njrat | 22d0823cfb11aa8e09b0d7b874db3e7a5ed922263a9a357ebb2285758a972ffc

General

Target
3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe
Size 573KB
Sample240513-ncx11sch22
SHA256 22d0823cfb11aa8e09b0d7b874db3e7a5ed922263a9a357ebb2285758a972ffc
MD5 3f36b3c1e2ad821491702c16c8a373fe
SHA1 58bbb38b3295362701867359cfa22e29aefd662d
SHA512 d47b41b87e8455ad7ea14dffa52adfc8af7689a603fc673cb050b4d3d79cb1bea12c12edadf1dbee98d21ba2b56891389ec7a2fef140cac2637dcaf5678963e1
SSDEEP 12288:r2ghLvPhXpe3PlrSX/6GuwHdm4nTtDGxElRNsMgCkS:dXhZgPleX/6GpH045DG2lRNtR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

95.24.162.88:1337

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Server.exe

Executes dropped EXE 1 IoCs

pid	Process
4424	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Program Files (x86)\\%%%\\Server.exe\" .."	Server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Program Files (x86)\\%%%\\Server.exe\" .."	Server.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\%%%\s1200.jpg	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\%%%\s1200.jpg	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe
File created	C:\Program Files (x86)\%%%\Server.exe	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\%%%\Server.exe	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\%%%	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe
File created	C:\Program Files (x86)\%%%\__tmp_rar_sfx_access_check_240603656	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4424	Server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe
Token: 33	4424	Server.exe
Token: SeIncBasePriorityPrivilege	4424	Server.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 4424	3860	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe	86
PID 3860 wrote to memory of 4424	3860	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe	86
PID 3860 wrote to memory of 4424	3860	3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f36b3c1e2ad821491702c16c8a373fe_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3860
- C:\Program Files (x86)\%%%\Server.exe
  "C:\Program Files (x86)\%%%\Server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Server.exe

Path C:\Program Files (x86)\%%%\Server.exe
Size 43KB
SHA256 0b50cc084355754244b47088173365f32f6267203a184710f60082882293868a
MD5 b7dfe6468982345c44e94679cae65137
SHA1 aeb769475babf7ea108f35eb6206421ee81d7c21
SHA512 958bb7c670bc94c6b3325da253fac763b66620a0c5ce0c6d6d19cefacdf5f945782ec2ee8abe38cf40586d5d5ea83aec304dd2cc2df220ab7dd6d084e93c2200
SSDEEP 384:9ZyFeBi0lwZmoy7Q3GmoCEhxyDkaXzoIij+ZsNO3PlpJKkkjh/TzF7pWntp/gre7:3z1Gol7MGrsDTuXQ/oO/+L
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4424-11-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

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memory/4424-12-0x0000000000C00000-0x0000000000C12000-memory.dmp

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memory/4424-13-0x00000000055D0000-0x000000000566C000-memory.dmp

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memory/4424-14-0x0000000005E90000-0x0000000006434000-memory.dmp

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memory/4424-15-0x00000000059F0000-0x0000000005A82000-memory.dmp

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memory/4424-16-0x0000000073DF0000-0x00000000745A0000-memory.dmp

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memory/4424-18-0x00000000059D0000-0x00000000059DA000-memory.dmp

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memory/4424-19-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

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memory/4424-20-0x0000000073DF0000-0x00000000745A0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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