680c2a9e7a9fce9690f30a3663a8b91ed2e3ab0df4305122a61c374387ee8bfe

Analysis

max time kernel
121s
max time network
138s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 23:01

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General

Target

1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
Size

192KB
MD5

1f4a44a94c5ae3eb5d51fa92e4c1a76d
SHA1

1a9b116c5de87f6c8fb5e14e73624ce49b6c1d0d
SHA256

680c2a9e7a9fce9690f30a3663a8b91ed2e3ab0df4305122a61c374387ee8bfe
SHA512

684fc88f041b9962e59f0da0a882be195cfd411f86a25a5748c2f2c5b5b4506e6610b876fb0524e9cba8033090dbba468ed49920dd993a2bde250dec24ef0aaf
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B87pjBFy11AwA:o68i3odBiTl2+TCU/Whuhut

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"	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon3.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\winhash_up.exez	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File opened for modification	C:\Windows\winhash_up.exez	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\winhash_up.exe	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\bugMAKER.bat	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	1f4a44a94c5ae3eb5d51fa92e4c1a76d.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 3036 wrote to memory of 2712	3036	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe	28
PID 3036 wrote to memory of 2712	3036	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe	28
PID 3036 wrote to memory of 2712	3036	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe	28
PID 3036 wrote to memory of 2712	3036	1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe	28

C:\Users\Admin\AppData\Local\Temp\1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe
"C:\Users\Admin\AppData\Local\Temp\1f4a44a94c5ae3eb5d51fa92e4c1a76d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3036
- 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
e020f3c3c61f0caf46391548e41e2781

SHA1
8d1fbd6eb729b11e816114356723d570d4f20fa3

SHA256
045ee169ae3a3b70c272aa7c2bbdbbf0f11ff6b03533572ae3506d554f99c2d5

SHA512
9ced65a542fa61f42d50b937ec733b3b1cb014b29e48c9a4405a66fe044e34c6ff0d2e45fb7247ae0c7b2f20150624901ad9c2ab67ab22c5a162aa27d90199a1

Download Submit
memory/2712-62-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/3036-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads