cd0e960fc76221a6e104194b4a0a8452669910228319848eb51d23b6d02493c0

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 12:39

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General

Target

Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe
Size

37KB
MD5

d6a71206d7bf7eb99353e517e6b39b63
SHA1

8b80397ecd459a0397682c7b0250845c47e392a0
SHA256

cd0e960fc76221a6e104194b4a0a8452669910228319848eb51d23b6d02493c0
SHA512

0f6335cd7cabfd69f331790e4a36e6aef4b2019d988a99958e49bf26bc166b247f6b13f6048301b17dabf14c1174c97f36e73e04538e532c8247fb1128cc7106
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IV:e6q10k0EFjed6rqJ+6vghzwYu7vih9G5

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2684	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2684	2824	Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe	30
PID 2824 wrote to memory of 2684	2824	Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe	30
PID 2824 wrote to memory of 2684	2824	Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe	30
PID 2824 wrote to memory of 2684	2824	Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe	30

C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.Autorun.ATA_virussign.com_d6a71206d7bf7eb99353e517e6b39b63.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
38KB

MD5
752cd9a23934a2cdb61972c047550800

SHA1
71a95a25501a9be5c0b286dae22e536c7729381e

SHA256
d2a2ec4505dd454d7615db724ef308cb4425727d2395a0494f89bae69b41e140

SHA512
bf60b29d8fac25081e4fc6187d47080afb55e021d4db97c01691ba802610eccb7d431968734187ff74a2bb31b5c5336c2c8a9fa0f111336f819f4d79b6f0362d

Download Submit
memory/2684-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2684-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2824-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2824-3-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/2824-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads