bcfb48a0abb04179fa6bee4af69707d4dcc7dc2748214cf5f9a12c76eca6d2a3

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 01:02

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Reason

Machine shutdown

Report Analysis Logs

General

Target

95d6c2b996bd088f28f8928187dfc835.exe
Size

244KB
MD5

95d6c2b996bd088f28f8928187dfc835
SHA1

bc0cb69e9cc893fa862dbf981f271c71b1b72341
SHA256

bcfb48a0abb04179fa6bee4af69707d4dcc7dc2748214cf5f9a12c76eca6d2a3
SHA512

f8d95ebb83ef4f94868d9983a255b04c448fb529dc9d2f29c414b7718575aab75be2f3122e5f5a06266d2549947d043e2fde2216914cdcfc44cc6ae7d073864b
SSDEEP

6144:gLCdTnGMN0wQY+NCb8NlLClQX8vE6Hs9dPd7s8Gmc:VRm7C8vLX8v+fd7sXV

Score

8^/10

adware persistence stealer

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Iprip\Parameters\ServiceDll = "C:\\Windows\\system32\\liprip.dll"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Iprip\Parameters\ServiceDll = "C:\\WINDOWS\\SYSTEM32\\liprip.dll"	dkr.exe

Executes dropped EXE 1 IoCs

pid	Process
808	dkr.exe

Loads dropped DLL 4 IoCs

pid	Process
2096	95d6c2b996bd088f28f8928187dfc835.exe
2096	95d6c2b996bd088f28f8928187dfc835.exe
2436	svchost.exe
2436	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\repst = "C:\\Windows\\system32\\iprep.exe"	svchost.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\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\iprep.exe	svchost.exe
File created	C:\Windows\SysWOW64\fsutk.dll	95d6c2b996bd088f28f8928187dfc835.exe
File created	C:\WINDOWS\SysWOW64\liprip.dll	dkr.exe
File opened for modification	C:\WINDOWS\SysWOW64\liprip.dll	dkr.exe
File opened for modification	C:\Windows\SysWOW64\fsutk.dll	svchost.exe

Modifies data under HKEY_USERS 49 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.2	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.2	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext\Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.1	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.0	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R18.0	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Flags = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\S-1-5-18	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.0	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Flags = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Ext\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Flags = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.1	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	svchost.exe

Modifies registry class 22 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF604EFE-8897-11D1-B944-00A0C90312E1}\InProcServer32\	dkr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "QuickFlash"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "QuickFlash"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ = "C:\\Windows\\SysWow64\\fsutk.dll"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF604EFE-8897-11D1-B944-00A0C90312E1}\InProcServer32\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2436	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2096	95d6c2b996bd088f28f8928187dfc835.exe
808	dkr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 808	2096	95d6c2b996bd088f28f8928187dfc835.exe	28
PID 2096 wrote to memory of 808	2096	95d6c2b996bd088f28f8928187dfc835.exe	28
PID 2096 wrote to memory of 808	2096	95d6c2b996bd088f28f8928187dfc835.exe	28
PID 2096 wrote to memory of 808	2096	95d6c2b996bd088f28f8928187dfc835.exe	28

C:\Users\Admin\AppData\Local\Temp\95d6c2b996bd088f28f8928187dfc835.exe
"C:\Users\Admin\AppData\Local\Temp\95d6c2b996bd088f28f8928187dfc835.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\dkr.exe
  "C:\Users\Admin\AppData\Local\Temp\dkr.exe"
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:808

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2436

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2948

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\fsutk.dll

Filesize
116KB

MD5
f4fff9b6616f5620353f9894b4b76168

SHA1
ac4631891ba8e63f420cff37c0557b02c7d2ea00

SHA256
8d201107cfe700cac72d710a362ffe1fca9814fd4fe024ba1f1413a53c9bef1e

SHA512
744ecf11ef1e8cfacc41aa17d980766bf2bb1efd1c5dead014591275541d50e00d631e7f87f4bd0c9957f61c3aa548588cea6a1343cd2d0bcfcd9100f0f54784

Download Submit
\??\c:\$Recycle.bin\int.dat

Filesize
220KB

MD5
6ead7a252dfa3679b8265d419a7c93ca

SHA1
622963be979c3f3d73439abd4b5cef0b691bd1d5

SHA256
1c5594c53da40b07a13ff8d06dc6c3b6951bdd78d5acad4d5cb4464470f17988

SHA512
402077cde7ba5db0fc4591ce9f3708a463060f733735af0d3356385a04f31e369473f3b26449852a6d8791504a9b896c2432a2b1ea458362033852a853fc9617

Download Submit
\??\c:\windows\SysWOW64\liprip.dll

Filesize
84KB

MD5
3143e617511fe15071999510425c8c76

SHA1
3fdd1d08e0eac1edea18c4f911490113f9f5ad6d

SHA256
54fed928d4a98e54ae7a770e0aeda96c0e207f4835786e9b772dd8148acd19d0

SHA512
fafb5400186a39916c34e573246452fd37e7a789abf778827e17de061fe6556ad18c56d6e5dffd7f1469257112e8981ad87208ed3d0dcba29b9f4e84fb5e4075

Download Submit
\Users\Admin\AppData\Local\Temp\dkr.exe

Filesize
20KB

MD5
a48ce2e93b66515818dc63f53e7a9466

SHA1
23d9fbcc191a08bd869111b2fdf4337176caf64b

SHA256
a6f0bde33ed72797a7e4c01f8c0fd0e9cb5c548947576aa7c1a12d36e70e1594

SHA512
6a1a925417f5bb429313b19acc00d9f87ffba62a0e682ff16d67684b20ef61172e353e91db1b9da35b957053a4c4095b85f1579961940389636433c76c58cfc9

Download Submit
memory/1504-185-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/2436-19-0x0000000000090000-0x00000000000B0000-memory.dmp

Filesize
128KB

Download
memory/2948-98-0x0000000002B80000-0x0000000002B81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads