41dbca99a93a179f5743a99e98bf2754bf48504be86283e5e29fea81e8967de0

General

Target

5bfbefce245361ea1fbb2f2b3754f27b.dll
Size

406KB
MD5

5bfbefce245361ea1fbb2f2b3754f27b
SHA1

d13ac86cfd9e18b7ecc79950e74c12ed12a15820
SHA256

41dbca99a93a179f5743a99e98bf2754bf48504be86283e5e29fea81e8967de0
SHA512

82085d24a4f8523893b3c00fd539ff735c20eadc5acfd141a1b8c2f94b4ac1a2327761cd3c1d6697443a86bd6933810de95753457baecc771e52e75670eeb78b
SSDEEP

12288:mhux3lU4wiNKVHoJur+kbMnNVx7yu7z6cXfdgP2LW:mhhiN8IICgMnB3XfdgmW

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 12 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Explorer Bars\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Explorer Bars\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Explorer Bars\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\BarSize = fd00000000000000	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Explorer Bars\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Explorer Bars\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\BarSize = fd00000000000000	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN	regsvr32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\iexplore.exe = "0"	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\Implemented Categories\{00021493-0000-0000-C000-000000000046}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5bfbefce245361ea1fbb2f2b3754f27b.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7AF21BEE-C9F9-4AD9-80DA-FA3618FA46B1}\ = "ÃßÃµ»çÀÌÆ®"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2328	1064	regsvr32.exe	28
PID 1064 wrote to memory of 2328	1064	regsvr32.exe	28
PID 1064 wrote to memory of 2328	1064	regsvr32.exe	28
PID 1064 wrote to memory of 2328	1064	regsvr32.exe	28
PID 1064 wrote to memory of 2328	1064	regsvr32.exe	28
PID 1064 wrote to memory of 2328	1064	regsvr32.exe	28
PID 1064 wrote to memory of 2328	1064	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5bfbefce245361ea1fbb2f2b3754f27b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5bfbefce245361ea1fbb2f2b3754f27b.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2328-0-0x0000000001FA0000-0x00000000020F6000-memory.dmp

Filesize
1.3MB

Download
memory/2328-1-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download

Analysis

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