c85e5240da0e9d06677278f01c55f7d2611641ebeeafff9529e383e6948fd9ee

Analysis

max time kernel
18s
max time network
17s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
10/06/2024, 06:41

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General

Target
sigthief.pyc
Size 6KB
Sample240610-hf1nesea77
SHA256 ce721f5b11024398d7cd9dee3c09a8f0808ad47e41ddd8bad353915f5c4ba929
MD5 bd259b78802e5d16e6e9270c24696abf
SHA1 1450f17973f7226687d6bfde7b6a5de32b88d673
SHA512 5170b410775c1ecbe80f333f598069858eeb0acddd0411c5a40c2945a85805ea6e6797690afb19d3c069e62bd11341c5cabb9f757c1c7fe409b4077c6b2173c8
SSDEEP 192:EHmxQlq2qYEqG2myU2jNrvH9qN91HPJzRJuZs03i:EGxQY/YEqGqUKc5+s0y
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2560	2892	cmd.exe	29
PID 2892 wrote to memory of 2560	2892	cmd.exe	29
PID 2892 wrote to memory of 2560	2892	cmd.exe	29
PID 2560 wrote to memory of 2604	2560	rundll32.exe	30
PID 2560 wrote to memory of 2604	2560	rundll32.exe	30
PID 2560 wrote to memory of 2604	2560	rundll32.exe	30
PID 2560 wrote to memory of 2604	2560	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sigthief.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sigthief.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\sigthief.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2604

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 435c11a91d0e46cbc7973227023d2ebd55ff4d9cff4cbb4a1215c2a3e0ef780e
MD5 8e3406ce2286f216bcafbf56b7af9e7d
SHA1 b5538b8012e4de44780a0658b3d8069edf7ef8bc
SHA512 8486551c83b67dc36af7867b522700836ee8ae3dbbe1d65bd8ceb78b8b602c7150ee28c15d66bf6c1d6217626323cb0ee89a817538fad5c0eb855cf31ad9a73c
MD5 SHA1 SHA512

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