df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-08-2024 03:54

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General

Target

df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82.exe
Size

61KB
MD5

a18ce4e28bb6d6601d6b5c36c4f8c3c0
SHA1

0f47e99afec7a13439b9291d862e5b437c610840
SHA256

df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82
SHA512

2fe7949bc01762ae725006854bb0a8a933333bb1445555b2a0f012eb27847f073acd475fd21a221597fd45289ee20d0383d37fb29eda6556fe8cacf04cf61352
SSDEEP

768:peJIvFKPZo2smEasjcj29NWngAHxcwKppEaxglaX5uA:pQIvEPZo6Ead29NQgA2wzle5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3920	ewiuer2.exe
904	ewiuer2.exe
4172	ewiuer2.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ewiuer2.exe	ewiuer2.exe
File opened for modification	C:\Windows\SysWOW64\viesazm.mpk	ewiuer2.exe
File created	C:\Windows\SysWOW64\ewiuer2.exe	ewiuer2.exe
File opened for modification	C:\Windows\SysWOW64\viesazm.mpk	ewiuer2.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	ewiuer2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ewiuer2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ewiuer2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 3920	4772	df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82.exe	83
PID 4772 wrote to memory of 3920	4772	df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82.exe	83
PID 4772 wrote to memory of 3920	4772	df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82.exe	83
PID 3920 wrote to memory of 904	3920	ewiuer2.exe	89
PID 3920 wrote to memory of 904	3920	ewiuer2.exe	89
PID 3920 wrote to memory of 904	3920	ewiuer2.exe	89
PID 904 wrote to memory of 4172	904	ewiuer2.exe	91
PID 904 wrote to memory of 4172	904	ewiuer2.exe	91
PID 904 wrote to memory of 4172	904	ewiuer2.exe	91

C:\Users\Admin\AppData\Local\Temp\df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82.exe
"C:\Users\Admin\AppData\Local\Temp\df97654d5646c4b709d5267e2160e8c0399288b62378b64b9cbc81ab667a8c82.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Users\Admin\AppData\Roaming\ewiuer2.exe
  C:\Users\Admin\AppData\Roaming\ewiuer2.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3920
- - C:\Windows\SysWOW64\ewiuer2.exe
    C:\Windows\System32\ewiuer2.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:904
  - - C:\Windows\SysWOW64\ewiuer2.exe
      C:\Windows\SysWOW64\ewiuer2.exe /nomove
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      PID:4172

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

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Downloads

C:\Users\Admin\AppData\Roaming\ewiuer2.exe

Filesize
61KB

MD5
a8c42a5805266698ce43123ae5e21135

SHA1
29c5dd2e1b0b2bbc52f521466dcc8bc01be41515

SHA256
142519ba711765d2b78499ac18a10937c160f079cd31ade023b1373ccea4fddd

SHA512
7270c42331edcefdcb33a70045a23fe0613fcb057575ca9d6da721462f6c8b74ce6c91edc38ff1ba25f6b31ed8355f8710c092cb62bf800bfc72522913ea3475

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C:\Windows\SysWOW64\ewiuer2.exe

Filesize
61KB

MD5
3396581eabcd14f6a8a1281c02b8444b

SHA1
ab47d3a16c271accef87ebf6cc1f8d8347e02454

SHA256
1657c199973f25d0283f750e072d5926c72937e7de305fa7019755e5c79a963c

SHA512
d679707bf9114527e70b7d8b45ed52340581eaf287b173c83b5027fb425202d2367bfe4bb53149f5c6f09d1984d79adb929f62728e74004ccc8420690ccbbcec

Download Submit