1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865

Analysis

max time kernel
176s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 03:41

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General

Target

1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
Size

1.0MB
MD5

384e01f7622f747fc8f10ba34b58e695
SHA1

5b19365cfa167ed64ab85df7766941a859895fc9
SHA256

1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865
SHA512

ca39efbfdf6877aa50546aa5a65d713b0fa4a5d3c47588869d352f1e83f180505669c83ee6cb54dd51e7c2739250e3c3366e6ad4c8a0d9257314be0fc5177e5a
SSDEEP

24576:zlafNPaNMDJOpKROZRpulZBVOkeOLimGHCmO+r:RaANaRGRpuHetmGimZr

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	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.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	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4504 set thread context of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1940	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
1940	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
1940	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
1940	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
1940	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
1940	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79
PID 4504 wrote to memory of 1940	4504	1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe	79

C:\Users\Admin\AppData\Local\Temp\1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
"C:\Users\Admin\AppData\Local\Temp\1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Users\Admin\AppData\Local\Temp\1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe
  "C:\Users\Admin\AppData\Local\Temp\1efa20b94f8f9e1168fb3ccc6b911cde8847b734c299a07b8fd58c11c4491865.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1940

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/1940-136-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1940-135-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1940-138-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1940-139-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/1940-140-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/4504-132-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/4504-133-0x0000000000B80000-0x0000000000B83000-memory.dmp

Filesize
12KB

Download
memory/4504-137-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads