85a2e7a7a02b001a4c0d2c2b7b5f500fcea39e1f59e66b018091f0fd28274ff8

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 23:50

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General

Target

20a130f06435c43f85976bfef5b29bde.exe
Size

211KB
MD5

20a130f06435c43f85976bfef5b29bde
SHA1

59be39c9ceb02fcb7e82545ec30440e72de5c1a8
SHA256

85a2e7a7a02b001a4c0d2c2b7b5f500fcea39e1f59e66b018091f0fd28274ff8
SHA512

7638eb062ea9dd0ab9225e0715fdf00fced06d644ae8cf037043a9f89b4e1966907e972abf4316c426da57cb0a5a37d952b4c5682b908e0164c1c3c36d3febc2
SSDEEP

3072:f+xVnZQvvFzxmMTo9ml1h7S9vZVotNK3D0wJBu240qNPwpiMNyzwQeD:2Pn6vDVo0xooK3IwO240qNPL9UZ

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3032	cmd.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-0-0x0000000000400000-0x000000000073E000-memory.dmp	upx
behavioral1/memory/2600-26-0x0000000000400000-0x000000000073E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\vaccinecomstart.exe = "C:\\Program Files (x86)\\vaccinecom\\vaccinecomstart.exe"	20a130f06435c43f85976bfef5b29bde.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\vaccinecom main = "C:\\Program Files (x86)\\vaccinecom\\vaccinecomu.exe /8L"	20a130f06435c43f85976bfef5b29bde.exe

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key created	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	20a130f06435c43f85976bfef5b29bde.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	20a130f06435c43f85976bfef5b29bde.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\ActiveX Compatibility\rebornd1 = "259421956"	20a130f06435c43f85976bfef5b29bde.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\vaccinecom_pay = "1"	20a130f06435c43f85976bfef5b29bde.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	20a130f06435c43f85976bfef5b29bde.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2600	20a130f06435c43f85976bfef5b29bde.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2600	20a130f06435c43f85976bfef5b29bde.exe
2600	20a130f06435c43f85976bfef5b29bde.exe
2600	20a130f06435c43f85976bfef5b29bde.exe
2600	20a130f06435c43f85976bfef5b29bde.exe
2600	20a130f06435c43f85976bfef5b29bde.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 3032	2600	20a130f06435c43f85976bfef5b29bde.exe	29
PID 2600 wrote to memory of 3032	2600	20a130f06435c43f85976bfef5b29bde.exe	29
PID 2600 wrote to memory of 3032	2600	20a130f06435c43f85976bfef5b29bde.exe	29
PID 2600 wrote to memory of 3032	2600	20a130f06435c43f85976bfef5b29bde.exe	29

C:\Users\Admin\AppData\Local\Temp\20a130f06435c43f85976bfef5b29bde.exe
"C:\Users\Admin\AppData\Local\Temp\20a130f06435c43f85976bfef5b29bde.exe"
1⤵
- Adds Run key to start application
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Delete.bat" "
  2⤵
  - Deletes itself
  PID:3032

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Delete.bat

Filesize
203B

MD5
669bad74501fa52e637172a5812f97a1

SHA1
8ed71c1427cd9d38922998640948cd5f5fa42bfe

SHA256
a7da9d8b3a8b4856329c4ba2749df1eb7e0cc09d34085f1e1741d3c634921071

SHA512
a3b66ba591f8d078dda3a1c04ad7d7845ce397984c0ad34aba50b5d92d4d4c927122d5027b8b73d665537b73d10268f3fb0f543c05cd5fdf0a34779e0bff3758

Download Submit
memory/2600-0-0x0000000000400000-0x000000000073E000-memory.dmp

Filesize
3.2MB

Download
memory/2600-26-0x0000000000400000-0x000000000073E000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads