c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2

Analysis

max time kernel
143s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2024, 13:56

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General

Target

c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe
Size

830KB
MD5

0e45c816a060cf6a4ecbeec8394a250a
SHA1

df1a520618312d1721626fa0ed77fc308d9f9505
SHA256

c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2
SHA512

04d41d27a63bfcb9d893a713b76fc5f5108a9f7976de4974cbaee54a5d7a6af4d876f0451c691b35893d7552a1c2e3d7056d45a107552c9e234df5808ca488d8
SSDEEP

12288:ZEmC92VnpahSR7BwkASR49lkQHMIWnDp2f47z4PUUhyVb4yDKUgM03qcmT1Pd2Kr:ZEF96C6BwkP2lsl8fEQemdM03zmT1PN

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4876-0-0x0000000000420000-0x000000000055C000-memory.dmp	upx
behavioral2/memory/4876-27-0x0000000000420000-0x000000000055C000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsShell25241.log	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate03.log	regsvr32.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	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe
Token: SeDebugPrivilege	3420	regsvr32.exe
Token: SeIncBasePriorityPrivilege	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 3420	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	87
PID 4876 wrote to memory of 3420	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	87
PID 4876 wrote to memory of 3420	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	87
PID 4876 wrote to memory of 3420	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	87
PID 4876 wrote to memory of 3420	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	87
PID 4876 wrote to memory of 3420	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	87
PID 4876 wrote to memory of 1152	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	92
PID 4876 wrote to memory of 1152	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	92
PID 4876 wrote to memory of 1152	4876	c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe	92

C:\Users\Admin\AppData\Local\Temp\c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe
"C:\Users\Admin\AppData\Local\Temp\c406331e766cdcedca068b25c61a8c4bed4ab7cfa6058ffc76ded4fdebe200b2.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\SysWOW64\regsvr32.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C40633~1.EXE > nul
  2⤵
  PID:1152

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

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Downloads

memory/3420-19-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3420-28-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3420-3-0x0000000000E70000-0x0000000000E8B000-memory.dmp

Filesize
108KB

Download
memory/3420-6-0x0000000000E70000-0x0000000000E8B000-memory.dmp

Filesize
108KB

Download
memory/3420-7-0x0000000000E70000-0x0000000000E8B000-memory.dmp

Filesize
108KB

Download
memory/3420-8-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3420-16-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3420-32-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3420-2-0x0000000000AC0000-0x0000000000BCD000-memory.dmp

Filesize
1.1MB

Download
memory/3420-17-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3420-23-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3420-21-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/4876-27-0x0000000000420000-0x000000000055C000-memory.dmp

Filesize
1.2MB

Download
memory/4876-0-0x0000000000420000-0x000000000055C000-memory.dmp

Filesize
1.2MB

Download