134f1558dc35748099cd598245ae89021357a8751871dbadeb9be5d1829eeae9

Analysis

max time kernel
133s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 02:33

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General

Target

00270ae774a2fcfc4b1133b7e66b9cec.exe
Size

681KB
MD5

00270ae774a2fcfc4b1133b7e66b9cec
SHA1

90dc36ac99e57a100f027d4c9466b4581dab7134
SHA256

134f1558dc35748099cd598245ae89021357a8751871dbadeb9be5d1829eeae9
SHA512

e828704acda03fd47682e5ed24c1b577b5ccf395754907c4a409fea5e7e5c6ea832cdd2ce6caf7114db00607a90e7619f62b61b54afd3721346bfe98f657ea6c
SSDEEP

12288:rwEZxZLDznQwo5unUeArTE5yjgcy7LxOuH9/7HPuXRZ8dzfPtfdeEvnrvdXZPThB:cEZxZLHnQwOunXLpvwuVbKz81VfTFXZ7

Score

7^/10

discovery upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	00270ae774a2fcfc4b1133b7e66b9cec.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2872-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/2872-1-0x0000000000400000-0x00000000005CC000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	00270ae774a2fcfc4b1133b7e66b9cec.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	00270ae774a2fcfc4b1133b7e66b9cec.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3416	2872	WerFault.exe	17
2920	2872	WerFault.exe	17

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe
2872	00270ae774a2fcfc4b1133b7e66b9cec.exe

C:\Users\Admin\AppData\Local\Temp\00270ae774a2fcfc4b1133b7e66b9cec.exe
"C:\Users\Admin\AppData\Local\Temp\00270ae774a2fcfc4b1133b7e66b9cec.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:2872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 2692
  2⤵
  - Program crash
  PID:3416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 2636
  2⤵
  - Program crash
  PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2872 -ip 2872
1⤵
PID:1064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2872 -ip 2872
1⤵
PID:4504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2872-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download
memory/2872-1-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads