a3a264617e3ef583f7a8e9747ad08da7c5e831ee25eb597543512ae32ddf628c

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 01:49 UTC

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General

Target

_lzma.dll
Size

181KB
MD5

b1abe0da66ec97e4aff97f1bd5203434
SHA1

c3bd39814c4f01b57a442da50ed515e7dfd05a8a
SHA256

ee4f276ec7f0b34acd38361023173d6113d97a7de17d28a4fbbd286fe5ce2f28
SHA512

47556e4c65aa04853520c92fdb1f88bb03ab7f4478bfc60e15186f6109cf659e68d458a7b1090a063a0f771c6eb835582464a646456d9e7f82534854c74f83b0
SSDEEP

3072:tez7m1+Dj2ykm6e+gyd1uBSsPc5S/BPkG23pS17tvtjVNgGoY+7l1/3gOi7atzHo:8zDj2ykm6e+hd1uB1D+7zg5s1YO+RR0E

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2180	2640	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2640	2384	rundll32.exe	30
PID 2384 wrote to memory of 2640	2384	rundll32.exe	30
PID 2384 wrote to memory of 2640	2384	rundll32.exe	30
PID 2384 wrote to memory of 2640	2384	rundll32.exe	30
PID 2384 wrote to memory of 2640	2384	rundll32.exe	30
PID 2384 wrote to memory of 2640	2384	rundll32.exe	30
PID 2384 wrote to memory of 2640	2384	rundll32.exe	30
PID 2640 wrote to memory of 2180	2640	rundll32.exe	31
PID 2640 wrote to memory of 2180	2640	rundll32.exe	31
PID 2640 wrote to memory of 2180	2640	rundll32.exe	31
PID 2640 wrote to memory of 2180	2640	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_lzma.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_lzma.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 220
    3⤵
    - Program crash
    PID:2180

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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