5bc23325eafe6a2781081083a9561404630a55b51a8a0b27b7576aef7524b64d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2024 23:21

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General

Target

3f499d709f607c355a3e2e6e8d30c609.exe
Size

669KB
MD5

3f499d709f607c355a3e2e6e8d30c609
SHA1

3f31f42de9d2f44aa2a039c4da6127c6b79baefa
SHA256

5bc23325eafe6a2781081083a9561404630a55b51a8a0b27b7576aef7524b64d
SHA512

72e9750da1a2b0bf59659cacb424b68f63eb48fa99e2607ae320aad61635d9b34ad55e38dd67addbc5218b53085e946784c653705818b4811d3f260638ebfe8e
SSDEEP

12288:koFM71upgHwENRmrARiivj/gasZo4xNOMf433sUKpfcsFmcyou6KhK6udcKwvSP:kug5HwE2Q5L/UZokX433OpfPFmcyoudK

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/228-0-0x0000000000400000-0x00000000005AB000-memory.dmp	upx
behavioral2/memory/228-62-0x0000000000400000-0x00000000005AB000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3156	228	WerFault.exe	16

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\IESettingSync	3f499d709f607c355a3e2e6e8d30c609.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	3f499d709f607c355a3e2e6e8d30c609.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	3f499d709f607c355a3e2e6e8d30c609.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	3f499d709f607c355a3e2e6e8d30c609.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
228	3f499d709f607c355a3e2e6e8d30c609.exe
228	3f499d709f607c355a3e2e6e8d30c609.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
228	3f499d709f607c355a3e2e6e8d30c609.exe
228	3f499d709f607c355a3e2e6e8d30c609.exe

C:\Users\Admin\AppData\Local\Temp\3f499d709f607c355a3e2e6e8d30c609.exe
"C:\Users\Admin\AppData\Local\Temp\3f499d709f607c355a3e2e6e8d30c609.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 1996
  2⤵
  - Program crash
  PID:3156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 228 -ip 228
1⤵
PID:1936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/228-0-0x0000000000400000-0x00000000005AB000-memory.dmp

Filesize
1.7MB

Download
memory/228-1-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/228-62-0x0000000000400000-0x00000000005AB000-memory.dmp

Filesize
1.7MB

Download