5d9595e25e08bede9a6beced5755336cc49e4417593d6b9f108e27d6215a44f5

Analysis

max time kernel
1s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 20:11

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General

Target

100e85cdf65643fac2bfffa2889e5136.exe
Size

665KB
MD5

100e85cdf65643fac2bfffa2889e5136
SHA1

2cde98f3a2c54fd0c5ffaec577d04d6b822c15d7
SHA256

5d9595e25e08bede9a6beced5755336cc49e4417593d6b9f108e27d6215a44f5
SHA512

e68259cdab5924c97fb5ae34df9045cff2136569f1ce6df2fe835530cf8d07838e23f31036c16a9d60e937bb5f3c8f07979bca321b87212419a6fe6745a16796
SSDEEP

12288:wbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfb:wXbs48LeP0P8E6dclWLi26KGOqMwIMz

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	100e85cdf65643fac2bfffa2889e5136.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2132-0-0x0000000000400000-0x00000000005C7000-memory.dmp	upx
behavioral2/memory/2132-1-0x0000000000400000-0x00000000005C7000-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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	100e85cdf65643fac2bfffa2889e5136.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	100e85cdf65643fac2bfffa2889e5136.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3668	2132	WerFault.exe	18
4556	2132	WerFault.exe	18

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2132	100e85cdf65643fac2bfffa2889e5136.exe
2132	100e85cdf65643fac2bfffa2889e5136.exe
2132	100e85cdf65643fac2bfffa2889e5136.exe
2132	100e85cdf65643fac2bfffa2889e5136.exe

C:\Users\Admin\AppData\Local\Temp\100e85cdf65643fac2bfffa2889e5136.exe
"C:\Users\Admin\AppData\Local\Temp\100e85cdf65643fac2bfffa2889e5136.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:2132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 2700
  2⤵
  - Program crash
  PID:3668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 2304
  2⤵
  - Program crash
  PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2132 -ip 2132
1⤵
PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2132 -ip 2132
1⤵
PID:3924

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/2132-0-0x0000000000400000-0x00000000005C7000-memory.dmp

Filesize
1.8MB

Download
memory/2132-1-0x0000000000400000-0x00000000005C7000-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