9bf936c5581ea04d9979a6c223342f6067b18ceb810fd6f3060a0287ab3edcee

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 02:37

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General

Target

8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
Size

209KB
MD5

8b2dae0ca4fcaa27a4ee6993c6d925bc
SHA1

4150ff0af606c65846df49dbb4daa5a813e4947a
SHA256

9bf936c5581ea04d9979a6c223342f6067b18ceb810fd6f3060a0287ab3edcee
SHA512

943d24ccda52984a43a51fb1ca4643c3422ca0516f1a9a4ef3a48dc4c17a8ed8990e58aef381375da851004fd924c195d6035c70f102874f6bf1b707c259a8b9
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8dpjBFy11Awi:o68i3odBiTl2+TCU/ihuhuIp4

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"	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon5.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File opened for modification	C:\Windows\winhash_up.exez	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\winhash_up.exe	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\bugMAKER.bat	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\winhash_up.exez	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	8b2dae0ca4fcaa27a4ee6993c6d925bc.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 2092 wrote to memory of 1392	2092	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe	2
PID 2092 wrote to memory of 1392	2092	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe	2
PID 2092 wrote to memory of 1392	2092	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe	2
PID 2092 wrote to memory of 1392	2092	8b2dae0ca4fcaa27a4ee6993c6d925bc.exe	2

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Windows\bugMAKER.bat
1⤵
PID:1392

C:\Users\Admin\AppData\Local\Temp\8b2dae0ca4fcaa27a4ee6993c6d925bc.exe
"C:\Users\Admin\AppData\Local\Temp\8b2dae0ca4fcaa27a4ee6993c6d925bc.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2092

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
1a24f0d49e8ca89bcba1ef514d752470

SHA1
271e22b448b5806a1304ea43b528af7d69478200

SHA256
bc15d0797df9d2339737ab441be03d96f108a740aaae90bb8de6b053f14365f1

SHA512
50535598e67f4dd7198ff555624ac52901714cc12d506e3ae21c46f1a2e02345353a92b15fe849a3f6e54a36bd7267d6654701c5939d1090076bfc89df909b8b

Download Submit
memory/1392-62-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/2092-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads