a306058f815aa49877385cc119e312cebd42938d8d8150aed84833377d2730bc

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:02

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General

Target

e5f7c9d2f7572524c93a16fa2c0b0914.exe
Size

235KB
MD5

e5f7c9d2f7572524c93a16fa2c0b0914
SHA1

828ac0b71b26de2188ed92b61d9745e984436782
SHA256

a306058f815aa49877385cc119e312cebd42938d8d8150aed84833377d2730bc
SHA512

dfa2f5f4b23b3726e12620023cc10db528e9b8e8e8ee530f8c76ada3ade929ef6f3df4499090d1d625e94323de9dc4fb95d1fcc2ea0dae77165572867441549c
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8lkgnYHfQlAD:o68i3odBiTl2+TCU/6k8KfQlE/

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	cmd.exe

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"	e5f7c9d2f7572524c93a16fa2c0b0914.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon2.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\bugMAKER.bat	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\winhash_up.exez	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File opened for modification	C:\Windows\winhash_up.exez	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\winhash_up.exe	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	e5f7c9d2f7572524c93a16fa2c0b0914.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1708	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 1708	3968	e5f7c9d2f7572524c93a16fa2c0b0914.exe	25
PID 3968 wrote to memory of 1708	3968	e5f7c9d2f7572524c93a16fa2c0b0914.exe	25
PID 3968 wrote to memory of 1708	3968	e5f7c9d2f7572524c93a16fa2c0b0914.exe	25

C:\Users\Admin\AppData\Local\Temp\e5f7c9d2f7572524c93a16fa2c0b0914.exe
"C:\Users\Admin\AppData\Local\Temp\e5f7c9d2f7572524c93a16fa2c0b0914.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:1708

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
958c0e0af4577a18e67adfa75425babb

SHA1
eedf5ca8fb817d7e183f35a03d4979d52fbab276

SHA256
7641a2f202c27361cd4da847bef7c7bbc6d92b8f8360b9761a608d48cacf3611

SHA512
7d6b51aac6968f45ab14ab89760490152689a8959807b03df78c91a837df3154654a7cf9d5e14421f1261ae2c1731f5f3bd903378b6f0332167dce27e49bcddc

Download Submit
memory/3968-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads