f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 12:23

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General

Target

f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
Size

666KB
MD5

b1fdb7b2312f381772f5482d9a26f1e6
SHA1

380d0d15dbd1de193bbd24e8f733ddc7e902d606
SHA256

f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275
SHA512

0ecaee1359001e86c57ade7fc3d71aa7d9730c05321a0254dd3db87ab356a43a2f3a577fbf9479df74e6d7fc917a3a39054a7e15574ae4ca6c467c36e4106e1b
SSDEEP

12288:KbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMf/:KXbs48LeP0P8E6dclWLi26KGOqMwIMn

Score

9^/10

discovery upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/3368-0-0x0000000000400000-0x00000000005C7000-memory.dmp	UPX
behavioral2/memory/3368-9-0x0000000000400000-0x00000000005C7000-memory.dmp	UPX

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	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3368-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/3368-9-0x0000000000400000-0x00000000005C7000-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	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1832	3368	WerFault.exe	81
2884	3368	WerFault.exe	81

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
3368	f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe

C:\Users\Admin\AppData\Local\Temp\f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe
"C:\Users\Admin\AppData\Local\Temp\f42f0f45c6cd6bcd586013505217ae6b52b9ed0d8af112bb20c1600693f41275.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:3368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 1996
  2⤵
  - Program crash
  PID:2884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 2532
  2⤵
  - Program crash
  PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3368 -ip 3368
1⤵
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3368 -ip 3368
1⤵
PID:4452

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/3368-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/3368-9-0x0000000000400000-0x00000000005C7000-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