343974cf779d5c793cf64b623c3ad2977524648f2b1fb0d2111322f8007819c5

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 05:48

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General

Target

57e63b7664bbcfe43669213b95682899.exe
Size

165KB
MD5

57e63b7664bbcfe43669213b95682899
SHA1

7d236469df92242c282b09dd5fb0725001e54aaa
SHA256

343974cf779d5c793cf64b623c3ad2977524648f2b1fb0d2111322f8007819c5
SHA512

e238533d04ae596407c0a2e6084e2a421cecce7ced293192753f58fa96c2c72c342e5e40401b4ae10e99fda9ecc041ea347fc08b246277212118e73ce9eda081
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B85:o68i3odBiTl2+TCU/C

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"	57e63b7664bbcfe43669213b95682899.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exez	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	57e63b7664bbcfe43669213b95682899.exe
File opened for modification	C:\Windows\winhash_up.exez	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\winhash_up.exe	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\bugMAKER.bat	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	57e63b7664bbcfe43669213b95682899.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	57e63b7664bbcfe43669213b95682899.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 1300 wrote to memory of 2712	1300	57e63b7664bbcfe43669213b95682899.exe	27
PID 1300 wrote to memory of 2712	1300	57e63b7664bbcfe43669213b95682899.exe	27
PID 1300 wrote to memory of 2712	1300	57e63b7664bbcfe43669213b95682899.exe	27
PID 1300 wrote to memory of 2712	1300	57e63b7664bbcfe43669213b95682899.exe	27

C:\Users\Admin\AppData\Local\Temp\57e63b7664bbcfe43669213b95682899.exe
"C:\Users\Admin\AppData\Local\Temp\57e63b7664bbcfe43669213b95682899.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2712

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
1a01ab03c5fb4f1c867c3089f478f4ae

SHA1
6c511239de52f30edf7502b206c1e82dce3dbd02

SHA256
956a96286379637f4253c1e82d1326b5de94eaa97a243e1aed4eeaa2561c86c5

SHA512
3b9611400b15d971fc1d97031f12bc0dcd81b170cdf969822c4243beb2edf39467a99743d09badfae70fe990f4e2dcf79b090f1fb40bf864dd3144418200275e

Download Submit
memory/1300-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2712-62-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads