601a5853fbe96c1d11fec29a95dc9efcef2f457a8915e183c789f71848786bfc

Resubmissions

19/11/2024, 15:13

241119-slznesybpk 3

19/11/2024, 15:10

241119-ska9faxelg 3

19/11/2024, 15:07

241119-shdxjsxeke 3

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
19/11/2024, 15:07

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General

Target

Yeis 1.5/Memory.deps.json
Size

1KB
MD5

78ed6fad6ec05bc9b1b1ecfa85f110fd
SHA1

56d199070c924981a1b5701a0287379da2571cd2
SHA256

a6ad49f47e057b95024db3bb96ed8b50c94d66a3e6df343dbe46cdc3e5c61d9c
SHA512

081caecc524e4aa4f8e0c4441d9fe5864c7e7d12587d12bf8a06e6fd80cea816427f19b7902169997af3037ef433bad0d047072f82a10318d1f11595b589e04c

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
2940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2940	AcroRd32.exe
2940	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 2276	620	cmd.exe	31
PID 620 wrote to memory of 2276	620	cmd.exe	31
PID 620 wrote to memory of 2276	620	cmd.exe	31
PID 2276 wrote to memory of 2940	2276	rundll32.exe	32
PID 2276 wrote to memory of 2940	2276	rundll32.exe	32
PID 2276 wrote to memory of 2940	2276	rundll32.exe	32
PID 2276 wrote to memory of 2940	2276	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Yeis 1.5\Memory.deps.json"
1⤵
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yeis 1.5\Memory.deps.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2276
- - 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\Yeis 1.5\Memory.deps.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2940

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
f9d8b969900421c1b590592cb70a2b42

SHA1
83e6c29c2447d9bd33e2e0e7d71ddd5f400f395b

SHA256
ea55045cd28bf41821f8991a1ce6a8a3505d2671a099517b5da32cfb5bd6b9e2

SHA512
d9b13c43039f20ac560b57ebe89163330b5e5ae1b0ae35ec3886e2628223f78c4bfa63937e9355bc7e3b38b158c66d36947980c0bee6400d0617549d5680138b

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