564474f891b8da92851e93c2dfaeb67274abd69b6498ada12665a72fe00e69de

Analysis

max time kernel
121s
max time network
131s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 10:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/am.pak
Size

569KB
MD5

2c933f084d960f8094e24bee73fa826c
SHA1

91dfddc2cff764275872149d454a8397a1a20ab1
SHA256

fa1e44215bd5acc7342c431a3b1fddb6e8b6b02220b4599167f7d77a29f54450
SHA512

3c9ecfb0407de2aa6585f4865ad54eeb2ec6519c9d346e2d33ed0e30be6cc3ebfed676a08637d42c2ca8fa6cfefb4091feb0c922ff71f09a2b89cdd488789774
SSDEEP

12288:QqhqEuPxT8xZTtWosuF9Q5m9yAAVzfukCQox30jH8+I:Zh8T8xTWoZF9Q5m9yAAVzXCQ0

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_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-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2692	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2692	AcroRd32.exe
2692	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2644	2484	cmd.exe	32
PID 2484 wrote to memory of 2644	2484	cmd.exe	32
PID 2484 wrote to memory of 2644	2484	cmd.exe	32
PID 2644 wrote to memory of 2692	2644	rundll32.exe	33
PID 2644 wrote to memory of 2692	2644	rundll32.exe	33
PID 2644 wrote to memory of 2692	2644	rundll32.exe	33
PID 2644 wrote to memory of 2692	2644	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\am.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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\am.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
5d41206bff07d0689276e9b9f4fcf109

SHA1
c8493271cb3ae730b396a978d3632d3028496dd9

SHA256
4e504de92a35ba9d651c4b23336015e5fbaf8851cebefc3e8fe19eec2d08ce6a

SHA512
e01f6b401de06f9e6dcd2e1f256027f74ad59b2f2a6afc13b313df4c46a3286827849e4bd167d48214b53e64f0bd3a214e53c76b5f343b2a0eb1c617a7a9f8b0

Download Submit