04d29577b3e6f81fb507778f57753754adc0ae4681e440797ff9b162c1c1b0a5

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 10:23

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General

Target

c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
Size

627KB
MD5

c5a1ea74c0a1f64ea2abdf7180fdcd29
SHA1

4a18c0c01a55863826b0fc122b33f2cced964ae7
SHA256

04d29577b3e6f81fb507778f57753754adc0ae4681e440797ff9b162c1c1b0a5
SHA512

959ec0cc03fb76538f7fcb9a6c67d3c3ce032fbaf93cf66058f7a93b820cd4a177c457af4ef136926de7f6fb515458c58e750709e276eb3b6a6c565170a398d6
SSDEEP

12288:LdVHdJP768IAxFHABvJ8Z/pCLLL0+Hsuq/R9hUJG:LdVH/P7zx1ABh+pS//q59e

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	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3512-0-0x0000000000E90000-0x0000000001071000-memory.dmp	upx
behavioral2/memory/3512-14-0x0000000000E90000-0x0000000001071000-memory.dmp	upx
behavioral2/memory/3512-27-0x0000000000E90000-0x0000000001071000-memory.dmp	upx
behavioral2/memory/3512-30-0x0000000000E90000-0x0000000001071000-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	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2416	3512	WerFault.exe	96
4720	3512	WerFault.exe	96

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3512	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
3512	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3512	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
3512	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
3512	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
3512	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
3512	c5a1ea74c0a1f64ea2abdf7180fdcd29.exe

C:\Users\Admin\AppData\Local\Temp\c5a1ea74c0a1f64ea2abdf7180fdcd29.exe
"C:\Users\Admin\AppData\Local\Temp\c5a1ea74c0a1f64ea2abdf7180fdcd29.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 2340
  2⤵
  - Program crash
  PID:2416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 2064
  2⤵
  - Program crash
  PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3512 -ip 3512
1⤵
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3512 -ip 3512
1⤵
PID:4924

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:440

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/3512-0-0x0000000000E90000-0x0000000001071000-memory.dmp

Filesize
1.9MB

Download
memory/3512-14-0x0000000000E90000-0x0000000001071000-memory.dmp

Filesize
1.9MB

Download
memory/3512-27-0x0000000000E90000-0x0000000001071000-memory.dmp

Filesize
1.9MB

Download
memory/3512-30-0x0000000000E90000-0x0000000001071000-memory.dmp

Filesize
1.9MB

Download