f74a126ba4569255303a09f0d338d13c845f55d1887e343b32b7b35ff47d183f

Analysis

max time kernel
146s
max time network
137s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/01/2024, 15:06

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General

Target

electron.pyc
Size

49KB
MD5

bb740a4f65e028e5d1690322ab1818ff
SHA1

637c1ccdda0bf70e6abc210cb752d9320c9dd8cb
SHA256

2ac114d284e3385b560ba6219ce7ee3d383f8476143cdc2acd5c53e842184296
SHA512

5a7304dbd3b6f4964855329387c94d3e26ced7d1311f36844cd5e1ee0f07d51d28e0757ce2c38593d37c772e7610a63a8b9009ab07c8226ed34feddcfe529620
SSDEEP

1536:t9MWmRrCiwIgg7YVFZLSCuj0yp/AqDlhLxaUSgeC:cEiRz2FZLSCsJ5qUaC

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-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_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-1-5-21-3308111660-3636268597-2291490419-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\pyc_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
756	AcroRd32.exe
756	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2596	2896	cmd.exe	30
PID 2896 wrote to memory of 2596	2896	cmd.exe	30
PID 2896 wrote to memory of 2596	2896	cmd.exe	30
PID 2596 wrote to memory of 756	2596	rundll32.exe	32
PID 2596 wrote to memory of 756	2596	rundll32.exe	32
PID 2596 wrote to memory of 756	2596	rundll32.exe	32
PID 2596 wrote to memory of 756	2596	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\electron.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\electron.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2596
- - 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\electron.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:756

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
06b34cea5f397aa422b6cdb0fed9abdc

SHA1
9e7e8a725525d9cc65f7a4f8925778cf5062f712

SHA256
881fb817b0e11b1148b78bf986c9d2ea4748a1cfcfbd22ede6afa59d00d29a78

SHA512
8108500ec3769f7cac5c4680963857cb86ddbc21ad0e8c29a7cf264b038931a70382eeb560226656d4ddcbf9af6f6167cd27c2aadab9084ee35cab2d7d8a56dc

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