bc6612f74ffa0035fa08e062880dae1e38305c7c22fab3619b7c638e0cb66528

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 13:18

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General

Target

icudtl.dat
Size

10.1MB
MD5

2134e5dbc46fb1c46eac0fe1af710ec3
SHA1

dbecf2d193ae575aba4217194d4136bd9291d4db
SHA256

ee3c8883effd90edfb0ff5b758c560cbca25d1598fcb55b80ef67e990dd19d41
SHA512

b9b50614d9baebf6378e5164d70be7fe7ef3051cfff38733fe3c7448c5de292754bbbb8da833e26115a185945be419be8dd1030fc230ed69f388479853bc0fcb
SSDEEP

98304:GKPBQYOo+ddlymOk25flQCUliXUxiG9Ha93Whla6ZGdnp/8j:GKPBhORjOhCliXUxiG9Ha93Whla6ZGr4

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

Processes:

AcroRd32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe
Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2708 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2708 AcroRd32.exe
2708 AcroRd32.exe

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

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe

pid	process
2708	AcroRd32.exe

pid	process
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1960 wrote to memory of 1264	1960	cmd.exe	rundll32.exe
PID 1960 wrote to memory of 1264	1960	cmd.exe	rundll32.exe
PID 1960 wrote to memory of 1264	1960	cmd.exe	rundll32.exe
PID 1264 wrote to memory of 2708	1264	rundll32.exe	AcroRd32.exe
PID 1264 wrote to memory of 2708	1264	rundll32.exe	AcroRd32.exe
PID 1264 wrote to memory of 2708	1264	rundll32.exe	AcroRd32.exe
PID 1264 wrote to memory of 2708	1264	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\icudtl.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\icudtl.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1264
- - 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\icudtl.dat"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2708

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
06724e0919232efbf5f967997f90a862

SHA1
5d2d2c12f8a609b77f887277c0290ae2bbd3a1ac

SHA256
eeaad1902e2a80f97a5bfa2e60d9128ea8e12901d79c3a1c92b57eb4189f05c9

SHA512
d4afad4647d58fea286764e838752777bd08a042f94dd18ab71faabea8211414fe2b53ace5d182278b041416e43be105176b2940e80e1d48b9653bee0c5eb812

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