1683e165b748a3ada2eb07d80fa64e77608a00f35de1ee1b40afbf53355133ed

Analysis

max time kernel
143s
max time network
150s
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, 22:37

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General

Target

40c8f46ac1dc9853c51ddac0ac5fd515.exe
Size

676KB
MD5

40c8f46ac1dc9853c51ddac0ac5fd515
SHA1

3fb2f09c135a0e44cd301d6c15a57dcfd7f31d5b
SHA256

1683e165b748a3ada2eb07d80fa64e77608a00f35de1ee1b40afbf53355133ed
SHA512

aa05a0dbf39dd45dc7987e93048872248cdff5d92fb059584b0e297714bf9da29bcd1f6ef45e8065bd087c7d195ccf18d33761e95a1558ab50c189bc37608eca
SSDEEP

12288:LQ+8YcSdcdp7GqDd7o4YINDz6/AAgYShiuFfIihBtwVabCMUA4+6vlF7m:5iSmrpDd75d68hiuF5H8abCMUN+YlFi

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	40c8f46ac1dc9853c51ddac0ac5fd515.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1648-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/1648-4-0x0000000000400000-0x00000000005CC000-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	40c8f46ac1dc9853c51ddac0ac5fd515.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	40c8f46ac1dc9853c51ddac0ac5fd515.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2748	1648	WerFault.exe	14
1244	1648	WerFault.exe	14

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe
1648	40c8f46ac1dc9853c51ddac0ac5fd515.exe

C:\Users\Admin\AppData\Local\Temp\40c8f46ac1dc9853c51ddac0ac5fd515.exe
"C:\Users\Admin\AppData\Local\Temp\40c8f46ac1dc9853c51ddac0ac5fd515.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:1648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 1900
  2⤵
  - Program crash
  PID:2748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 2780
  2⤵
  - Program crash
  PID:1244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1648 -ip 1648
1⤵
PID:3316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1648 -ip 1648
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/1648-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

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memory/1648-4-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads