7dc1abdd458c7a41dc57b298a0fe682d220b15349416fc2a9bdddcadaaafb57a

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 08:23

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

530549ace07d66acbdb35b8c940b73ad.exe
Size

66KB
MD5

530549ace07d66acbdb35b8c940b73ad
SHA1

f1e7a825b1ad928a2167b9dd9b15c64156c632de
SHA256

7dc1abdd458c7a41dc57b298a0fe682d220b15349416fc2a9bdddcadaaafb57a
SHA512

7e3d5811860093feedfccc69e9b75b30fb78cacd2863f33185e6c909f1696a959cdd1ebeccc7688057de75f96cd017571f25658bde0784fa4d96688bc3ad2f03
SSDEEP

768:nh0x+cfOgi7H0J4FKJGT8eINWc8WvNYA30R7TtL7TGLSj:nha7fH6HY4FKITxINZy37VGLSj

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	530549ace07d66acbdb35b8c940b73ad.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	wintems.exe

Executes dropped EXE 3 IoCs

pid	Process
4596	mdelk.exe
2648	wintems.exe
4064	mdelk.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wintems.exe	530549ace07d66acbdb35b8c940b73ad.exe
File created	C:\Windows\SysWOW64\mdelk.exe	530549ace07d66acbdb35b8c940b73ad.exe
File opened for modification	C:\Windows\SysWOW64\mdelk.exe	530549ace07d66acbdb35b8c940b73ad.exe
File created	C:\Windows\SysWOW64\wintems.exe	530549ace07d66acbdb35b8c940b73ad.exe
File opened for modification	C:\Windows\SysWOW64\wintems.exe	wintems.exe
File opened for modification	C:\Windows\SysWOW64\mdelk.exe	wintems.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4596	mdelk.exe
4596	mdelk.exe
4064	mdelk.exe
4064	mdelk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	530549ace07d66acbdb35b8c940b73ad.exe
Token: SeDebugPrivilege	4596	mdelk.exe
Token: SeDebugPrivilege	2648	wintems.exe
Token: SeDebugPrivilege	4064	mdelk.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 4596	2312	530549ace07d66acbdb35b8c940b73ad.exe	91
PID 2312 wrote to memory of 4596	2312	530549ace07d66acbdb35b8c940b73ad.exe	91
PID 2312 wrote to memory of 4596	2312	530549ace07d66acbdb35b8c940b73ad.exe	91
PID 2312 wrote to memory of 2648	2312	530549ace07d66acbdb35b8c940b73ad.exe	92
PID 2312 wrote to memory of 2648	2312	530549ace07d66acbdb35b8c940b73ad.exe	92
PID 2312 wrote to memory of 2648	2312	530549ace07d66acbdb35b8c940b73ad.exe	92
PID 2648 wrote to memory of 4064	2648	wintems.exe	93
PID 2648 wrote to memory of 4064	2648	wintems.exe	93
PID 2648 wrote to memory of 4064	2648	wintems.exe	93

C:\Users\Admin\AppData\Local\Temp\530549ace07d66acbdb35b8c940b73ad.exe
"C:\Users\Admin\AppData\Local\Temp\530549ace07d66acbdb35b8c940b73ad.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\mdelk.exe
  "C:\Windows\system32\mdelk.exe" -upd
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4596
- C:\Windows\SysWOW64\wintems.exe
  "C:\Windows\system32\wintems.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\mdelk.exe
    "C:\Windows\system32\mdelk.exe" -upd
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\mdelk.exe

Filesize
66KB

MD5
530549ace07d66acbdb35b8c940b73ad

SHA1
f1e7a825b1ad928a2167b9dd9b15c64156c632de

SHA256
7dc1abdd458c7a41dc57b298a0fe682d220b15349416fc2a9bdddcadaaafb57a

SHA512
7e3d5811860093feedfccc69e9b75b30fb78cacd2863f33185e6c909f1696a959cdd1ebeccc7688057de75f96cd017571f25658bde0784fa4d96688bc3ad2f03

Download Submit
memory/2312-0-0x0000000000400000-0x0000000000429E6D-memory.dmp

Filesize
167KB

Download
memory/2312-19-0x0000000000400000-0x0000000000429E6D-memory.dmp

Filesize
167KB

Download
memory/2648-27-0x0000000000400000-0x0000000000429E6D-memory.dmp

Filesize
167KB

Download
memory/4596-9-0x0000000000400000-0x0000000000429E6D-memory.dmp

Filesize
167KB

Download
memory/4596-10-0x0000000000400000-0x0000000000429E6D-memory.dmp

Filesize
167KB

Download