bd1920a812ea60374eadd1aa605890cde648b7e678d3792bb4b958056a72a1e7

Analysis

max time kernel
44s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
07/12/2022, 06:38

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General

Target

wininfo64/lib32.exe
Size

2.2MB
MD5

286de0123129cb1bdb0533301f435746
SHA1

28887e5a7c28661db7b3d4da3612bafd05604813
SHA256

a1923ce6f95ba7e57b9d8ea27c1867283cacbc992a0f9e16ec9dd864930d9d71
SHA512

07da8387eeffada23d39eed1390972e37031ea72a2f8a046027ac160f8ecef81ba3011698dac5fafc5114fe688796b1bc7c4df8a283dc1e23f76f0a2faf0b0bc
SSDEEP

49152:IhgaZCojYG3CmQYbfHxDJ6aiyc7jntoe:IhggwdY7d0tV

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Acrobat\\update.exe\""	lib32.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
892	powershell.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe
1104	lib32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	lib32.exe
Token: SeDebugPrivilege	892	powershell.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 892	1104	lib32.exe	27
PID 1104 wrote to memory of 892	1104	lib32.exe	27
PID 1104 wrote to memory of 892	1104	lib32.exe	27
PID 1104 wrote to memory of 892	1104	lib32.exe	27
PID 1104 wrote to memory of 800	1104	lib32.exe	29
PID 1104 wrote to memory of 800	1104	lib32.exe	29
PID 1104 wrote to memory of 800	1104	lib32.exe	29
PID 1104 wrote to memory of 800	1104	lib32.exe	29
PID 1104 wrote to memory of 1496	1104	lib32.exe	30
PID 1104 wrote to memory of 1496	1104	lib32.exe	30
PID 1104 wrote to memory of 1496	1104	lib32.exe	30
PID 1104 wrote to memory of 1496	1104	lib32.exe	30
PID 1104 wrote to memory of 1488	1104	lib32.exe	31
PID 1104 wrote to memory of 1488	1104	lib32.exe	31
PID 1104 wrote to memory of 1488	1104	lib32.exe	31
PID 1104 wrote to memory of 1488	1104	lib32.exe	31
PID 1104 wrote to memory of 1352	1104	lib32.exe	32
PID 1104 wrote to memory of 1352	1104	lib32.exe	32
PID 1104 wrote to memory of 1352	1104	lib32.exe	32
PID 1104 wrote to memory of 1352	1104	lib32.exe	32
PID 1104 wrote to memory of 1156	1104	lib32.exe	33
PID 1104 wrote to memory of 1156	1104	lib32.exe	33
PID 1104 wrote to memory of 1156	1104	lib32.exe	33
PID 1104 wrote to memory of 1156	1104	lib32.exe	33
PID 1104 wrote to memory of 816	1104	lib32.exe	34
PID 1104 wrote to memory of 816	1104	lib32.exe	34
PID 1104 wrote to memory of 816	1104	lib32.exe	34
PID 1104 wrote to memory of 816	1104	lib32.exe	34
PID 1104 wrote to memory of 612	1104	lib32.exe	35
PID 1104 wrote to memory of 612	1104	lib32.exe	35
PID 1104 wrote to memory of 612	1104	lib32.exe	35
PID 1104 wrote to memory of 612	1104	lib32.exe	35
PID 1104 wrote to memory of 300	1104	lib32.exe	36
PID 1104 wrote to memory of 300	1104	lib32.exe	36
PID 1104 wrote to memory of 300	1104	lib32.exe	36
PID 1104 wrote to memory of 300	1104	lib32.exe	36
PID 1104 wrote to memory of 1112	1104	lib32.exe	37
PID 1104 wrote to memory of 1112	1104	lib32.exe	37
PID 1104 wrote to memory of 1112	1104	lib32.exe	37
PID 1104 wrote to memory of 1112	1104	lib32.exe	37
PID 1104 wrote to memory of 1580	1104	lib32.exe	38
PID 1104 wrote to memory of 1580	1104	lib32.exe	38
PID 1104 wrote to memory of 1580	1104	lib32.exe	38
PID 1104 wrote to memory of 1580	1104	lib32.exe	38

C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
"C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAxAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:892
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:800
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:1496
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:1488
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:1352
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:1156
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:816
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:612
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:300
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:1112
- C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  C:\Users\Admin\AppData\Local\Temp\wininfo64\lib32.exe
  2⤵
  PID:1580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/892-57-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/892-58-0x000000006EAA0000-0x000000006F04B000-memory.dmp

Filesize
5.7MB

Download
memory/892-59-0x000000006EAA0000-0x000000006F04B000-memory.dmp

Filesize
5.7MB

Download
memory/892-60-0x000000006EAA0000-0x000000006F04B000-memory.dmp

Filesize
5.7MB

Download
memory/1104-54-0x00000000002B0000-0x00000000004E8000-memory.dmp

Filesize
2.2MB

Download
memory/1104-55-0x00000000049B0000-0x0000000004BDE000-memory.dmp

Filesize
2.2MB

Download