d1d5f8c21e7111ca5a3a03d0fc6fed418af963d49b24980e1730057a5e5e8745

Analysis

max time kernel
1558s
max time network
1559s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 02:17

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General

Target
kiracro-toggle.pyc
Size 4KB
Sample240329-cqt1qsff23
SHA256 5007d84253de6d6e9415f343825df58a6013103c3ad3dfc36ecae932448cca45
MD5 f86b6856d307e5dc2cbb21a6e0a3ac6b
SHA1 e42a0cee8682050da78f43baab3270c48e6c3e74
SHA512 089ed94595e11909ec78d8807f30899443109c3f6dc1af28e7e22edd8763b9f6b5a086d8a17e6ca82eb77c8e3dcc380d8f383a208a6d571e2b45f5cdae63493b
SSDEEP 96:s3np/CJjV15CCnDa0MIXvxDqOPBT+mMINuEln:s3UV1sC20jV8XEl
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
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\command	rundll32.exe
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
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
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\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2640	AcroRd32.exe
2640	AcroRd32.exe
2640	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 3028	2196	cmd.exe	29
PID 2196 wrote to memory of 3028	2196	cmd.exe	29
PID 2196 wrote to memory of 3028	2196	cmd.exe	29
PID 3028 wrote to memory of 2640	3028	rundll32.exe	30
PID 3028 wrote to memory of 2640	3028	rundll32.exe	30
PID 3028 wrote to memory of 2640	3028	rundll32.exe	30
PID 3028 wrote to memory of 2640	3028	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\kiracro-toggle.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\kiracro-toggle.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3028
- - 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\kiracro-toggle.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2640

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 231fb262a577fa73b8ed9fcc01fa81b832a6fc4e0282345c63d48795f07ec23b
MD5 d9e0e078bc6713fe4d8edbee644b7137
SHA1 b63e42f6ee0602178a28a86f1f0004282b5a0971
SHA512 09515f327b7664cbbb7375d11f4ccd80b897c317581e1a44af12c3401f947bcde51436da9e55fd80f10aa16ccbb26f87ee566c5cecec9db3f668f651ff0454bf
MD5 SHA1 SHA512

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