b5ea6c0b6046f1df64aa99356e4d1055ee55ae60fad8d747e30759fd0802c1c7

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 14:12

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General

Target

baaa96aff39ab469dd7b9f349a0ca99b.exe
Size

165KB
MD5

baaa96aff39ab469dd7b9f349a0ca99b
SHA1

89ad3ad3e453ef1d0eb98f39f82f9311a5e2c552
SHA256

b5ea6c0b6046f1df64aa99356e4d1055ee55ae60fad8d747e30759fd0802c1c7
SHA512

c96eb7d1e75330a41ef83a4405ed264abf5ad52bbe2667a374f8eef70a254f772b6b185a6076b04ab2fa0e13d8d7ccf88d7114cb8a9106c60c3c33bf1803a9e2
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8f:o68i3odBiTl2+TCU/K

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"	baaa96aff39ab469dd7b9f349a0ca99b.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exe	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\winhash_up.exez	baaa96aff39ab469dd7b9f349a0ca99b.exe
File opened for modification	C:\Windows\winhash_up.exez	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\bugMAKER.bat	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	baaa96aff39ab469dd7b9f349a0ca99b.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	baaa96aff39ab469dd7b9f349a0ca99b.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 2872 wrote to memory of 2668	2872	baaa96aff39ab469dd7b9f349a0ca99b.exe	28
PID 2872 wrote to memory of 2668	2872	baaa96aff39ab469dd7b9f349a0ca99b.exe	28
PID 2872 wrote to memory of 2668	2872	baaa96aff39ab469dd7b9f349a0ca99b.exe	28
PID 2872 wrote to memory of 2668	2872	baaa96aff39ab469dd7b9f349a0ca99b.exe	28

C:\Users\Admin\AppData\Local\Temp\baaa96aff39ab469dd7b9f349a0ca99b.exe
"C:\Users\Admin\AppData\Local\Temp\baaa96aff39ab469dd7b9f349a0ca99b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2668

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
976e10803d68d378cf2b6b1352d80ec8

SHA1
9bdf379ec8b5e824d97ab099c08819a59346453c

SHA256
9eebe910f79d4761c35235335590fdab6ce82bceeef643cc921c01bab550967c

SHA512
2a7f6438198e2841978be14138d52aa80900c7084c496c9bfaff4ec8b6aebbfc7e79b2345ca09878aa009c73cc4eb5bfba48ba7ef34ba78775bc02d1fe5576b1

Download Submit
memory/2668-62-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download
memory/2872-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads