11255f1d01414bb99fc53bdbf862e47bf206a1712f3cce8dced9ce9f076326e2

Analysis

max time kernel
93s
max time network
134s
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, 01:01

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General

Target

1ee61b189558853f1887f339c1aa74ba.exe
Size

681KB
MD5

1ee61b189558853f1887f339c1aa74ba
SHA1

2a3b4572cadb16e866aee8fedbb868616c1af566
SHA256

11255f1d01414bb99fc53bdbf862e47bf206a1712f3cce8dced9ce9f076326e2
SHA512

9401a2fdc8f949fcda384a8a079b8d1c85b14cf51f19372f7109600f84a8c52c138b51d16b95292d6fb442cb5364ec5b247e671b60df3a3d1b1d2771a0183733
SSDEEP

12288:cwEZxZLDznQwo5unUeArTE5yjgcy7LxOuH9/7HPuXRZ8dzfPtfdeEvnrvdXZPTh3:LEZxZLHnQwOunXLpvwuVbKz81VfTFXZV

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	1ee61b189558853f1887f339c1aa74ba.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4988-0-0x0000000000400000-0x00000000005CC000-memory.dmp	upx
behavioral2/memory/4988-1-0x0000000000400000-0x00000000005CC000-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	1ee61b189558853f1887f339c1aa74ba.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	1ee61b189558853f1887f339c1aa74ba.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4744	4988	WerFault.exe	16
3948	4988	WerFault.exe	16

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe
4988	1ee61b189558853f1887f339c1aa74ba.exe

C:\Users\Admin\AppData\Local\Temp\1ee61b189558853f1887f339c1aa74ba.exe
"C:\Users\Admin\AppData\Local\Temp\1ee61b189558853f1887f339c1aa74ba.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:4988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 2328
  2⤵
  - Program crash
  PID:4744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 2564
  2⤵
  - Program crash
  PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4988 -ip 4988
1⤵
PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4988 -ip 4988
1⤵
PID:8

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/4988-0-0x0000000000400000-0x00000000005CC000-memory.dmp

Filesize
1.8MB

Download
memory/4988-1-0x0000000000400000-0x00000000005CC000-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