njrat | d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b

General

Target

d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe
Size

28KB
MD5

680b9619b47bf350bf27fcd362566e50
SHA1

a74d839c2b6143d8c921ba3080e54756297e8859
SHA256

d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b
SHA512

3f25d72f365f492c2493d7f4896832ff35dfd7ac9ca2735a3817933180535b100d77bb9979f7a91471606686b78bc5d4eb3120eac92a8c9c91ffe835f290641d
SSDEEP

384:bK12nLNl73t5otQMOdetp53hBxqGmqDQdLbeAKGBsbh0w4wlAokw9OhgOL1vYRGx:bKG7jo2MzPHX8qQbeIBKh0p29SgRSz

Score

10^/10

njrat mohund almadrede evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

mohund almadrede

C2

mohundm.no-ip.biz:1177

Mutex

85ce27c90f0ba2b98ceb888e2ca7acde

Attributes

reg_key
85ce27c90f0ba2b98ceb888e2ca7acde
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
944	google.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1944	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\85ce27c90f0ba2b98ceb888e2ca7acde.exe	google.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\85ce27c90f0ba2b98ceb888e2ca7acde.exe	google.exe

Loads dropped DLL 2 IoCs

pid	Process
1488	d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe
1488	d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\85ce27c90f0ba2b98ceb888e2ca7acde = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\google.exe\" .."	google.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\85ce27c90f0ba2b98ceb888e2ca7acde = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\google.exe\" .."	google.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 16 IoCs

pid	Process
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe
944	google.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	google.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 944	1488	d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe	28
PID 1488 wrote to memory of 944	1488	d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe	28
PID 1488 wrote to memory of 944	1488	d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe	28
PID 1488 wrote to memory of 944	1488	d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe	28
PID 944 wrote to memory of 1944	944	google.exe	29
PID 944 wrote to memory of 1944	944	google.exe	29
PID 944 wrote to memory of 1944	944	google.exe	29
PID 944 wrote to memory of 1944	944	google.exe	29

C:\Users\Admin\AppData\Local\Temp\d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe
"C:\Users\Admin\AppData\Local\Temp\d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\google.exe
  "C:\Users\Admin\AppData\Local\Temp\google.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:944
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\google.exe" "google.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1944

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\google.exe

Filesize
28KB

MD5
680b9619b47bf350bf27fcd362566e50

SHA1
a74d839c2b6143d8c921ba3080e54756297e8859

SHA256
d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b

SHA512
3f25d72f365f492c2493d7f4896832ff35dfd7ac9ca2735a3817933180535b100d77bb9979f7a91471606686b78bc5d4eb3120eac92a8c9c91ffe835f290641d

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

Filesize
28KB

MD5
680b9619b47bf350bf27fcd362566e50

SHA1
a74d839c2b6143d8c921ba3080e54756297e8859

SHA256
d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b

SHA512
3f25d72f365f492c2493d7f4896832ff35dfd7ac9ca2735a3817933180535b100d77bb9979f7a91471606686b78bc5d4eb3120eac92a8c9c91ffe835f290641d

Download Submit
\Users\Admin\AppData\Local\Temp\google.exe

Filesize
28KB

MD5
680b9619b47bf350bf27fcd362566e50

SHA1
a74d839c2b6143d8c921ba3080e54756297e8859

SHA256
d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b

SHA512
3f25d72f365f492c2493d7f4896832ff35dfd7ac9ca2735a3817933180535b100d77bb9979f7a91471606686b78bc5d4eb3120eac92a8c9c91ffe835f290641d

Download Submit
\Users\Admin\AppData\Local\Temp\google.exe

Filesize
28KB

MD5
680b9619b47bf350bf27fcd362566e50

SHA1
a74d839c2b6143d8c921ba3080e54756297e8859

SHA256
d5df48431d5d69553eb8cbeb765d9526aa3d8e7ac9702f22a7a633ba4051fa7b

SHA512
3f25d72f365f492c2493d7f4896832ff35dfd7ac9ca2735a3817933180535b100d77bb9979f7a91471606686b78bc5d4eb3120eac92a8c9c91ffe835f290641d

Download Submit
memory/944-64-0x0000000074E90000-0x000000007543B000-memory.dmp

Filesize
5.7MB

Download
memory/944-66-0x0000000074E90000-0x000000007543B000-memory.dmp

Filesize
5.7MB

Download
memory/1488-54-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download
memory/1488-55-0x0000000074E90000-0x000000007543B000-memory.dmp

Filesize
5.7MB

Download
memory/1488-62-0x0000000074E90000-0x000000007543B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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