16084866a25e9bccc4de731b2e4dcfffcbccb0b183a48afc6672e2fc804204c2

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 19:56

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General

Target

399e4c840bab8deb8941077f9cc45039.exe
Size

679KB
MD5

399e4c840bab8deb8941077f9cc45039
SHA1

be146f137f1dd688313fb96f2e448d035078742a
SHA256

16084866a25e9bccc4de731b2e4dcfffcbccb0b183a48afc6672e2fc804204c2
SHA512

ed74a18ecb687fc37dad9f90f63c91e36618876a6c5a27bead8f55ec70495c8b5a036964ebac56dfd2549b6474f2173de9e13c7af740e49b571ad24468432de7
SSDEEP

12288:4Q+8YcSdcdp7GqDd7o4YINDz6/AAgYShiuFfIihBtwVabCMUA4+6vlF7E:0iSmrpDd75d68hiuF5H8abCMUN+YlFA

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	399e4c840bab8deb8941077f9cc45039.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/832-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/832-1-0x0000000000400000-0x00000000005CC000-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	399e4c840bab8deb8941077f9cc45039.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	399e4c840bab8deb8941077f9cc45039.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3860	832	WerFault.exe	55
4308	832	WerFault.exe	55

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe
832	399e4c840bab8deb8941077f9cc45039.exe

C:\Users\Admin\AppData\Local\Temp\399e4c840bab8deb8941077f9cc45039.exe
"C:\Users\Admin\AppData\Local\Temp\399e4c840bab8deb8941077f9cc45039.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:832
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 2280
  2⤵
  - Program crash
  PID:3860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 2324
  2⤵
  - Program crash
  PID:4308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 832 -ip 832
1⤵
PID:2772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 832 -ip 832
1⤵
PID:2580

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/832-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

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memory/832-1-0x0000000000400000-0x00000000005CC000-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