d19ecdc54730a45c376f5182b7271b94b1aa902344522d3002a2d34f0d6e1418

Analysis

max time kernel
145s
max time network
149s
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 08:26

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General

Target

11e2a6ac0a00afb662a9537ff9d48b61.exe
Size

663KB
MD5

11e2a6ac0a00afb662a9537ff9d48b61
SHA1

8e4bf7cb6d4a6ddb3062da2ac68e47239fa6c768
SHA256

d19ecdc54730a45c376f5182b7271b94b1aa902344522d3002a2d34f0d6e1418
SHA512

ec374ad9c0b59a226b80705c5f6d2c42e615af12da617540253e5a3beb81f7ef3e88cbfff360d632ec75cc43ce449f4e3d5d4de71db5e5224f7910ce0faa9a13
SSDEEP

12288:qbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMf8:qXbs48LeP0P8E6dclWLi26KGOqMwIM

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	11e2a6ac0a00afb662a9537ff9d48b61.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4724-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/4724-3-0x0000000000400000-0x00000000005C7000-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	11e2a6ac0a00afb662a9537ff9d48b61.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	11e2a6ac0a00afb662a9537ff9d48b61.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4212	4724	WerFault.exe	85
2620	4724	WerFault.exe	85

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe
4724	11e2a6ac0a00afb662a9537ff9d48b61.exe

C:\Users\Admin\AppData\Local\Temp\11e2a6ac0a00afb662a9537ff9d48b61.exe
"C:\Users\Admin\AppData\Local\Temp\11e2a6ac0a00afb662a9537ff9d48b61.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:4724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 2696
  2⤵
  - Program crash
  PID:4212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 2648
  2⤵
  - Program crash
  PID:2620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4724 -ip 4724
1⤵
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4724 -ip 4724
1⤵
PID:4528

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/4724-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

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memory/4724-3-0x0000000000400000-0x00000000005C7000-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