71c645b58cf6bd0d7919901fdd9c3654d5ec269c4678c2e58726585c3bf9612a

Analysis

max time kernel
19s
max time network
16s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 13:35

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General

Target

wallpaper.bat.exe
Size

97KB
MD5

2b27ae48cb717f92fec9d4c62f9b058a
SHA1

6ba23ca2620ae39dccdcdce947db7c3d229c939a
SHA256

71c645b58cf6bd0d7919901fdd9c3654d5ec269c4678c2e58726585c3bf9612a
SHA512

5bbadcede2f96beeb4a46e82d7a44ec559ff8271ca0495bb5b9c4a0e6270203da43d9dc277e6b3c88c93edecab980a71990f2878233a9d2b212e4072c483270e
SSDEEP

1536:Y2Y0VNblnigen1FQGpaika1PASjg/oCRNd+FXIhUBZ:Y23rbZi/8GprF3jg/oMNd4I+f

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2732	2940	wallpaper.bat.exe	29
PID 2940 wrote to memory of 2732	2940	wallpaper.bat.exe	29
PID 2940 wrote to memory of 2732	2940	wallpaper.bat.exe	29
PID 2940 wrote to memory of 2732	2940	wallpaper.bat.exe	29
PID 2732 wrote to memory of 1936	2732	cmd.exe	30
PID 2732 wrote to memory of 1936	2732	cmd.exe	30
PID 2732 wrote to memory of 1936	2732	cmd.exe	30
PID 2732 wrote to memory of 1936	2732	cmd.exe	30
PID 2940 wrote to memory of 2076	2940	wallpaper.bat.exe	31
PID 2940 wrote to memory of 2076	2940	wallpaper.bat.exe	31
PID 2940 wrote to memory of 2076	2940	wallpaper.bat.exe	31
PID 2940 wrote to memory of 2076	2940	wallpaper.bat.exe	31
PID 2940 wrote to memory of 2560	2940	wallpaper.bat.exe	32
PID 2940 wrote to memory of 2560	2940	wallpaper.bat.exe	32
PID 2940 wrote to memory of 2560	2940	wallpaper.bat.exe	32
PID 2940 wrote to memory of 2560	2940	wallpaper.bat.exe	32
PID 2940 wrote to memory of 2968	2940	wallpaper.bat.exe	33
PID 2940 wrote to memory of 2968	2940	wallpaper.bat.exe	33
PID 2940 wrote to memory of 2968	2940	wallpaper.bat.exe	33
PID 2940 wrote to memory of 2968	2940	wallpaper.bat.exe	33
PID 2940 wrote to memory of 2072	2940	wallpaper.bat.exe	34
PID 2940 wrote to memory of 2072	2940	wallpaper.bat.exe	34
PID 2940 wrote to memory of 2072	2940	wallpaper.bat.exe	34
PID 2940 wrote to memory of 2072	2940	wallpaper.bat.exe	34
PID 2072 wrote to memory of 2596	2072	cmd.exe	35
PID 2072 wrote to memory of 2596	2072	cmd.exe	35
PID 2072 wrote to memory of 2596	2072	cmd.exe	35
PID 2072 wrote to memory of 2596	2072	cmd.exe	35
PID 2940 wrote to memory of 2640	2940	wallpaper.bat.exe	36
PID 2940 wrote to memory of 2640	2940	wallpaper.bat.exe	36
PID 2940 wrote to memory of 2640	2940	wallpaper.bat.exe	36
PID 2940 wrote to memory of 2640	2940	wallpaper.bat.exe	36
PID 2940 wrote to memory of 2660	2940	wallpaper.bat.exe	37
PID 2940 wrote to memory of 2660	2940	wallpaper.bat.exe	37
PID 2940 wrote to memory of 2660	2940	wallpaper.bat.exe	37
PID 2940 wrote to memory of 2660	2940	wallpaper.bat.exe	37
PID 2940 wrote to memory of 2644	2940	wallpaper.bat.exe	38
PID 2940 wrote to memory of 2644	2940	wallpaper.bat.exe	38
PID 2940 wrote to memory of 2644	2940	wallpaper.bat.exe	38
PID 2940 wrote to memory of 2644	2940	wallpaper.bat.exe	38
PID 2940 wrote to memory of 2608	2940	wallpaper.bat.exe	39
PID 2940 wrote to memory of 2608	2940	wallpaper.bat.exe	39
PID 2940 wrote to memory of 2608	2940	wallpaper.bat.exe	39
PID 2940 wrote to memory of 2608	2940	wallpaper.bat.exe	39

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2596	attrib.exe

C:\Users\Admin\AppData\Local\Temp\wallpaper.bat.exe
"C:\Users\Admin\AppData\Local\Temp\wallpaper.bat.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c mode con:cols=0120 lines=0030
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\mode.com
    mode con:cols=0120 lines=0030
    3⤵
    PID:1936
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c title wallpaper
  2⤵
  PID:2076
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c if not exist "C:\Users\Admin\AppData\Local\Temp\myfiles" mkdir "C:\Users\Admin\AppData\Local\Temp\myfiles"
  2⤵
  PID:2560
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c if not exist "C:\Users\Admin\AppData\Local\Temp\wtmpd" mkdir "C:\Users\Admin\AppData\Local\Temp\wtmpd"
  2⤵
  PID:2968
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib +h C:\Users\Admin\AppData\Local\Temp\wtmpd
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h C:\Users\Admin\AppData\Local\Temp\wtmpd
    3⤵
    - Views/modifies file attributes
    PID:2596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c echo:0>C:\Users\Admin\AppData\Local\Temp\i6.t
  2⤵
  PID:2640
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\i6.bat
  2⤵
  PID:2660
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c
  2⤵
  PID:2644
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c pause
  2⤵
  PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\i6.bat

Filesize
173B

MD5
0f8f70e88009593eefaa155a8e31b1d6

SHA1
eabcc3f2135e0919e9456da0a4b1084f3382d4b6

SHA256
941c169c07670650fc6c6148c1cae068b69bac209e05010594e164aafc7cdf8b

SHA512
94df468b963f3c9d133a25e1ffa57039fac01fe960f0f738552ca6440e6242ff48d0b410fe70dd05a62e4842c925c9f2b0220ca9eb9cb4ff5490ada443c9a750

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