ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf

Analysis

max time kernel
126s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 03:22

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General

Target

ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe
Size

47KB
MD5

94f2f300924478cd1f263e4286cdd0a1
SHA1

91f554b16095c45364e6f2a7aff7c1fe232da617
SHA256

ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf
SHA512

045d3c4a3fa083b6fdbf50fb4cd414b2baf216c6d257d32336c4370c4371eba16b9cea96173a433f31836b190e07f23cbf859bf547de4e51fc22106adcfc4d4f
SSDEEP

768:JGuGSdMxdKhsttw9o8SHTMfmxA6v9XoGOVcI7QLsIcE4W6Tb:wrxshsnwffmxA6veGOVcI7esIF4WS

Score

9^/10

Malware Config

Signatures

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/2252-0-0x0000000000400000-0x000000000040D000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2252-2-0x0000000000400000-0x000000000040D000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000d0000000122c2-4.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1516-8-0x0000000000400000-0x000000000040D000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1516-10-0x0000000000400000-0x000000000040D000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
1516	pdfupdate.exe

Loads dropped DLL 1 IoCs

pid	Process
2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 1516	2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe	28
PID 2252 wrote to memory of 1516	2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe	28
PID 2252 wrote to memory of 1516	2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe	28
PID 2252 wrote to memory of 1516	2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe	28
PID 2252 wrote to memory of 1516	2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe	28
PID 2252 wrote to memory of 1516	2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe	28
PID 2252 wrote to memory of 1516	2252	ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe	28

C:\Users\Admin\AppData\Local\Temp\ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe
"C:\Users\Admin\AppData\Local\Temp\ef55fedfa0dd58c12970175f3318fd726cc472fcbdaa62a6d68dbb6867f34bdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe"
  2⤵
  - Executes dropped EXE
  PID:1516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Users\Admin\AppData\Local\Temp\pdfupdate.exe

Filesize
47KB

MD5
749dd4fa0824320e348a83f44b703694

SHA1
1067f61e9012b92079b02c36def94a933456d762

SHA256
82c42968998c21efb79f80710ef36adfee280f29f1605b4b9d32323733b49524

SHA512
79d7cb8a30a7ad3f37bd8d1897d04383e53493224a7fcc610399e28318a71e1c61140b2077e59168581d3f997a6f38932f3295044403de7bd6b6154305497cba

Download Submit
memory/1516-8-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1516-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2252-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2252-2-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download