4932535e1109fad42425fc977e09c9743b5aa904a7161b8600b4a989532d3974

Resubmissions

13-08-2024 23:36

240813-3lyfgawdrr 5

13-08-2024 23:33

240813-3jvxka1fkh 10

Analysis

max time kernel
97s
max time network
141s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
13-08-2024 23:33

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Report Analysis Logs

General

Target

byfron-01a570a3cd0a46f2/mapper.dll
Size

756KB
MD5

ef3e115c225588a680acf365158b2f4a
SHA1

ecda6d3b4642d2451817833b39248778e9c2cbb0
SHA256

25d1cc5be93c7a0b58855ad1f4c9df3cfb9ec87e5dc13db85b147b1951ac6fa8
SHA512

d51f51336b7a34eb6c8f429597c3d685eb53853ee5e9d4857c40fc7be6956f1b8363d8d34bebad15ccceae45a6eb69f105f2df6a672f15fb0e6f8d0bb1afb91a
SSDEEP

12288:amCy3y9cSWI5vMBEWL3XU8+n6ODOlMFgvXmteA5RLTDz7sHA9p++/pj:amCy3acqvM6WL3XU8+n6ODxgf4eUH7Tt

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	1928	WerFault.exe	82

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 1928	5008	rundll32.exe	82
PID 5008 wrote to memory of 1928	5008	rundll32.exe	82
PID 5008 wrote to memory of 1928	5008	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\byfron-01a570a3cd0a46f2\mapper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\byfron-01a570a3cd0a46f2\mapper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 448
    3⤵
    - Program crash
    PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1928 -ip 1928
1⤵
PID:1540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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