20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5e

Analysis

max time kernel
6s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 01:07

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General

Target

20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe
Size

29KB
MD5

d4aa76f68208684dbaaa0939badb2440
SHA1

b809d327a842643fd94cb47e40a7fb5e1c20957f
SHA256

20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5e
SHA512

927ff9ce9628f6972165c0c94abd6c696356acd0f239c7bed43aa8263551e25e23af8f3a1f723d3424269dca1372784cbfb407735c205a6e1baf8fe892138187
SSDEEP

384:WOnwR2nXFpOQGR9zos2clAKLHRN74u56/R9zZwu9IJ98:XwR0XOQ69zbjlAAX5e9zWw

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2124	hhcbrnaff.exe

Loads dropped DLL 1 IoCs

pid	Process
1656	20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2124	1656	20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe	30
PID 1656 wrote to memory of 2124	1656	20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe	30
PID 1656 wrote to memory of 2124	1656	20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe	30
PID 1656 wrote to memory of 2124	1656	20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe	30

C:\Users\Admin\AppData\Local\Temp\20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe
"C:\Users\Admin\AppData\Local\Temp\20139e342965305db9e3b3bc425b6c02203cb8495a95acdd2295992161d5ae5eN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe
  "C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe"
  2⤵
  - Executes dropped EXE
  PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe

Filesize
29KB

MD5
c144a0390a85505df7b4685995eac86f

SHA1
83dd59b9f2ceb8a1fe944a4f6f7b0f7bc9e35b18

SHA256
7c63f77d7266d009ed83f9f688864b8d2ac1425ebc84a94434bf3f7229f0201d

SHA512
94051cf381c6b574d5a1a8d2c132a7b0003bc3912f144b5212750f9bdcb34add8c55cfb595c4ac0ce5c7f2d1dcd38c792547539775049fdfae7b4318b011a6d7

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