7fa3c53115c61a095da7ce93276e828198fba45f93c30bf245a0ffd9266a77bf

Analysis

max time kernel
117s
max time network
134s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 13:52

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General

Target

app-11.17.0/locales/zh-CN.pak
Size

435KB
MD5

d1145f2dcb13c5ba797df5a0792553c8
SHA1

e8d9604300d6413fc896d252a0261be2dfdebfbd
SHA256

6a9a1f5b7674da36f20cb76af7e3e75e9e56873539e8a3b32895ebba439af83a
SHA512

f54adffc7d40866fd53dbb238687116d46354f79580877b5d4d93840494e604deaeaeb7e825f6a00d020f3c58d1fb9df8af667feb64c86f243ecab57765623e9
SSDEEP

6144:UBs0tawPNPvzgIa+X7956i0dhpDt5p6LNuhe39w14lW:UTtjP5vz1ao56i0dHt5MLNuhe39m

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	AcroRd32.exe
2728	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1572	2380	cmd.exe	31
PID 2380 wrote to memory of 1572	2380	cmd.exe	31
PID 2380 wrote to memory of 1572	2380	cmd.exe	31
PID 1572 wrote to memory of 2728	1572	rundll32.exe	32
PID 1572 wrote to memory of 2728	1572	rundll32.exe	32
PID 1572 wrote to memory of 2728	1572	rundll32.exe	32
PID 1572 wrote to memory of 2728	1572	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\app-11.17.0\locales\zh-CN.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\app-11.17.0\locales\zh-CN.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1572
- - 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\app-11.17.0\locales\zh-CN.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2728

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
ebcb4a09ac1befddf2dda59c47edc223

SHA1
c37fb26f1703546d8b258e57616bf074a136501b

SHA256
ddda7153746cb47faf45d6ba678bb38149e5fb359d1aae0b9b468eeb68a91e77

SHA512
4b3b45f223263f0280a55223798cae9436f552ca534e719b8b2b7df970ecc69ca523cc8c36fd36a6e7cc3072c1729ef6811312f2437ab9f9764b85d70d7b43b4

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