b04cb415c3d2e04d4671687f3a1f028e6c2e2bd8dccf176db47f15f28e44118d

Analysis

max time kernel
119s
max time network
139s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-01-2024 12:10

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General

Target

40d2af967b3afe59eff115b24d1753e5.exe
Size

202KB
MD5

40d2af967b3afe59eff115b24d1753e5
SHA1

2e7b2ab82e199a4be4302091db1b844cd91dd402
SHA256

b04cb415c3d2e04d4671687f3a1f028e6c2e2bd8dccf176db47f15f28e44118d
SHA512

7ce7ed9e2be1db2e45d8950c05797c8fc1007dfa6eaea89aa628a9ea23ce0c7677502f3cd256f9381c31be4ef567bca5286c476e87cccb2409f87090f2a41057
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8FpwtkaZgxkz:o68i3odBiTl2+TCU/6tkqz

Score

6^/10

persistence

Malware Config

Signatures

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	40d2af967b3afe59eff115b24d1753e5.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon10.ico	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	40d2af967b3afe59eff115b24d1753e5.exe
File opened for modification	C:\Windows\winhash_up.exez	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\winhash_up.exez	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\bugMAKER.bat	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\winhash_up.exe	40d2af967b3afe59eff115b24d1753e5.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	40d2af967b3afe59eff115b24d1753e5.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 3008	1904	40d2af967b3afe59eff115b24d1753e5.exe	29
PID 1904 wrote to memory of 3008	1904	40d2af967b3afe59eff115b24d1753e5.exe	29
PID 1904 wrote to memory of 3008	1904	40d2af967b3afe59eff115b24d1753e5.exe	29
PID 1904 wrote to memory of 3008	1904	40d2af967b3afe59eff115b24d1753e5.exe	29

C:\Users\Admin\AppData\Local\Temp\40d2af967b3afe59eff115b24d1753e5.exe
"C:\Users\Admin\AppData\Local\Temp\40d2af967b3afe59eff115b24d1753e5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:3008

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
8d07c1cb050c05101c30e99445773443

SHA1
ca0675f56dfde35ac5b201e42ef60a1c7947e284

SHA256
94bc1f3641cac1966f47887800beaddcd0d263b4bdde7b46edc105ba02524e5b

SHA512
204712f86446fadb12abc5322ab52e378a15dbac9efc2270ad19c63591c9b69955487e311587c08ed1331f6076c3bf0b7d1ac473cd286008a2b413e0534e86de

Download Submit
memory/1904-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3008-62-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads