njrat | a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6

General

Target

a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe
Size

248KB
MD5

d05139e2f69e5c2b77c2e5e67adeca4d
SHA1

f083153b4e2958629dea2b78342a2379456f215d
SHA256

a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6
SHA512

b9c353638af0df21d2da10371e5b5053c7ab1acf04d67e5c01649c0bd7897d80ffb15e8dfea8bc57ae67672af23d24f33095c8094aa35180d9a34c9fb4877f64
SSDEEP

6144:ylUQRmxln2Ys6hpY2nxb/2jDj/CRX/tQ4s:ylpEps6FpyAVd

Score

10^/10

njrat ‏فہۧايہۧروسہ الہۧعہۧراق هناا evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

‏فہۧايہۧروسہ الہۧعہۧراق هناا

C2

jaki3254.ddns.net:2001

Mutex

85039fd7c6f37e1e0601b12298c6e30f

Attributes

reg_key
85039fd7c6f37e1e0601b12298c6e30f
splitter
|'|'|

Signatures

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

Processes:

LocalIAZGMMJmLC.exesys02tm.exe

pid process

444 LocalIAZGMMJmLC.exe
3744 sys02tm.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1696 netsh.exe

pid	process
444	LocalIAZGMMJmLC.exe
3744	sys02tm.exe

pid	process
1696	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exeLocalIAZGMMJmLC.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	LocalIAZGMMJmLC.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sys02tm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\85039fd7c6f37e1e0601b12298c6e30f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sys02tm.exe\" .."	sys02tm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\85039fd7c6f37e1e0601b12298c6e30f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sys02tm.exe\" .."	sys02tm.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

sys02tm.exe

description	pid	process
Token: SeDebugPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe
Token: 33	3744	sys02tm.exe
Token: SeIncBasePriorityPrivilege	3744	sys02tm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

648 OpenWith.exe

pid	process
648	OpenWith.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exeLocalIAZGMMJmLC.exesys02tm.exe

description	pid	process	target process
PID 3868 wrote to memory of 444	3868	a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe	LocalIAZGMMJmLC.exe
PID 3868 wrote to memory of 444	3868	a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe	LocalIAZGMMJmLC.exe
PID 3868 wrote to memory of 444	3868	a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe	LocalIAZGMMJmLC.exe
PID 444 wrote to memory of 3744	444	LocalIAZGMMJmLC.exe	sys02tm.exe
PID 444 wrote to memory of 3744	444	LocalIAZGMMJmLC.exe	sys02tm.exe
PID 444 wrote to memory of 3744	444	LocalIAZGMMJmLC.exe	sys02tm.exe
PID 3744 wrote to memory of 1696	3744	sys02tm.exe	netsh.exe
PID 3744 wrote to memory of 1696	3744	sys02tm.exe	netsh.exe
PID 3744 wrote to memory of 1696	3744	sys02tm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe
"C:\Users\Admin\AppData\Local\Temp\a75f8943a81e270ae62a5794c43d9cd918f422fc231e36d2a00be29d32471ba6.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3868

C:\Users\Admin\AppData\LocalIAZGMMJmLC.exe
"C:\Users\Admin\AppData\LocalIAZGMMJmLC.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:444

C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
"C:\Users\Admin\AppData\Local\Temp\sys02tm.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sys02tm.exe" "sys02tm.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:1696

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:648

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalIAZGMMJmLC.exe
Filesize
23KB

MD5
eb82c80bae91a855301d9038e36da293

SHA1
db1a0655c292cc84f7895aacca94b4e589231712

SHA256
e2c64ef7cbe9137ed88b42e2fe6d97512ff446ca38185d4df6dfa689537077c1

SHA512
541278b79905ab77f494a75a9a479b3e3702368bda46606f7929c77d7e027e654e0ef161b3271a3f074037efc6a2172df9d1d985f7db5f8dd322a27072c866b6

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

MD5
eb82c80bae91a855301d9038e36da293

SHA1
db1a0655c292cc84f7895aacca94b4e589231712

SHA256
e2c64ef7cbe9137ed88b42e2fe6d97512ff446ca38185d4df6dfa689537077c1

SHA512
541278b79905ab77f494a75a9a479b3e3702368bda46606f7929c77d7e027e654e0ef161b3271a3f074037efc6a2172df9d1d985f7db5f8dd322a27072c866b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
Filesize
23KB

MD5
eb82c80bae91a855301d9038e36da293

SHA1
db1a0655c292cc84f7895aacca94b4e589231712

SHA256
e2c64ef7cbe9137ed88b42e2fe6d97512ff446ca38185d4df6dfa689537077c1

SHA512
541278b79905ab77f494a75a9a479b3e3702368bda46606f7929c77d7e027e654e0ef161b3271a3f074037efc6a2172df9d1d985f7db5f8dd322a27072c866b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
Filesize
23KB

MD5
eb82c80bae91a855301d9038e36da293

SHA1
db1a0655c292cc84f7895aacca94b4e589231712

SHA256
e2c64ef7cbe9137ed88b42e2fe6d97512ff446ca38185d4df6dfa689537077c1

SHA512
541278b79905ab77f494a75a9a479b3e3702368bda46606f7929c77d7e027e654e0ef161b3271a3f074037efc6a2172df9d1d985f7db5f8dd322a27072c866b6

Download Submit
memory/444-133-0x0000000000000000-mapping.dmp

Download
memory/444-136-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/444-140-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/1696-142-0x0000000000000000-mapping.dmp

Download
memory/3744-137-0x0000000000000000-mapping.dmp

Download
memory/3744-141-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3744-143-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3868-132-0x00007FFF3A260000-0x00007FFF3AC96000-memory.dmp

Filesize
10.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads