eff920ad73b1bd4d2def6b79a52c4fe0f449902044c8efbbdf65afbdf93ef410

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 18:04

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General

Target

icudtl.dat
Size

9.7MB
MD5

62ce282dfe0ab8f2a35a529faeb61ac2
SHA1

c35d6e4db540518263214697f589c54faac87533
SHA256

c3b6588446b4a48e36dc135f9920ad246f5c84fe59c634b4225b009dd1dace13
SHA512

a773bf66fcb9a12c1d8f3a760724c8438c7f240617b8099e4e2af979b84676892dbcaa866ca2fad59d2e56493ec3f96f0874e4e6e7fe7ca25e22ea2606e9a853
SSDEEP

196608:oEUPty2AZfCHliXUxR0jvzl3Whl/dlTNRq:+12ZGliXUxR0jvzl3Whl/dlZRq

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-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2192	2160	cmd.exe	31
PID 2160 wrote to memory of 2192	2160	cmd.exe	31
PID 2160 wrote to memory of 2192	2160	cmd.exe	31
PID 2192 wrote to memory of 2752	2192	rundll32.exe	33
PID 2192 wrote to memory of 2752	2192	rundll32.exe	33
PID 2192 wrote to memory of 2752	2192	rundll32.exe	33
PID 2192 wrote to memory of 2752	2192	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\icudtl.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- 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:2192
- - 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:2752

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

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Downloads

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

Filesize
3KB

MD5
85d86f5f07113ea3153b5a45be5e6023

SHA1
fdc90a4bf2820addf995d86d21f001ecd85534f4

SHA256
0bff71238d51ad34b8c2e85804d647596bcb549ce3bd5c056b6756c7b196ddba

SHA512
241908ab99e5c5189ddaaf24e019f93ce29b1470076f6aba7794d8566c4c34dbce504e0ee85a555bf67ac3954fd0d30ddebe4fc9fe4b8b873b4a8648a9c71900

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