AppData\Local\Temp\10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1336

C:\Users\Admin\AppData\Local\Temp\gfs.exe
"C:\Users\Admin\AppData\Local\Temp\gfs.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\gfs.exe" "gfs.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:60

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\gfs.exe

Filesize
23KB

MD5
9f0ddcee6a0cf7c909f06279b674a8ac

SHA1
845cc9e425d60c2577512ae6bee03a1e66e5de41

SHA256
10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1

SHA512
07d560dc082ce24ce2b6c20500691b660b93f5868859427eba57ecd9a9652acccdee55115589baec7b6a755116f8fcdf467b2177b44a14af777a342bce0b9985

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

Filesize
23KB

MD5
9f0ddcee6a0cf7c909f06279b674a8ac

SHA1
845cc9e425d60c2577512ae6bee03a1e66e5de41

SHA256
10d94afee8a4ac453729e0a0a347b10e34f37709294da450c5a14f86f77395c1

SHA512
07d560dc082ce24ce2b6c20500691b660b93f5868859427eba57ecd9a9652acccdee55115589baec7b6a755116f8fcdf467b2177b44a14af777a342bce0b9985

Download Submit
memory/60-141-0x0000000000000000-mapping.dmp

Download
memory/1336-135-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/1336-139-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/2204-136-0x0000000000000000-mapping.dmp

Download
memory/2204-140-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/2204-142-0x00000000750E0000-0x0000000075691000-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