c255b6ad7a6523ab6c7da49e3b1fd67b63fbad57a4e0b2039488a5796bb2685a

Analysis

max time kernel
10s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 05:59

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General

Target

58502fff04bbd6047c4a4dfebc720c21.exe
Size

52KB
MD5

58502fff04bbd6047c4a4dfebc720c21
SHA1

0aa086ace22a5f3d95b1471163889036a292ed9c
SHA256

c255b6ad7a6523ab6c7da49e3b1fd67b63fbad57a4e0b2039488a5796bb2685a
SHA512

a712ab43244c25e1af857e2dc343a364b1cf4390740675b30c92a4c5714be1d475c20d99b1158df4cca22543fa5c1069add87366c64f801189a527832ade1c0e
SSDEEP

384:2UJOEJ1EJpEJl4pdzE3Phnc0LiW3r2OwsrTY:zN8kLOdzknc02Wb2A

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ietlbass.dll	58502fff04bbd6047c4a4dfebc720c21.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1976	2312	58502fff04bbd6047c4a4dfebc720c21.exe	15
PID 2312 wrote to memory of 1976	2312	58502fff04bbd6047c4a4dfebc720c21.exe	15
PID 2312 wrote to memory of 1976	2312	58502fff04bbd6047c4a4dfebc720c21.exe	15
PID 2312 wrote to memory of 1976	2312	58502fff04bbd6047c4a4dfebc720c21.exe	15
PID 2312 wrote to memory of 1976	2312	58502fff04bbd6047c4a4dfebc720c21.exe	15
PID 2312 wrote to memory of 1976	2312	58502fff04bbd6047c4a4dfebc720c21.exe	15
PID 2312 wrote to memory of 1976	2312	58502fff04bbd6047c4a4dfebc720c21.exe	15

C:\Users\Admin\AppData\Local\Temp\58502fff04bbd6047c4a4dfebc720c21.exe
"C:\Users\Admin\AppData\Local\Temp\58502fff04bbd6047c4a4dfebc720c21.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:1976
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2748
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2644
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2816
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2640
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2992
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:1524
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2524
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2868
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2184
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2500
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:1644
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:640
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:692
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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