fe9ef92c748a292553f5a2b93fae0154750581642ececf5671ea68013ee51066

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02-02-2024 16:15

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General

Target

Setup/locales/fa.pak
Size

535KB
MD5

c27431f2de37b9643b83e383f7eae5a8
SHA1

16d068d9738e1aa9b94658299a4eac3972520864
SHA256

bb28ad47e95aefaa2d8d7b6a7f449f9707cfadbcd4c21bad8bd8a6578108d2cd
SHA512

4ccc46dc7756ea0e60e6d278bcac1262a54ba03742fd0eb4d9f1f962486394fa56491844871dacb4cb0501c6f594334d3f23f3db82bfdfa1f938e1ae609d6600
SSDEEP

12288:aGz43DX9nuya1jfwHLwNUaGSSfStQvueKT+JwMTAKzIxRAQiHedNu3htodxWetlh:aF3luya1jfwrwNUaGSSfStQvueKT+Jw7

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\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2688	2232	cmd.exe	29
PID 2232 wrote to memory of 2688	2232	cmd.exe	29
PID 2232 wrote to memory of 2688	2232	cmd.exe	29
PID 2688 wrote to memory of 2760	2688	rundll32.exe	30
PID 2688 wrote to memory of 2760	2688	rundll32.exe	30
PID 2688 wrote to memory of 2760	2688	rundll32.exe	30
PID 2688 wrote to memory of 2760	2688	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Setup\locales\fa.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Setup\locales\fa.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\Setup\locales\fa.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2760

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

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Downloads

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

Filesize
3KB

MD5
406fd119fa1ce708e2ba7adba89ca301

SHA1
b2ecfacee33a7a0b2ff73d70f9c3d3428965af55

SHA256
fbce30f2d287ef0943df6dbc0fe93e4da2d59eab42a043467817b763b337eac1

SHA512
563a9480a5f3397e9415e49fb431f1f738398679a9afd0a10b884ff2271eeae9f7b99449b13b9f2396f957b8a58fafd460cca9e8740532585a0b4fe04ced91bd

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