037e9e07848eabe52b5392259756292aad464ac1fc2bdcbb9fba9b759f900aab

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2023, 09:02

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General

Target

a5e960c40c933eexeexeexeex.exe
Size

259KB
MD5

a5e960c40c933ea4bc3773c4350bcd32
SHA1

805465078f637a9277a98fc7240ce24fc1abdc4b
SHA256

037e9e07848eabe52b5392259756292aad464ac1fc2bdcbb9fba9b759f900aab
SHA512

eba811d5280eac807eb7a5a836abc0de4b9a1bd1a15fe68b1b34d9a636332fbd5d373e5571600ed301e4c2d3cd2edbe5baf1c65931137b48076b7516639c7d9b
SSDEEP

3072:iSAjCo7pLGazTpLj5mf8Q+F1r0mVcaEv7HObquTDR5ZRH2V8CNLn3GU:iS8CoBbTsOnEybnfkBz3GU

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{F1729B1C-ACEE-4EA3-99FE-58D7F8543FDC}.catalogItem	svchost.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3524	3988	WerFault.exe	78

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\a5e960c40c933eexeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\a5e960c40c933eexeexeexeex.exe"
1⤵
PID:3988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 220
  2⤵
  - Program crash
  PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3988 -ip 3988
1⤵
PID:1120

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3988-133-0x0000000000D60000-0x0000000000DF0000-memory.dmp

Filesize
576KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads