njrat | 2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571

General

Target

2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe
Size

299KB
MD5

b3e1737f873cf6dcc4250ae42def1309
SHA1

9809d9eb05cdb810ec2a4884f6955e11a912efab
SHA256

2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571
SHA512

c4a658c5e3af03ec30712975185bb11370c3d080890447285a99702048dda6e75bd3c53c3f1f2c7bbc5decd3531433db871fab7d3b95d9f8a7a0015851618c54

Score

10^/10

njrat svchost.exe evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

svchost.exe

C2

192.168.0.100:1604

Mutex

3f97945adf60540bc81f42cfa0c81e0c

Attributes

reg_key
3f97945adf60540bc81f42cfa0c81e0c
splitter
|'|'|

Signatures

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

Processes:

SERVER.EXEsvchost.exe

pid process

1884 SERVER.EXE
1708 svchost.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1884	SERVER.EXE
1708	svchost.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3f97945adf60540bc81f42cfa0c81e0c.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3f97945adf60540bc81f42cfa0c81e0c.exe	svchost.exe

Loads dropped DLL 2 IoCs

Processes:

2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exeSERVER.EXE

pid process

1704 2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe
1884 SERVER.EXE

pid	process
1704	2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe
1884	SERVER.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\3f97945adf60540bc81f42cfa0c81e0c = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3f97945adf60540bc81f42cfa0c81e0c = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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 19 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: 33	1708	svchost.exe
Token: SeIncBasePriorityPrivilege	1708	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

2036 DllHost.exe

pid	process
2036	DllHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exeSERVER.EXEsvchost.exe

description	pid	process	target process
PID 1704 wrote to memory of 1884	1704	2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe	SERVER.EXE
PID 1704 wrote to memory of 1884	1704	2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe	SERVER.EXE
PID 1704 wrote to memory of 1884	1704	2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe	SERVER.EXE
PID 1704 wrote to memory of 1884	1704	2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe	SERVER.EXE
PID 1884 wrote to memory of 1708	1884	SERVER.EXE	svchost.exe
PID 1884 wrote to memory of 1708	1884	SERVER.EXE	svchost.exe
PID 1884 wrote to memory of 1708	1884	SERVER.EXE	svchost.exe
PID 1884 wrote to memory of 1708	1884	SERVER.EXE	svchost.exe
PID 1708 wrote to memory of 1600	1708	svchost.exe	netsh.exe
PID 1708 wrote to memory of 1600	1708	svchost.exe	netsh.exe
PID 1708 wrote to memory of 1600	1708	svchost.exe	netsh.exe
PID 1708 wrote to memory of 1600	1708	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe
"C:\Users\Admin\AppData\Local\Temp\2ebdc54023ba9d9328d53df24abbbf79301e9547485c24534970670993fad571.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1704

C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
"C:\Users\Admin\AppData\Local\Temp\SERVER.EXE"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1884

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
4⤵
PID:1600

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:2036

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\POINTBLANK_20200505_224054.JPG
Filesize
208KB

MD5
e44feba6870d7b5681e16fa43954ff86

SHA1
3450115183e9a3f5a41bfe864d60c94cb2872c85

SHA256
f6f053051b4114188127519198a1db084c256eb51b7b3f31985367db1d17c62d

SHA512
e410070891d8cf5581d709cd1471eca7029b5473b011c1e2d700818103fd7245824d326a95567106ba68e7dce060adcd8f7d53ff39b07f0f6a38d64f7d371a9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
Filesize
37KB

MD5
3c9e368739b3d1d9fa1eef0f8d9a55e0

SHA1
61020dbcf08a36161d90a332ac8481cc9629dc2f

SHA256
4ef17574b7e29d2de73d524dc7f7ef1b2835e4e04d11ed895113be2a32f57dc1

SHA512
9f34cf327447c2794f9b346a9c5832347f33bcfc9aeb97055e8b445ebe492a4088a2f6977f3c812631c9250a83d3038b8866a9040b33781141edfc195a4fc8a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\SERVER.EXE
Filesize
37KB

MD5
3c9e368739b3d1d9fa1eef0f8d9a55e0

SHA1
61020dbcf08a36161d90a332ac8481cc9629dc2f

SHA256
4ef17574b7e29d2de73d524dc7f7ef1b2835e4e04d11ed895113be2a32f57dc1

SHA512
9f34cf327447c2794f9b346a9c5832347f33bcfc9aeb97055e8b445ebe492a4088a2f6977f3c812631c9250a83d3038b8866a9040b33781141edfc195a4fc8a3

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
37KB

MD5
3c9e368739b3d1d9fa1eef0f8d9a55e0

SHA1
61020dbcf08a36161d90a332ac8481cc9629dc2f

SHA256
4ef17574b7e29d2de73d524dc7f7ef1b2835e4e04d11ed895113be2a32f57dc1

SHA512
9f34cf327447c2794f9b346a9c5832347f33bcfc9aeb97055e8b445ebe492a4088a2f6977f3c812631c9250a83d3038b8866a9040b33781141edfc195a4fc8a3

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
37KB

MD5
3c9e368739b3d1d9fa1eef0f8d9a55e0

SHA1
61020dbcf08a36161d90a332ac8481cc9629dc2f

SHA256
4ef17574b7e29d2de73d524dc7f7ef1b2835e4e04d11ed895113be2a32f57dc1

SHA512
9f34cf327447c2794f9b346a9c5832347f33bcfc9aeb97055e8b445ebe492a4088a2f6977f3c812631c9250a83d3038b8866a9040b33781141edfc195a4fc8a3

Download Submit
\Users\Admin\AppData\Local\Temp\SERVER.EXE
Filesize
37KB

MD5
3c9e368739b3d1d9fa1eef0f8d9a55e0

SHA1
61020dbcf08a36161d90a332ac8481cc9629dc2f

SHA256
4ef17574b7e29d2de73d524dc7f7ef1b2835e4e04d11ed895113be2a32f57dc1

SHA512
9f34cf327447c2794f9b346a9c5832347f33bcfc9aeb97055e8b445ebe492a4088a2f6977f3c812631c9250a83d3038b8866a9040b33781141edfc195a4fc8a3

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe
Filesize
37KB

MD5
3c9e368739b3d1d9fa1eef0f8d9a55e0

SHA1
61020dbcf08a36161d90a332ac8481cc9629dc2f

SHA256
4ef17574b7e29d2de73d524dc7f7ef1b2835e4e04d11ed895113be2a32f57dc1

SHA512
9f34cf327447c2794f9b346a9c5832347f33bcfc9aeb97055e8b445ebe492a4088a2f6977f3c812631c9250a83d3038b8866a9040b33781141edfc195a4fc8a3

Download Submit
memory/1600-69-0x0000000000000000-mapping.dmp

Download
memory/1704-54-0x00000000755B1000-0x00000000755B3000-memory.dmp

Filesize
8KB

Download
memory/1708-64-0x0000000000000000-mapping.dmp

Download
memory/1708-68-0x00000000733A0000-0x000000007394B000-memory.dmp

Filesize
5.7MB

Download
memory/1884-57-0x0000000000000000-mapping.dmp

Download
memory/1884-61-0x00000000733A0000-0x000000007394B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads