c255b6ad7a6523ab6c7da49e3b1fd67b63fbad57a4e0b2039488a5796bb2685a

Analysis

max time kernel
147s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 05:59

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General

Target

58502fff04bbd6047c4a4dfebc720c21.exe
Size

52KB
MD5

58502fff04bbd6047c4a4dfebc720c21
SHA1

0aa086ace22a5f3d95b1471163889036a292ed9c
SHA256

c255b6ad7a6523ab6c7da49e3b1fd67b63fbad57a4e0b2039488a5796bb2685a
SHA512

a712ab43244c25e1af857e2dc343a364b1cf4390740675b30c92a4c5714be1d475c20d99b1158df4cca22543fa5c1069add87366c64f801189a527832ade1c0e
SSDEEP

384:2UJOEJ1EJpEJl4pdzE3Phnc0LiW3r2OwsrTY:zN8kLOdzknc02Wb2A

Score

7^/10

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	58502fff04bbd6047c4a4dfebc720c21.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\ietlbass.dll	58502fff04bbd6047c4a4dfebc720c21.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 2872	3208	58502fff04bbd6047c4a4dfebc720c21.exe	92
PID 3208 wrote to memory of 2872	3208	58502fff04bbd6047c4a4dfebc720c21.exe	92
PID 3208 wrote to memory of 2872	3208	58502fff04bbd6047c4a4dfebc720c21.exe	92
PID 3208 wrote to memory of 4792	3208	58502fff04bbd6047c4a4dfebc720c21.exe	95
PID 3208 wrote to memory of 4792	3208	58502fff04bbd6047c4a4dfebc720c21.exe	95
PID 3208 wrote to memory of 4792	3208	58502fff04bbd6047c4a4dfebc720c21.exe	95
PID 3208 wrote to memory of 2004	3208	58502fff04bbd6047c4a4dfebc720c21.exe	100
PID 3208 wrote to memory of 2004	3208	58502fff04bbd6047c4a4dfebc720c21.exe	100
PID 3208 wrote to memory of 2004	3208	58502fff04bbd6047c4a4dfebc720c21.exe	100
PID 3208 wrote to memory of 1284	3208	58502fff04bbd6047c4a4dfebc720c21.exe	105
PID 3208 wrote to memory of 1284	3208	58502fff04bbd6047c4a4dfebc720c21.exe	105
PID 3208 wrote to memory of 1284	3208	58502fff04bbd6047c4a4dfebc720c21.exe	105
PID 3208 wrote to memory of 4328	3208	58502fff04bbd6047c4a4dfebc720c21.exe	107
PID 3208 wrote to memory of 4328	3208	58502fff04bbd6047c4a4dfebc720c21.exe	107
PID 3208 wrote to memory of 4328	3208	58502fff04bbd6047c4a4dfebc720c21.exe	107
PID 3208 wrote to memory of 4116	3208	58502fff04bbd6047c4a4dfebc720c21.exe	108
PID 3208 wrote to memory of 4116	3208	58502fff04bbd6047c4a4dfebc720c21.exe	108
PID 3208 wrote to memory of 4116	3208	58502fff04bbd6047c4a4dfebc720c21.exe	108
PID 3208 wrote to memory of 4420	3208	58502fff04bbd6047c4a4dfebc720c21.exe	109
PID 3208 wrote to memory of 4420	3208	58502fff04bbd6047c4a4dfebc720c21.exe	109
PID 3208 wrote to memory of 4420	3208	58502fff04bbd6047c4a4dfebc720c21.exe	109
PID 3208 wrote to memory of 3652	3208	58502fff04bbd6047c4a4dfebc720c21.exe	111
PID 3208 wrote to memory of 3652	3208	58502fff04bbd6047c4a4dfebc720c21.exe	111
PID 3208 wrote to memory of 3652	3208	58502fff04bbd6047c4a4dfebc720c21.exe	111
PID 3208 wrote to memory of 4964	3208	58502fff04bbd6047c4a4dfebc720c21.exe	112
PID 3208 wrote to memory of 4964	3208	58502fff04bbd6047c4a4dfebc720c21.exe	112
PID 3208 wrote to memory of 4964	3208	58502fff04bbd6047c4a4dfebc720c21.exe	112
PID 3208 wrote to memory of 1268	3208	58502fff04bbd6047c4a4dfebc720c21.exe	113
PID 3208 wrote to memory of 1268	3208	58502fff04bbd6047c4a4dfebc720c21.exe	113
PID 3208 wrote to memory of 1268	3208	58502fff04bbd6047c4a4dfebc720c21.exe	113
PID 3208 wrote to memory of 808	3208	58502fff04bbd6047c4a4dfebc720c21.exe	114
PID 3208 wrote to memory of 808	3208	58502fff04bbd6047c4a4dfebc720c21.exe	114
PID 3208 wrote to memory of 808	3208	58502fff04bbd6047c4a4dfebc720c21.exe	114
PID 3208 wrote to memory of 4360	3208	58502fff04bbd6047c4a4dfebc720c21.exe	119
PID 3208 wrote to memory of 4360	3208	58502fff04bbd6047c4a4dfebc720c21.exe	119
PID 3208 wrote to memory of 4360	3208	58502fff04bbd6047c4a4dfebc720c21.exe	119
PID 3208 wrote to memory of 3456	3208	58502fff04bbd6047c4a4dfebc720c21.exe	120
PID 3208 wrote to memory of 3456	3208	58502fff04bbd6047c4a4dfebc720c21.exe	120
PID 3208 wrote to memory of 3456	3208	58502fff04bbd6047c4a4dfebc720c21.exe	120
PID 3208 wrote to memory of 3716	3208	58502fff04bbd6047c4a4dfebc720c21.exe	121
PID 3208 wrote to memory of 3716	3208	58502fff04bbd6047c4a4dfebc720c21.exe	121
PID 3208 wrote to memory of 3716	3208	58502fff04bbd6047c4a4dfebc720c21.exe	121

C:\Users\Admin\AppData\Local\Temp\58502fff04bbd6047c4a4dfebc720c21.exe
"C:\Users\Admin\AppData\Local\Temp\58502fff04bbd6047c4a4dfebc720c21.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2872
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:4792
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:2004
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:1284
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:4328
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:4116
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:4420
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:3652
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:4964
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:1268
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:808
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:4360
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:3456
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\ietlbass.dll
  2⤵
  PID:3716

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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