b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785

General

Target

b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
Size

1.0MB
MD5

b1aefdcbd4a2ec608b197d6d470c7d37
SHA1

98a2f1247f02e348c59bf47b24d0050bf2f4f1b1
SHA256

b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785
SHA512

ea48a6c9837894b44e4957ee0c9d473d96474c457b8eb1c3376106b6c20084a6420523fa7c8e4ba12105caa3ea2fb4d840b9ba76e0b9778fb7207b9b099cc004
SSDEEP

24576:CO9NENGtIfz4RItOQDlfhG83DAIUnGkJp1GBz:Cg+NBOQ9c83D271G9

Score

7^/10

Malware Config

Signatures

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\SystemBiosVersion	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.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	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2000 set thread context of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1216	1584	WerFault.exe	29

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1584	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
1584	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
1584	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
1584	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
1584	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
1584	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29
PID 2000 wrote to memory of 1584	2000	b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe	29

C:\Users\Admin\AppData\Local\Temp\b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
"C:\Users\Admin\AppData\Local\Temp\b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe
  "C:\Users\Admin\AppData\Local\Temp\b8743fb2ac6641265f7d5a8183f5efe927c9804e5a9cfa0760631b9e50426785.exe" Track="0001001000"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 1400
    3⤵
    - Program crash
    PID:1216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1584-55-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-54-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-57-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-59-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-61-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-63-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-65-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-68-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1584-69-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-70-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1584-71-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads