ca5a0e2963dc959524712f6d71b937d20a2bf15a4fece708ede9a84b50bb2ebf

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-11-2024 10:09

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General

Target

Acclimate.dec
Size

314KB
MD5

ab0b1f8d712c0b3f8cf3fdc0fedd0352
SHA1

bd67c0e83b022a846b9c005ef6130e9e810d5bf7
SHA256

433d5ffc66b965621e41f5af742682a475506f096daf6489fdb822b103812fae
SHA512

927a00d738d81894475420fe4f33a257b0512cb887ae144b16ec4ad4cc145dba8b2d10dc9bfdaccb06c3fc7b43e933b10b07ddee4571d2e061a34150a958fc3e
SSDEEP

6144:Xr6Aok3//lfwW9FUrW2IufYtVN/HBmHBV59EDszhAnT/f:+AjP/lfDYrW2nws9O4Of

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-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2824	AcroRd32.exe
2824	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 3048	2128	cmd.exe	32
PID 2128 wrote to memory of 3048	2128	cmd.exe	32
PID 2128 wrote to memory of 3048	2128	cmd.exe	32
PID 3048 wrote to memory of 2824	3048	rundll32.exe	33
PID 3048 wrote to memory of 2824	3048	rundll32.exe	33
PID 3048 wrote to memory of 2824	3048	rundll32.exe	33
PID 3048 wrote to memory of 2824	3048	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Acclimate.dec
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Acclimate.dec
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3048
- - 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\Acclimate.dec"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2824

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
27719a9b2eeea42ca5c72b94985873a8

SHA1
8082ee83ffb619fdef484a42de8cce4df5ca1009

SHA256
c7992a882a9f91d6ee737c23aa8cf9eb20696e504b386642915206c5c28ab954

SHA512
35a7f92e042f7cf9208d7623c008388c1277c95b19a86b8dda2de8df76d724355427557b3fda1c4bfa4a8d5db8f6065de2c44e89917771a56da64c0f3eca40f8

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