3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 14:14

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General

Target

3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
Size

935KB
MD5

d6376046541fda53c93b0ebaaa55aaf5
SHA1

d6a68b0a9809dfe1d84f5b0b8a3fd0597305be1a
SHA256

3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb
SHA512

e860047dbe9a6d5b41bfea741c63486aa7b575135e67d3c01c1716540e71900ef0a5d04264ff84388c5fd05a702a8f6b916ad9be275e8fbfa23902cd8e6c0b79
SSDEEP

12288:o5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:oyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4024-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4024-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4024-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4024-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4024-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 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\VideoBiosVersion	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe

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	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4024	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
4024	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
4024	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
4024	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
4024	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
4024	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83
PID 632 wrote to memory of 4024	632	3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe	83

C:\Users\Admin\AppData\Local\Temp\3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
"C:\Users\Admin\AppData\Local\Temp\3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:632
- C:\Users\Admin\AppData\Local\Temp\3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe
  "C:\Users\Admin\AppData\Local\Temp\3b99e363ceadba211ef821f930eca472b2904fd73cc10e9d16d7b2d4126628eb.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4024

Network

MITRE ATT&CK Enterprise v6

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/4024-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4024-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4024-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4024-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4024-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads