177da7fd9ca1cd14410bad2c87ae228ce5f234e9c0cbc375c399a929eab49f52

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 08:18

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General

Target

$PLUGINSDIR/pcfix-v305-en.exe
Size

1.1MB
MD5

4c75a3d68c97221315e7495fcc82a036
SHA1

c1334ceeea56cb984d65bc45d49eef578e700efe
SHA256

09efb6e313ce5cae07d7884bdfd9ad546c31e964cf53c0b5638cdfcf36f8d558
SHA512

ebb756a110675aa368a03574ba44dbedadcac6bb263e8d0ba13718961f48defdda223b67e9fdcb3a0ae1c736374fccecee7766c8aa13f0e4ec4c195dd40b9b0b
SSDEEP

24576:9naG0Qv7yaJUQuFxdxnwb/acJKG7Sl4g54jKa9sI2uFtbo/U:9agXJw4b/zJKTl4g57a9sCHb

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2140	pcfix-v305-en.tmp

Loads dropped DLL 3 IoCs

pid	Process
2560	pcfix-v305-en.exe
2140	pcfix-v305-en.tmp
2140	pcfix-v305-en.tmp

System Location Discovery: System Language Discovery 1 TTPs 2 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	pcfix-v305-en.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pcfix-v305-en.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2140	2560	pcfix-v305-en.exe	30
PID 2560 wrote to memory of 2140	2560	pcfix-v305-en.exe	30
PID 2560 wrote to memory of 2140	2560	pcfix-v305-en.exe	30
PID 2560 wrote to memory of 2140	2560	pcfix-v305-en.exe	30
PID 2560 wrote to memory of 2140	2560	pcfix-v305-en.exe	30
PID 2560 wrote to memory of 2140	2560	pcfix-v305-en.exe	30
PID 2560 wrote to memory of 2140	2560	pcfix-v305-en.exe	30

C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pcfix-v305-en.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pcfix-v305-en.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Users\Admin\AppData\Local\Temp\is-VER2E.tmp\pcfix-v305-en.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VER2E.tmp\pcfix-v305-en.tmp" /SL5="$400E0,858723,80384,C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\pcfix-v305-en.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Local\Temp\is-VER2E.tmp\pcfix-v305-en.tmp

Filesize
717KB

MD5
bd048bd875182e696527702d2fc8cda9

SHA1
abc3c2d0b4cdad9daa17582d057fb93501296201

SHA256
48fbb6e511ae6d2c17ee781d7a6ab20585713e68ea76f5431d1abd64b0ee71b6

SHA512
029325fcce6b94c80a7b2baec544294ac024af2cd1bb4e1e20190a61c072ab37cc9b425b4a167e1e47486491d2b741d1e0abe2bbd4dcc8b379576cbf4a6d0164

Download Submit
\Users\Admin\AppData\Local\Temp\is-6SHKA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2140-36-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-44-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-42-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-20-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-22-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-11-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-32-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-34-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-40-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2140-38-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2560-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2560-16-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2560-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download