4ee9fa607a450cd22a9c38366de6141899e1311d75feecc6838f559acbc5a005

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 14:29

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General

Target

1b7243811b0c420887f628b58542b8bd.exe
Size

1020KB
MD5

1b7243811b0c420887f628b58542b8bd
SHA1

ecc7f5ef1e672e3adb66faf5f0421505df05981e
SHA256

4ee9fa607a450cd22a9c38366de6141899e1311d75feecc6838f559acbc5a005
SHA512

7b68345f6f32c7e4c023c37bf3de66a37afb1f2aabf0e2cc84dd8ff1a787b28e3abc306d66020cbd34b187dd945ada9e96e191edb81520a018044dcecf4222a6
SSDEEP

12288:Db9xnx1VDyHG/Rwt0dVBFWIgdssyi1lwLVab5gz/aQpEqVzjpPpt3Owwbu6WfKan:ffgYRw2zAyubuTCUtRH5zfRGjAP8A

Score

7^/10

evasion themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Wine	1b7243811b0c420887f628b58542b8bd.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2932-0-0x0000000000400000-0x00000000005D5000-memory.dmp	themida
behavioral1/memory/2932-5-0x0000000000400000-0x00000000005D5000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2932	1b7243811b0c420887f628b58542b8bd.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2932	1b7243811b0c420887f628b58542b8bd.exe
2932	1b7243811b0c420887f628b58542b8bd.exe
2932	1b7243811b0c420887f628b58542b8bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 1200	2932	1b7243811b0c420887f628b58542b8bd.exe	18
PID 2932 wrote to memory of 1200	2932	1b7243811b0c420887f628b58542b8bd.exe	18
PID 2932 wrote to memory of 1200	2932	1b7243811b0c420887f628b58542b8bd.exe	18
PID 2932 wrote to memory of 1200	2932	1b7243811b0c420887f628b58542b8bd.exe	18
PID 2932 wrote to memory of 1200	2932	1b7243811b0c420887f628b58542b8bd.exe	18
PID 2932 wrote to memory of 1200	2932	1b7243811b0c420887f628b58542b8bd.exe	18

C:\Users\Admin\AppData\Local\Temp\1b7243811b0c420887f628b58542b8bd.exe
"C:\Users\Admin\AppData\Local\Temp\1b7243811b0c420887f628b58542b8bd.exe"
1⤵
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2932

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-3-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download
memory/1200-13-0x000000007EFC0000-0x000000007EFC6000-memory.dmp

Filesize
24KB

Download
memory/2932-0-0x0000000000400000-0x00000000005D5000-memory.dmp

Filesize
1.8MB

Download
memory/2932-2-0x00000000040D0000-0x00000000040D2000-memory.dmp

Filesize
8KB

Download
memory/2932-5-0x0000000000400000-0x00000000005D5000-memory.dmp

Filesize
1.8MB

Download
memory/2932-7-0x00000000040E0000-0x00000000040E1000-memory.dmp

Filesize
4KB

Download
memory/2932-8-0x00000000040C0000-0x00000000040C1000-memory.dmp

Filesize
4KB

Download
memory/2932-9-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download