2f5a2111686d0014d333d7a0c6e2d1075b4430dec0ff4433ab6d8e624d7bbfcd

Analysis

max time kernel
121s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 13:34

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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
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2768	2820	cmd.exe	31
PID 2820 wrote to memory of 2768	2820	cmd.exe	31
PID 2820 wrote to memory of 2768	2820	cmd.exe	31
PID 2768 wrote to memory of 2648	2768	rundll32.exe	32
PID 2768 wrote to memory of 2648	2768	rundll32.exe	32
PID 2768 wrote to memory of 2648	2768	rundll32.exe	32
PID 2768 wrote to memory of 2648	2768	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2820
- 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:2768
- - 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:2648

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

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Downloads

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

Filesize
3KB

MD5
1823c5e972f12d13809adbdf907b9dd9

SHA1
36315d9427fb2ca1707928f38c82260c64f3e7d3

SHA256
653a10e490eab2c3cae0328639820c11e56e5ee9d8677adf48d60faa0c1de8a2

SHA512
4e8fdbb0d40387e26395c7bb98e7997d2b5e8d5c0d672ba8a31687eb8930ee209a4d4cca423e28ff260dc8253ff8edb5719f5ce15a7ce8b532fa9ac0816f2af2

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