387ceccdce7de1fcdcc5115318f41ee384c231ee914695f507081f5afc712f94

Analysis

max time kernel
102s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 16:53

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General

Target

locales/ta.pak
Size

1.2MB
MD5

5f80c9da0c09491c70123581a41f6dad
SHA1

3fc9560a954271cf09aaa54eec34963c72c06e85
SHA256

30658d99d753946e9c9c02094c89be25b710db77251df6cd1a8839c29de5f884
SHA512

072c5db7fe1eb9e6c270d0e9b439cf84ebb3dc374d4f01f01f9341030883f2d6d9c6970fb6ef14bf96fccb51eade9ca762f396f89ba1d3df1230dda68557fd4a
SSDEEP

6144:GeTVtPcVpmT9Yvh54P5TzotR1cA25tm1vYpiMyy:nViVITqzy5TzccA25tm1vYpiMyy

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-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2376	AcroRd32.exe
2376	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 652	2528	cmd.exe	30
PID 2528 wrote to memory of 652	2528	cmd.exe	30
PID 2528 wrote to memory of 652	2528	cmd.exe	30
PID 652 wrote to memory of 2376	652	rundll32.exe	31
PID 652 wrote to memory of 2376	652	rundll32.exe	31
PID 652 wrote to memory of 2376	652	rundll32.exe	31
PID 652 wrote to memory of 2376	652	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ta.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ta.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:652
- - 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\ta.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2376

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
6b816fd8abdda4bb96c798ef7ee79534

SHA1
b2ce616c01fa4e279819e0d1f2e7d847d27832c3

SHA256
f87f1440ebace760400f726bc7a86984c54ebde614fc5ab7f21cd4420937fc79

SHA512
ff42ff1e98b8fcf32633305526e41a94bd6309d8e1c7ada7f78aeb0384d5b05c5083c97429b9dc5d77dc4316b69dba1ed4a81e43dcad637e4a26ab9b1bd0cec0

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