d44dd728b43d1868d0d7422616457cd79d909d4413846969c8541ef871cba7cb

Analysis

max time kernel
133s
max time network
136s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24/08/2023, 11:36

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General

Target

_abvtsr4_F.ia.dll
Size

66.9MB
MD5

1735da610291af50447c1639fa773e8f
SHA1

45a3fcd4a1825ea016be63bdbd75341c0bc34d2e
SHA256

884fa59a4f7e52d7cafedb3f2db2301b88dc247a27fb58e5cd1475341606c124
SHA512

f26a9f54ac9650b3222eec593de510ebc150f241ead9ee48174956f4425f5a59ac369a1d41e33f4429b6f41961a8cfbc14727170de3ef2c5be7e89e6fbc7e8b9
SSDEEP

196608:Zh6D1KZpeSFfeE4RL953hFfLDW1XGrnWh:QsZ59eE4753PLnrWh

Score

7^/10

themida

Malware Config

Signatures

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral3/memory/1672-0-0x000000006B760000-0x000000006FA64000-memory.dmp	themida
behavioral3/memory/1672-1-0x000000006B760000-0x000000006FA64000-memory.dmp	themida
behavioral3/memory/1672-2-0x000000006B760000-0x000000006FA64000-memory.dmp	themida
behavioral3/memory/1672-4-0x000000006B760000-0x000000006FA64000-memory.dmp	themida

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	1672	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1672	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 1672	748	rundll32.exe	28
PID 748 wrote to memory of 1672	748	rundll32.exe	28
PID 748 wrote to memory of 1672	748	rundll32.exe	28
PID 748 wrote to memory of 1672	748	rundll32.exe	28
PID 748 wrote to memory of 1672	748	rundll32.exe	28
PID 748 wrote to memory of 1672	748	rundll32.exe	28
PID 748 wrote to memory of 1672	748	rundll32.exe	28
PID 1672 wrote to memory of 2796	1672	rundll32.exe	29
PID 1672 wrote to memory of 2796	1672	rundll32.exe	29
PID 1672 wrote to memory of 2796	1672	rundll32.exe	29
PID 1672 wrote to memory of 2796	1672	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.ia.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.ia.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 648
    3⤵
    - Program crash
    PID:2796

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

Replay Monitor

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Downloads

memory/1672-0-0x000000006B760000-0x000000006FA64000-memory.dmp

Filesize
67.0MB

Download
memory/1672-1-0x000000006B760000-0x000000006FA64000-memory.dmp

Filesize
67.0MB

Download
memory/1672-2-0x000000006B760000-0x000000006FA64000-memory.dmp

Filesize
67.0MB

Download
memory/1672-4-0x000000006B760000-0x000000006FA64000-memory.dmp

Filesize
67.0MB

Download