d061b00ae7fe24292aa023285dbaa0103e790e7a4b381f8fe2ea9cb39b3e8d59

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 21:44

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General

Target

DrexyPerm.exe
Size

82KB
MD5

229c6302a564d89feb7c03bf56a24fa2
SHA1

3f259fe6a0749ac674e1cc1c16dd8f36d600dec9
SHA256

d061b00ae7fe24292aa023285dbaa0103e790e7a4b381f8fe2ea9cb39b3e8d59
SHA512

13bc74150181a970b2e5c234cfbb71879f36e1e91cab2e14c1201067b33ddaa9f0c0c9b5003a6ef4511b20695ff411d74e670f55cdc328c9a71253aebdd20a24
SSDEEP

1536:o2Y0VNblnigen1FQGpaika1PASjg/o9RF:o23rbZi/8GprF3jg/o/F

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2904	2448	DrexyPerm.exe	89
PID 2448 wrote to memory of 2904	2448	DrexyPerm.exe	89
PID 2448 wrote to memory of 2904	2448	DrexyPerm.exe	89
PID 2904 wrote to memory of 4084	2904	cmd.exe	90
PID 2904 wrote to memory of 4084	2904	cmd.exe	90
PID 2904 wrote to memory of 4084	2904	cmd.exe	90
PID 2448 wrote to memory of 3672	2448	DrexyPerm.exe	91
PID 2448 wrote to memory of 3672	2448	DrexyPerm.exe	91
PID 2448 wrote to memory of 3672	2448	DrexyPerm.exe	91
PID 2448 wrote to memory of 64	2448	DrexyPerm.exe	92
PID 2448 wrote to memory of 64	2448	DrexyPerm.exe	92
PID 2448 wrote to memory of 64	2448	DrexyPerm.exe	92
PID 2448 wrote to memory of 3004	2448	DrexyPerm.exe	93
PID 2448 wrote to memory of 3004	2448	DrexyPerm.exe	93
PID 2448 wrote to memory of 3004	2448	DrexyPerm.exe	93
PID 2448 wrote to memory of 4876	2448	DrexyPerm.exe	94
PID 2448 wrote to memory of 4876	2448	DrexyPerm.exe	94
PID 2448 wrote to memory of 4876	2448	DrexyPerm.exe	94
PID 4876 wrote to memory of 2052	4876	cmd.exe	95
PID 4876 wrote to memory of 2052	4876	cmd.exe	95
PID 4876 wrote to memory of 2052	4876	cmd.exe	95
PID 2448 wrote to memory of 1044	2448	DrexyPerm.exe	96
PID 2448 wrote to memory of 1044	2448	DrexyPerm.exe	96
PID 2448 wrote to memory of 1044	2448	DrexyPerm.exe	96
PID 2448 wrote to memory of 2328	2448	DrexyPerm.exe	97
PID 2448 wrote to memory of 2328	2448	DrexyPerm.exe	97
PID 2448 wrote to memory of 2328	2448	DrexyPerm.exe	97
PID 2448 wrote to memory of 2208	2448	DrexyPerm.exe	98
PID 2448 wrote to memory of 2208	2448	DrexyPerm.exe	98
PID 2448 wrote to memory of 2208	2448	DrexyPerm.exe	98
PID 2448 wrote to memory of 4176	2448	DrexyPerm.exe	99
PID 2448 wrote to memory of 4176	2448	DrexyPerm.exe	99
PID 2448 wrote to memory of 4176	2448	DrexyPerm.exe	99

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2052	attrib.exe

C:\Users\Admin\AppData\Local\Temp\DrexyPerm.exe
"C:\Users\Admin\AppData\Local\Temp\DrexyPerm.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c mode con:cols=0120 lines=0030
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\mode.com
    mode con:cols=0120 lines=0030
    3⤵
    PID:4084
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c title Window Title
  2⤵
  PID:3672
- 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:64
- 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:3004
- 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:4876
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h C:\Users\Admin\AppData\Local\Temp\wtmpd
    3⤵
    - Views/modifies file attributes
    PID:2052
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c echo:0>C:\Users\Admin\AppData\Local\Temp\i6.t
  2⤵
  PID:1044
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\i6.bat
  2⤵
  PID:2328
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c
  2⤵
  PID:2208
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c pause
  2⤵
  PID:4176

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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