965fc07bb917ca4a4ef194a24ea0770e325ad0a525c7bc91db9e03eeb4a08e0f

Analysis

max time kernel
149s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-04-2023 15:54

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General

Target

Server.exe
Size

30KB
MD5

e90e802ff8697b809263ff71ad5e137a
SHA1

d1dd68039fe3ce0227248cd3fd294dd36c54fd62
SHA256

965fc07bb917ca4a4ef194a24ea0770e325ad0a525c7bc91db9e03eeb4a08e0f
SHA512

fc2dba32f61c8fa3c479f20bbca351d538cdc20f78084be6b06a83b1af34c9a9092fd8abec10801858519ee2ad7e1dc0708c732464dee41d632092107f848430
SSDEEP

384:5Ap/heiHOZMvLZPR6Vb9iETcEaoA/vOCVN8pSIw39q0rDP2kMK6KUkyoseNegUT6:S33TZPR6V8os/vO3oDJ0pGNo6Ym

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2012	1928	Server.exe	28
PID 1928 wrote to memory of 2012	1928	Server.exe	28
PID 1928 wrote to memory of 2012	1928	Server.exe	28
PID 2012 wrote to memory of 772	2012	rundll32.exe	29
PID 2012 wrote to memory of 772	2012	rundll32.exe	29
PID 2012 wrote to memory of 772	2012	rundll32.exe	29
PID 2012 wrote to memory of 772	2012	rundll32.exe	29

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\apps
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2012
- - 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\apps"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\apps

Filesize
30KB

MD5
e90e802ff8697b809263ff71ad5e137a

SHA1
d1dd68039fe3ce0227248cd3fd294dd36c54fd62

SHA256
965fc07bb917ca4a4ef194a24ea0770e325ad0a525c7bc91db9e03eeb4a08e0f

SHA512
fc2dba32f61c8fa3c479f20bbca351d538cdc20f78084be6b06a83b1af34c9a9092fd8abec10801858519ee2ad7e1dc0708c732464dee41d632092107f848430

Download Submit
memory/1928-54-0x0000000000C20000-0x0000000000C2E000-memory.dmp

Filesize
56KB

Download
memory/1928-55-0x00000000009A0000-0x0000000000A20000-memory.dmp

Filesize
512KB

Download