d9029d87aae61f32f6ea1f9bace4b63671b89d07ff8173e376d4054078c19669

Resubmissions

01-01-2025 20:08

250101-yw3eystrcl 8

01-01-2025 20:04

250101-ytbt8a1qe1 8

01-01-2025 20:01

250101-yrhvra1pgx 8

01-01-2025 14:10

250101-rgpf8axnaw 10

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 20:08

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Report Analysis Logs

General

Target

WinUpdateHelper.deps.json
Size

33KB
MD5

64a780afe42da01052f1844e4a33cb2d
SHA1

9b487e249e30b120026e8994a420d89fd9091799
SHA256

10f481bf9bce9318a79d5dc5bd17e19908b5ed419062c70a1a7e400992d8da86
SHA512

0a277cb89598262d62b90fd994be478e9ed7d4b25c95fa06885393b730ef1a59443aea89f0c3fdd370a90c41cd2b0f7cffacb3d80619c016c2910364d14364f3
SSDEEP

768:+NKjVEsIhKPMEPrT3XCGjDyiEc6BHa21Fe8kFN92uwtEeCJK4:pjVEsIhKPMEPrT3XCGjDyiEc6BHa21F6

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-1-5-21-2039016743-699959520-214465309-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	AcroRd32.exe
2796	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2724	2956	cmd.exe	31
PID 2956 wrote to memory of 2724	2956	cmd.exe	31
PID 2956 wrote to memory of 2724	2956	cmd.exe	31
PID 2724 wrote to memory of 2796	2724	rundll32.exe	32
PID 2724 wrote to memory of 2796	2724	rundll32.exe	32
PID 2724 wrote to memory of 2796	2724	rundll32.exe	32
PID 2724 wrote to memory of 2796	2724	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\WinUpdateHelper.deps.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\WinUpdateHelper.deps.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\WinUpdateHelper.deps.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2796

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
be97c9d3c7f60926a60d34f11f9ede08

SHA1
aeb104f66fdf93ba7515c314280271a1768c6be0

SHA256
e19bf60948c4efadf32aa92a820627fa00ff3f7d41462b1a541d180419879034

SHA512
41708f370d14b16d7038477bd7ae279b6e836ef8251f0840715431a317de0f025be577eb35b10bd2384d0e482c947c0ce5df6a0304bc4fb99690f521b320e39d

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