617f845935d428ecaf15057713f3d08a10f8257b90ee669a2afac591678bac30

Analysis

max time kernel
141s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-07-2024 18:40

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General

Target

VDFilterPack.exe
Size

1.1MB
MD5

1b9cf2d8f95c45e4180d0ff10ae161bb
SHA1

45b56c3ead13a60139b0df8e54f151d37fd11a2e
SHA256

671476d0bc071170399f9d29d8ab4fc0d46a1cf32c22ff2e3a9dcd86c875a540
SHA512

7622fb1ebaccc7a428a787a59301e7385a16f9667e6b628388590c83f62f35ed9bb703a9a6aa70c07d1eb9d197fd6e9579f7b6733d695b5a0e44043b255a39e5
SSDEEP

24576:yfOyIeqarx3LvryZxnmibQawX/X7OKTAElIbI3il95/9489cmu:yG/Orx3Lvrkmirof7OZEjSltTcr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2704	is-FM6AC.tmp

Loads dropped DLL 3 IoCs

pid	Process
2240	VDFilterPack.exe
2704	is-FM6AC.tmp
2704	is-FM6AC.tmp

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2704	is-FM6AC.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2704	2240	VDFilterPack.exe	29
PID 2240 wrote to memory of 2704	2240	VDFilterPack.exe	29
PID 2240 wrote to memory of 2704	2240	VDFilterPack.exe	29
PID 2240 wrote to memory of 2704	2240	VDFilterPack.exe	29
PID 2240 wrote to memory of 2704	2240	VDFilterPack.exe	29
PID 2240 wrote to memory of 2704	2240	VDFilterPack.exe	29
PID 2240 wrote to memory of 2704	2240	VDFilterPack.exe	29

C:\Users\Admin\AppData\Local\Temp\VDFilterPack.exe
"C:\Users\Admin\AppData\Local\Temp\VDFilterPack.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\is-NIJBM.tmp\is-FM6AC.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NIJBM.tmp\is-FM6AC.tmp" /SL4 $40216 "C:\Users\Admin\AppData\Local\Temp\VDFilterPack.exe" 875859 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2704

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\is-7QTFQ.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-NIJBM.tmp\is-FM6AC.tmp

Filesize
652KB

MD5
581bb44526a65c02b388e1b8a83fe86c

SHA1
dc387f115977b5fb94d9c9084f33a1c231b50acb

SHA256
385a9bb48f5180984867f3bff1d327250d22ab4399137b343be291c370ee3699

SHA512
aab4cb6dd5ad4ebfded18748c5cd1a4361c154459f36a4cb49e32855b6866f92d3f065cd9cafa16e621a4216bb176f1554a8bbea7fd458b317eb1ff4c3c2bea1

Download Submit
memory/2240-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2240-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/2240-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2704-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2704-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download