f8a2c7bf6611cc965e76f1286fc460ec47f3d7e4353877716417cd8b553b2667

Analysis

max time kernel
1562s
max time network
1566s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 00:54

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General

Target
locales/te.pak
Size 294KB
Sample240203-a89sssdbd6
SHA256 e90c0e5f1727238898b77017bdd46c89d1d504dc2e0ad0a9d8e73a48e6d2fdc6
MD5 8e751cef31655c77feead2fdf3186cc0
SHA1 760dc42013105a282d0fd960849852c031128b63
SHA512 dc49008af0200159371a3550613b8d7b90391169add9f6fb69005eb4bfd2363a82585507075034d835bdb65fb9f750a009a18dab589209f34b1f8e1374d8d01b
SSDEEP 6144:h6MbAfAYbTaJAuJLtobDpOr/gTipfJiUvqdWASw6Q7wdis5eRNwV6L8M:h6MaAYbTaJAuJLtobDpOr/gTipfJiUv6
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-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2648	2264	cmd.exe	29
PID 2264 wrote to memory of 2648	2264	cmd.exe	29
PID 2264 wrote to memory of 2648	2264	cmd.exe	29
PID 2648 wrote to memory of 2752	2648	rundll32.exe	30
PID 2648 wrote to memory of 2752	2648	rundll32.exe	30
PID 2648 wrote to memory of 2752	2648	rundll32.exe	30
PID 2648 wrote to memory of 2752	2648	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\te.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\te.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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\locales\te.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2752

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 de1742ec6f6704c22e8c641e8ef2b2bd9c13765122a879e7bdd26bbb6241a1a9
MD5 793987c74e3c684be92e5f00f276fe1c
SHA1 7b8dd4f7ca14c1975a912580c2b4e4014c7a0512
SHA512 c2cf610f58d1ed122353a6517a55822a2e169cf816e08ecae8e6a0e7bca9f211cdce429c2f4856cd05b63044c5715aa9c8e10693f679f7e6b2250ce8e94c25c7
MD5 SHA1 SHA512

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