njrat | a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151

General

Target

a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe
Size

194KB
MD5

a6491c74f152dbf34db1c80984c7dab1
SHA1

02a9fd990ef3cc2ac3a9005f537b36986596f142
SHA256

a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151
SHA512

44b42550fa79f82d9bc79e39689c5dcb0d0b7ff6f99d0f7a407f1fe7cf0cbd0f222ead2dca54636d4c62c0275ab6a316dd8af51c434f24f8e3447d2cba42677c
SSDEEP

3072:1R557ZcKICt6zspXoYTqgc/dCpVW5XKRaMxS12/:ZnaYXXoYTqgcVZ56R5w12

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

my.exe

pid process

4512 my.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3716 netsh.exe

pid	process
4512	my.exe

pid	process
3716	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:

a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe

Drops startup file 2 IoCs

Processes:

my.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a73924a566fd4f4b1613ad23b7dfc174.exe	my.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a73924a566fd4f4b1613ad23b7dfc174.exe	my.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

my.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a73924a566fd4f4b1613ad23b7dfc174 = "\"C:\\Users\\Admin\\AppData\\Roaming\\my.exe\" .."	my.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a73924a566fd4f4b1613ad23b7dfc174 = "\"C:\\Users\\Admin\\AppData\\Roaming\\my.exe\" .."	my.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:

my.exe

description	pid	process
Token: SeDebugPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe
Token: 33	4512	my.exe
Token: SeIncBasePriorityPrivilege	4512	my.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exemy.exe

description	pid	process	target process
PID 1996 wrote to memory of 4512	1996	a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe	my.exe
PID 1996 wrote to memory of 4512	1996	a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe	my.exe
PID 1996 wrote to memory of 4512	1996	a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe	my.exe
PID 4512 wrote to memory of 3716	4512	my.exe	netsh.exe
PID 4512 wrote to memory of 3716	4512	my.exe	netsh.exe
PID 4512 wrote to memory of 3716	4512	my.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe
"C:\Users\Admin\AppData\Local\Temp\a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1996

C:\Users\Admin\AppData\Roaming\my.exe
"C:\Users\Admin\AppData\Roaming\my.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\my.exe" "my.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3716

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\my.exe

Filesize
194KB

MD5
a6491c74f152dbf34db1c80984c7dab1

SHA1
02a9fd990ef3cc2ac3a9005f537b36986596f142

SHA256
a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151

SHA512
44b42550fa79f82d9bc79e39689c5dcb0d0b7ff6f99d0f7a407f1fe7cf0cbd0f222ead2dca54636d4c62c0275ab6a316dd8af51c434f24f8e3447d2cba42677c

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

Filesize
194KB

MD5
a6491c74f152dbf34db1c80984c7dab1

SHA1
02a9fd990ef3cc2ac3a9005f537b36986596f142

SHA256
a6667c7c56e9d98c3335bb7976ae6892fc6ea2011baacf3b4311ac2d9e4d9151

SHA512
44b42550fa79f82d9bc79e39689c5dcb0d0b7ff6f99d0f7a407f1fe7cf0cbd0f222ead2dca54636d4c62c0275ab6a316dd8af51c434f24f8e3447d2cba42677c

Download Submit
memory/1996-132-0x0000000000270000-0x00000000002A6000-memory.dmp

Filesize
216KB

Download
memory/1996-133-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/1996-134-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/1996-135-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

Filesize
624KB

Download
memory/1996-136-0x0000000002800000-0x000000000280A000-memory.dmp

Filesize
40KB

Download
memory/3716-140-0x0000000000000000-mapping.dmp

Download
memory/4512-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads