55b6de5f4cc270d44f2e37767d13ea772202d5904136d1305baf1a8bd608e1ab

Analysis

max time kernel
0s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 05:40

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General

Target

4fbbbe153b596ec96ca00143fb38c8ad.exe
Size

198KB
MD5

4fbbbe153b596ec96ca00143fb38c8ad
SHA1

852ea3e909c8a9b262262664758567b052a68d7c
SHA256

55b6de5f4cc270d44f2e37767d13ea772202d5904136d1305baf1a8bd608e1ab
SHA512

957b86e2abfcd279bbb49c29aca93b3014833835b4a3b9ba9829e6ee5a62e3d04f6cb12aab34b25d6a15b883950ecafcfb5be7230edf535ea00521fec284affa
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8mkgnYO:o68i3odBiTl2+TCU/Tk8d

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"	4fbbbe153b596ec96ca00143fb38c8ad.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon10.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\bugMAKER.bat	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\winhash_up.exez	4fbbbe153b596ec96ca00143fb38c8ad.exe
File opened for modification	C:\Windows\winhash_up.exez	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\winhash_up.exe	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	4fbbbe153b596ec96ca00143fb38c8ad.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 1684	3544	4fbbbe153b596ec96ca00143fb38c8ad.exe	18
PID 3544 wrote to memory of 1684	3544	4fbbbe153b596ec96ca00143fb38c8ad.exe	18
PID 3544 wrote to memory of 1684	3544	4fbbbe153b596ec96ca00143fb38c8ad.exe	18

C:\Users\Admin\AppData\Local\Temp\4fbbbe153b596ec96ca00143fb38c8ad.exe
"C:\Users\Admin\AppData\Local\Temp\4fbbbe153b596ec96ca00143fb38c8ad.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3544
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  PID:1684

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
43c85308b3521c5edc2fc74c5f4629d3

SHA1
cdcd65495d0f60c78e4ffb0e9432a3ec292ae5ab

SHA256
829ba5640530d95f79abe69e953217673dbe37b7f54026ca65c12c65ef7e5f80

SHA512
d422f2fed6d274301b39348cb87282c9ec55292be218bf9d09d9309857d2706a34e749a1997a186160468ab24933ca774df1627b5fb68bb66c429ab1618b90c3

Download Submit
memory/3544-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads