njrat | c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1

General

Target

c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1.exe
Size

510KB
MD5

de5594d65b1c39567fcd695a9a22821d
SHA1

106fbb1e33137ccd8afd7b7fcb07c59680c33319
SHA256

c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1
SHA512

1b19ea43c8b404e583c2936208b20d17a63100dd86e309750ec6adf8d913811c030f77ab692aefd56ddb8eeb97713b13515c64fb7904ce91eb10e1b89d2deac4
SSDEEP

3072:v6tmSB6CoVYJC0WrFqQe2rYsk/C57x2p2TLmt9U/E0yq2ZCIjotGkUKBbA:v7a41eHRK57Ue/EP/MpJ

Score

10^/10

njrat dr-doser evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Dr-Doser

C2

first1one.ddns.net:1177

Mutex

544fcef8aa17198ed1d025b4643ddcbe

Attributes

reg_key
544fcef8aa17198ed1d025b4643ddcbe
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
924	facebook hack 2015..exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
592	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\544fcef8aa17198ed1d025b4643ddcbe.exe	facebook hack 2015..exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\544fcef8aa17198ed1d025b4643ddcbe.exe	facebook hack 2015..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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\544fcef8aa17198ed1d025b4643ddcbe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\facebook hack 2015..exe\" .."	facebook hack 2015..exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\544fcef8aa17198ed1d025b4643ddcbe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\facebook hack 2015..exe\" .."	facebook hack 2015..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 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe
Token: 33	924	facebook hack 2015..exe
Token: SeIncBasePriorityPrivilege	924	facebook hack 2015..exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 672 wrote to memory of 924	672	c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1.exe	28
PID 672 wrote to memory of 924	672	c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1.exe	28
PID 672 wrote to memory of 924	672	c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1.exe	28
PID 924 wrote to memory of 592	924	facebook hack 2015..exe	29
PID 924 wrote to memory of 592	924	facebook hack 2015..exe	29
PID 924 wrote to memory of 592	924	facebook hack 2015..exe	29

C:\Users\Admin\AppData\Local\Temp\c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1.exe
"C:\Users\Admin\AppData\Local\Temp\c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:672
- C:\Users\Admin\AppData\Local\Temp\facebook hack 2015..exe
  "C:\Users\Admin\AppData\Local\Temp\facebook hack 2015..exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:924
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\facebook hack 2015..exe" "facebook hack 2015..exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:592

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\facebook hack 2015..exe

Filesize
510KB

MD5
de5594d65b1c39567fcd695a9a22821d

SHA1
106fbb1e33137ccd8afd7b7fcb07c59680c33319

SHA256
c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1

SHA512
1b19ea43c8b404e583c2936208b20d17a63100dd86e309750ec6adf8d913811c030f77ab692aefd56ddb8eeb97713b13515c64fb7904ce91eb10e1b89d2deac4

Download Submit
C:\Users\Admin\AppData\Local\Temp\facebook hack 2015..exe

Filesize
510KB

MD5
de5594d65b1c39567fcd695a9a22821d

SHA1
106fbb1e33137ccd8afd7b7fcb07c59680c33319

SHA256
c13fa7162bf6014babbf714fb350200f5e9d0c68194e03aad1becf25e10111f1

SHA512
1b19ea43c8b404e583c2936208b20d17a63100dd86e309750ec6adf8d913811c030f77ab692aefd56ddb8eeb97713b13515c64fb7904ce91eb10e1b89d2deac4

Download Submit
memory/672-60-0x000000001B1C0000-0x000000001B226000-memory.dmp

Filesize
408KB

Download
memory/672-58-0x0000000000D80000-0x0000000000DE8000-memory.dmp

Filesize
416KB

Download
memory/672-59-0x0000000000B10000-0x0000000000B76000-memory.dmp

Filesize
408KB

Download
memory/672-54-0x0000000000E30000-0x0000000000EB6000-memory.dmp

Filesize
536KB

Download
memory/672-61-0x000007FEFBCE1000-0x000007FEFBCE3000-memory.dmp

Filesize
8KB

Download
memory/672-57-0x0000000000500000-0x000000000050C000-memory.dmp

Filesize
48KB

Download
memory/672-56-0x0000000000BF0000-0x0000000000C62000-memory.dmp

Filesize
456KB

Download
memory/672-55-0x0000000000340000-0x0000000000352000-memory.dmp

Filesize
72KB

Download
memory/924-65-0x00000000009B0000-0x0000000000A36000-memory.dmp

Filesize
536KB

Download
memory/924-66-0x00000000020E0000-0x0000000002146000-memory.dmp

Filesize
408KB

Download

Analysis

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