b42f7b1685c9fa69b07eec4870ae1f573a48ad04c369e452482edbbfed654c24

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 06:14

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General

Target

RFQNr.201124559-201124569-201175771.exe
Size

629KB
MD5

ea3570960a117b551ef4d63afb90594a
SHA1

25e8d6660e6bdf88c78a484ecc49f1f5e862902d
SHA256

b42f7b1685c9fa69b07eec4870ae1f573a48ad04c369e452482edbbfed654c24
SHA512

822fd9ae05be68403868ce69aa9944b90d6a3285c8a17d1009cccff02ebd2bc10dc6434cb0473a3e5a5c58c849e3dee112819bf5a6ca395d3447eba65f11d076
SSDEEP

12288:2ZPsXk8zK2u+4rYnH12g+ohTHPU66swKpUHsTx6I+0X:CWhu6H1ZtFPU9skMTxX+0X

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

RFQNr.201124559-201124569-201175771.exe

pid	Process
2524	RFQNr.201124559-201124569-201175771.exe
2524	RFQNr.201124559-201124569-201175771.exe

Drops file in System32 directory 1 IoCs

Processes:

RFQNr.201124559-201124569-201175771.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\gnarrs\tacitness.Spo	RFQNr.201124559-201124569-201175771.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2472	2524	WerFault.exe	29

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

Processes:

RFQNr.201124559-201124569-201175771.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQNr.201124559-201124569-201175771.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

RFQNr.201124559-201124569-201175771.exe

description	pid	Process	procid_target
PID 2524 wrote to memory of 2472	2524	RFQNr.201124559-201124569-201175771.exe	30
PID 2524 wrote to memory of 2472	2524	RFQNr.201124559-201124569-201175771.exe	30
PID 2524 wrote to memory of 2472	2524	RFQNr.201124559-201124569-201175771.exe	30
PID 2524 wrote to memory of 2472	2524	RFQNr.201124559-201124569-201175771.exe	30

C:\Users\Admin\AppData\Local\Temp\RFQNr.201124559-201124569-201175771.exe
"C:\Users\Admin\AppData\Local\Temp\RFQNr.201124559-201124569-201175771.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 496
  2⤵
  - Program crash
  PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nso93A9.tmp\System.dll

Filesize
12KB

MD5
8cf2ac271d7679b1d68eefc1ae0c5618

SHA1
7cc1caaa747ee16dc894a600a4256f64fa65a9b8

SHA256
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba

SHA512
ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3

Download Submit
memory/2524-14-0x0000000002D30000-0x0000000004FE2000-memory.dmp

Filesize
34.7MB

Download
memory/2524-15-0x0000000002D30000-0x0000000004FE2000-memory.dmp

Filesize
34.7MB

Download