njrat | 36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a

General

Target

36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe
Size

23KB
MD5

36ae5f9083769cce59b15681f7f308cd
SHA1

2c325b08925d27e22c2a5fd68d64f0462b2a30ae
SHA256

36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a
SHA512

4b951d5d64bc947bc1e4c42f137cfbc5d9170cac03c47ec8b95b075db43430ff150ac6707b4faeca355071ffbb13c071f7be88f293a0821f4ddc26e39e01ec20
SSDEEP

384:/luBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZpYN:IOmhtIiRpcnuIA

Score

10^/10

njrat mr.mero evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Mr.MeRo

C2

omarzzt.no-ip.biz:1177

Mutex

8141cfe330bee6dde5943a98e3d1fd4b

Attributes

reg_key
8141cfe330bee6dde5943a98e3d1fd4b
splitter
|'|'|

Signatures

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

Processes:

windows.exe

pid process

1416 windows.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1240 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe

pid process

1828 36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe

pid	process
1416	windows.exe

pid	process
1240	netsh.exe

pid	process
1828	36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

windows.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\8141cfe330bee6dde5943a98e3d1fd4b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .."	windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8141cfe330bee6dde5943a98e3d1fd4b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windows.exe\" .."	windows.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 13 IoCs

Processes:

windows.exe

description	pid	process
Token: SeDebugPrivilege	1416	windows.exe
Token: 33	1416	windows.exe
Token: SeIncBasePriorityPrivilege	1416	windows.exe
Token: 33	1416	windows.exe
Token: SeIncBasePriorityPrivilege	1416	windows.exe
Token: 33	1416	windows.exe
Token: SeIncBasePriorityPrivilege	1416	windows.exe
Token: 33	1416	windows.exe
Token: SeIncBasePriorityPrivilege	1416	windows.exe
Token: 33	1416	windows.exe
Token: SeIncBasePriorityPrivilege	1416	windows.exe
Token: 33	1416	windows.exe
Token: SeIncBasePriorityPrivilege	1416	windows.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exewindows.exe

description	pid	process	target process
PID 1828 wrote to memory of 1416	1828	36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe	windows.exe
PID 1828 wrote to memory of 1416	1828	36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe	windows.exe
PID 1828 wrote to memory of 1416	1828	36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe	windows.exe
PID 1828 wrote to memory of 1416	1828	36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe	windows.exe
PID 1416 wrote to memory of 1240	1416	windows.exe	netsh.exe
PID 1416 wrote to memory of 1240	1416	windows.exe	netsh.exe
PID 1416 wrote to memory of 1240	1416	windows.exe	netsh.exe
PID 1416 wrote to memory of 1240	1416	windows.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe
"C:\Users\Admin\AppData\Local\Temp\36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Users\Admin\AppData\Local\Temp\windows.exe
  "C:\Users\Admin\AppData\Local\Temp\windows.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windows.exe" "windows.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1240

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

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Downloads

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

Filesize
23KB

MD5
36ae5f9083769cce59b15681f7f308cd

SHA1
2c325b08925d27e22c2a5fd68d64f0462b2a30ae

SHA256
36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a

SHA512
4b951d5d64bc947bc1e4c42f137cfbc5d9170cac03c47ec8b95b075db43430ff150ac6707b4faeca355071ffbb13c071f7be88f293a0821f4ddc26e39e01ec20

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

Filesize
23KB

MD5
36ae5f9083769cce59b15681f7f308cd

SHA1
2c325b08925d27e22c2a5fd68d64f0462b2a30ae

SHA256
36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a

SHA512
4b951d5d64bc947bc1e4c42f137cfbc5d9170cac03c47ec8b95b075db43430ff150ac6707b4faeca355071ffbb13c071f7be88f293a0821f4ddc26e39e01ec20

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

Filesize
23KB

MD5
36ae5f9083769cce59b15681f7f308cd

SHA1
2c325b08925d27e22c2a5fd68d64f0462b2a30ae

SHA256
36e6eab0c04a678ec2e9a81e570cf5344f5d8958b025685ff5fcf7f15841d20a

SHA512
4b951d5d64bc947bc1e4c42f137cfbc5d9170cac03c47ec8b95b075db43430ff150ac6707b4faeca355071ffbb13c071f7be88f293a0821f4ddc26e39e01ec20

Download Submit
memory/1240-64-0x0000000000000000-mapping.dmp

Download
memory/1416-58-0x0000000000000000-mapping.dmp

Download
memory/1416-63-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/1416-65-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/1828-54-0x0000000075611000-0x0000000075613000-memory.dmp

Filesize
8KB

Download
memory/1828-55-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/1828-56-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/1828-62-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads