9be9152459f376dd2719e6e40c8c2b1015a6c98d7e8d4fe3fb5450e71bf08393

Analysis

max time kernel
92s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 10:52

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General

Target

49771a3bad6cc214819d8c8f99d69e44_JaffaCakes118.dll
Size

208KB
MD5

49771a3bad6cc214819d8c8f99d69e44
SHA1

6e6c9e28c47a33f47a0436eb156a905a8e10bd4b
SHA256

9be9152459f376dd2719e6e40c8c2b1015a6c98d7e8d4fe3fb5450e71bf08393
SHA512

56ae6424a63092c54b9a883176d1aca11f15757da97357e82efc00937641ebb926524d398f40f2c594480060365cbe707682f3a36fbedb6fc4405165eebf7ae0
SSDEEP

3072:gz0Up1VYik5/NJueo9W3SvrGMx/il23MpwecxStW5w2IT2PilpLO8PjTl:gz0K3Emeo9RDZcpwechtIaPe5

Score

7^/10

adware stealer

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1668	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{391E80DD-DC5C-4aca-9941-E8E80675E805}	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\h9app.dll	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}\TypeLib\ = "{2D88CE82-170F-4EFD-96F4-EF38C62794CB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBE4D01D-8414-46d5-90F5-A0699E263D74}\ProgID\ = "holland2m.HtmlPP.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Holland2.Holl2Sink\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}\VersionIndependentProgID\ = "Holland2.Holl2Sink"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBE4D01D-8414-46d5-90F5-A0699E263D74}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\ = "IHtmlPP"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\Holland2.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\holland2m.HtmlPP	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F993423-35FB-4C1F-A52E-62E8A415C6AF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Holland2.Holl2Sink.1\CLSID\ = "{391E80DD-DC5C-4aca-9941-E8E80675E805}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BBA6850-DC0F-4E62-BB12-2D0752584FEB}\ = "IHoll2Sink"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D88CE82-170F-4EFD-96F4-EF38C62794CB}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PROTOCOLS\Filter\text/html\ = "H2M"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\TypeLib\ = "{9F993423-35FB-4C1F-A52E-62E8A415C6AF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Holland2.Holl2Sink	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D88CE82-170F-4EFD-96F4-EF38C62794CB}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\holland2m.HtmlPP.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\holland2m.HtmlPP.1\CLSID\ = "{BBE4D01D-8414-46d5-90F5-A0699E263D74}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\holland2m.HtmlPP\CLSID\ = "{BBE4D01D-8414-46d5-90F5-A0699E263D74}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBE4D01D-8414-46d5-90F5-A0699E263D74}\VersionIndependentProgID\ = "holland2m.HtmlPP"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBE4D01D-8414-46d5-90F5-A0699E263D74}\TypeLib\ = "{9F993423-35FB-4C1F-A52E-62E8A415C6AF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Holland2.Holl2Sink\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BBA6850-DC0F-4E62-BB12-2D0752584FEB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BBA6850-DC0F-4E62-BB12-2D0752584FEB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Holland2.Holl2Sink.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D88CE82-170F-4EFD-96F4-EF38C62794CB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\holland2m.HtmlPP.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BBA6850-DC0F-4E62-BB12-2D0752584FEB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D88CE82-170F-4EFD-96F4-EF38C62794CB}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D88CE82-170F-4EFD-96F4-EF38C62794CB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\49771a3bad6cc214819d8c8f99d69e44_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BBA6850-DC0F-4E62-BB12-2D0752584FEB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\ = "IHtmlPP"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\Holland2.DLL\AppID = "{74CAC7F3-2682-488D-9D1B-9139E1B44E52}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6BBA6850-DC0F-4E62-BB12-2D0752584FEB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F993423-35FB-4C1F-A52E-62E8A415C6AF}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{74CAC7F3-2682-488D-9D1B-9139E1B44E52}\ = "Holland2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Holland2.Holl2Sink\ = "Holl2Sink Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBE4D01D-8414-46d5-90F5-A0699E263D74}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\holland2m.HtmlPP\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBE4D01D-8414-46d5-90F5-A0699E263D74}\InprocServer32\ = "C:\\Windows\\SysWow64\\h9app.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\holland2m.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\holland2m.DLL\AppID = "{6BBB01C2-4C64-4369-B486-392C4AD853F3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F993423-35FB-4C1F-A52E-62E8A415C6AF}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\h9app.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D88CE82-170F-4EFD-96F4-EF38C62794CB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBE4D01D-8414-46d5-90F5-A0699E263D74}\ = "HtmlPP Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Holland2.Holl2Sink\CLSID\ = "{391E80DD-DC5C-4aca-9941-E8E80675E805}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{6BBB01C2-4C64-4369-B486-392C4AD853F3}\ = "holland2m"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6BBA6850-DC0F-4E62-BB12-2D0752584FEB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{6BBB01C2-4C64-4369-B486-392C4AD853F3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F639C582-A54C-4ABC-B67C-592ED5E48E6A}\TypeLib\ = "{9F993423-35FB-4C1F-A52E-62E8A415C6AF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{74CAC7F3-2682-488D-9D1B-9139E1B44E52}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\49771a3bad6cc214819d8c8f99d69e44_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D88CE82-170F-4EFD-96F4-EF38C62794CB}\1.0\ = "Holland2 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{391E80DD-DC5C-4aca-9941-E8E80675E805}	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 512	908	regsvr32.exe	83
PID 908 wrote to memory of 512	908	regsvr32.exe	83
PID 908 wrote to memory of 512	908	regsvr32.exe	83
PID 512 wrote to memory of 1668	512	regsvr32.exe	87
PID 512 wrote to memory of 1668	512	regsvr32.exe	87
PID 512 wrote to memory of 1668	512	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\49771a3bad6cc214819d8c8f99d69e44_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\49771a3bad6cc214819d8c8f99d69e44_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:512
- - C:\Windows\SysWOW64\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /s h9app.dll
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\h9app.dll

Filesize
84KB

MD5
2e47f50e5672e6b67292b79fdd42a867

SHA1
b15c812c38059707d2a4ce994c981631da8f21a6

SHA256
3956ef1858b259587ba77c1019c7c6933396287493074acff48bb5f0e1859482

SHA512
e554b7de0576915ab88b7eafd1a68b4687376ac8593ed3ce4021b258a33fb1ffcb017171fc7616e8c5fafc6a621e415c299ccd224744ff48c299e3aeebaa0a2a

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