njrat | 28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e

General

Target

28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exe
Size

256KB
MD5

73bd3bdeb4a75c3ff74a7935ddac9c80
SHA1

6ce1bd6708038d57673a06052940f30e318ffdb1
SHA256

28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e
SHA512

bcad6326216c1f38f746c04b983b62935c81c61857e02a1825ad4e58d0f0d7cff4e1821c2ded20e8e81145fb6041dc7034d723030a19d18571eca5a0cbb4c4d2
SSDEEP

6144:RmfAQ369AGxNWJHzMK7pqfeJs4s1zLnlBX+UVes/d:RvVxN4HzLq2KxBX+AeG

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

win123.no-ip.biz:1177

Mutex

470fceaa18ffd7ea15451e9bd351fd87

Attributes

reg_key
470fceaa18ffd7ea15451e9bd351fd87
splitter
|'|'|

Signatures

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

Processes:

LocalbcN_WXrQOb.exeFirefox.exe

pid process

4800 LocalbcN_WXrQOb.exe
3488 Firefox.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4708 netsh.exe

pid	process
4800	LocalbcN_WXrQOb.exe
3488	Firefox.exe

pid	process
4708	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:

28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exeLocalbcN_WXrQOb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	LocalbcN_WXrQOb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Firefox.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\470fceaa18ffd7ea15451e9bd351fd87 = "\"C:\\ProgramData\\Firefox.exe\" .."	Firefox.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\470fceaa18ffd7ea15451e9bd351fd87 = "\"C:\\ProgramData\\Firefox.exe\" .."	Firefox.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 39 IoCs

Processes:

Firefox.exe

pid	process
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe
3488	Firefox.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Firefox.exe

description pid process

Token: SeDebugPrivilege 3488 Firefox.exe

description	pid	process
Token: SeDebugPrivilege	3488	Firefox.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exeLocalbcN_WXrQOb.exeFirefox.exe

description	pid	process	target process
PID 4528 wrote to memory of 4800	4528	28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exe	LocalbcN_WXrQOb.exe
PID 4528 wrote to memory of 4800	4528	28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exe	LocalbcN_WXrQOb.exe
PID 4528 wrote to memory of 4800	4528	28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exe	LocalbcN_WXrQOb.exe
PID 4800 wrote to memory of 3488	4800	LocalbcN_WXrQOb.exe	Firefox.exe
PID 4800 wrote to memory of 3488	4800	LocalbcN_WXrQOb.exe	Firefox.exe
PID 4800 wrote to memory of 3488	4800	LocalbcN_WXrQOb.exe	Firefox.exe
PID 3488 wrote to memory of 4708	3488	Firefox.exe	netsh.exe
PID 3488 wrote to memory of 4708	3488	Firefox.exe	netsh.exe
PID 3488 wrote to memory of 4708	3488	Firefox.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exe
"C:\Users\Admin\AppData\Local\Temp\28d0076db09d89709ef2d882d69aa9a171fceb3c12669b28c46e08ce64ed700e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4528

C:\Users\Admin\AppData\LocalbcN_WXrQOb.exe
"C:\Users\Admin\AppData\LocalbcN_WXrQOb.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4800

C:\ProgramData\Firefox.exe
"C:\ProgramData\Firefox.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\ProgramData\Firefox.exe" "Firefox.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:4708

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

Loading Replay Monitor...

Downloads

C:\ProgramData\Firefox.exe
Filesize
29KB

MD5
42484c5a2b76757e8bdc1e48ce71be74

SHA1
10a130799ef29aa0be4b93147859510b54f09b22

SHA256
933c8a326c3f52412684d20ac9bfa1fa0a78cef6d7a8f9719dd19a799d74565c

SHA512
4c7fbce06cdb2e4d82ffbc79dfaa8161d7b8264589d3109e913cc61ea7dfb6071cf5dc301b065c4430d40ea51c18420f8efcedaf1dc4d8333555b5f41dd4be09

Download Submit
C:\ProgramData\Firefox.exe
Filesize
29KB

MD5
42484c5a2b76757e8bdc1e48ce71be74

SHA1
10a130799ef29aa0be4b93147859510b54f09b22

SHA256
933c8a326c3f52412684d20ac9bfa1fa0a78cef6d7a8f9719dd19a799d74565c

SHA512
4c7fbce06cdb2e4d82ffbc79dfaa8161d7b8264589d3109e913cc61ea7dfb6071cf5dc301b065c4430d40ea51c18420f8efcedaf1dc4d8333555b5f41dd4be09

Download Submit
C:\Users\Admin\AppData\LocalbcN_WXrQOb.exe
Filesize
29KB

MD5
42484c5a2b76757e8bdc1e48ce71be74

SHA1
10a130799ef29aa0be4b93147859510b54f09b22

SHA256
933c8a326c3f52412684d20ac9bfa1fa0a78cef6d7a8f9719dd19a799d74565c

SHA512
4c7fbce06cdb2e4d82ffbc79dfaa8161d7b8264589d3109e913cc61ea7dfb6071cf5dc301b065c4430d40ea51c18420f8efcedaf1dc4d8333555b5f41dd4be09

Download Submit
C:\Users\Admin\AppData\LocalbcN_WXrQOb.exe
Filesize
29KB

MD5
42484c5a2b76757e8bdc1e48ce71be74

SHA1
10a130799ef29aa0be4b93147859510b54f09b22

SHA256
933c8a326c3f52412684d20ac9bfa1fa0a78cef6d7a8f9719dd19a799d74565c

SHA512
4c7fbce06cdb2e4d82ffbc79dfaa8161d7b8264589d3109e913cc61ea7dfb6071cf5dc301b065c4430d40ea51c18420f8efcedaf1dc4d8333555b5f41dd4be09

Download Submit
memory/3488-137-0x0000000000000000-mapping.dmp

Download
memory/3488-142-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/3488-143-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/4528-132-0x00007FF812F20000-0x00007FF813956000-memory.dmp

Filesize
10.2MB

Download
memory/4708-141-0x0000000000000000-mapping.dmp

Download
memory/4800-133-0x0000000000000000-mapping.dmp

Download
memory/4800-136-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/4800-140-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads