ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc

Analysis

max time kernel
175s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 12:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe
Size

3.5MB
MD5

437dc8431c037b96d421ade7a2a3f277
SHA1

d9c97536c5ff144da6c0c0559b1a24c32a480e97
SHA256

ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc
SHA512

c981e7200c56c7f10e950afd27f8681fbd70902b79bb6f43c3b13dc8d540b03bd551d20448f5a71054e59ed2458a6c386489ab13f3b309e21ebaee2513348a5a
SSDEEP

49152:is5SkP2lS1mdM03aT1PzXPwh11sXIAyT9tN93A4AD:B5SQrWM03o1DPs1sByTC

Score

7^/10

upx

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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4464-0-0x0000000000A00000-0x0000000000B3C000-memory.dmp	upx
behavioral2/memory/4464-25-0x0000000000A00000-0x0000000000B3C000-memory.dmp	upx
behavioral2/memory/4464-27-0x0000000000A00000-0x0000000000B3C000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsShell604675.log	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate538.log	dccw.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe
Token: SeDebugPrivilege	1396	dccw.exe
Token: SeIncBasePriorityPrivilege	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 1396	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	92
PID 4464 wrote to memory of 1396	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	92
PID 4464 wrote to memory of 1396	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	92
PID 4464 wrote to memory of 1396	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	92
PID 4464 wrote to memory of 1396	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	92
PID 4464 wrote to memory of 1396	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	92
PID 4464 wrote to memory of 4804	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	96
PID 4464 wrote to memory of 4804	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	96
PID 4464 wrote to memory of 4804	4464	ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe	96

C:\Users\Admin\AppData\Local\Temp\ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe
"C:\Users\Admin\AppData\Local\Temp\ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\SysWOW64\dccw.exe
  "C:\Windows\SysWOW64\dccw.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EC472B~1.EXE > nul
  2⤵
  PID:4804

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

memory/1396-17-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1396-22-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1396-3-0x0000000002CB0000-0x0000000002CCB000-memory.dmp

Filesize
108KB

Download
memory/1396-5-0x0000000002CB0000-0x0000000002CCB000-memory.dmp

Filesize
108KB

Download
memory/1396-7-0x0000000002CB0000-0x0000000002CCB000-memory.dmp

Filesize
108KB

Download
memory/1396-8-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1396-2-0x0000000000EC0000-0x0000000000FCD000-memory.dmp

Filesize
1.1MB

Download
memory/1396-19-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1396-33-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1396-21-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1396-16-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1396-28-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/4464-27-0x0000000000A00000-0x0000000000B3C000-memory.dmp

Filesize
1.2MB

Download
memory/4464-25-0x0000000000A00000-0x0000000000B3C000-memory.dmp

Filesize
1.2MB

Download
memory/4464-0-0x0000000000A00000-0x0000000000B3C000-memory.dmp

Filesize
1.2MB

Download