138c555d42084b20aeffe0f8bc097b440e581840a4e897c23b28f146f2aa86e6

General

Target

8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Size

78KB
MD5

8329e89dbada1a981dca28cd67dd1a2e
SHA1

9f3939a3d71feeebc7f028c0f1dc0c8accf034db
SHA256

138c555d42084b20aeffe0f8bc097b440e581840a4e897c23b28f146f2aa86e6
SHA512

8922ebc24bc473a2c962972984335d03efc9c98910ba00e3302bdf9c70b7400776f1f602990af014e5c8d1296ec5074e7bacd98a3ff91f953c9b83bffe013287
SSDEEP

1536:BM+hZsshR8/SaP3o0zbDyRatLMXhOoh6k1BKOOcLm6DX047HBTl9W:OEZssXA3ZyRatC6kSvohTl9W

Score

7^/10

adware discovery stealer

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-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
32	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\{78364D99-A640-4ddf-B91A-67EFF8373045}	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{78364D99-A640-4ddf-B91A-67EFF8373045}	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\appwiz.dll	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\appwiz.dll	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Software\Microsoft\Internet Explorer\Main	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	regsvr32.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{78364D99-A640-4ddf-B91A-67EFF8373045}	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32\ = "C:\\Windows\\SysWow64\\appwiz.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32\ = "C:\\Windows\\SysWow64\\\\appwiz.dll"	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{78364D99-A640-4ddf-B91A-67EFF8373045}\InprocServer32\ThreadingModel = "apartment"	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{78364D99-A640-4ddf-B91A-67EFF8373045}	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 32	4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe	86
PID 4000 wrote to memory of 32	4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe	86
PID 4000 wrote to memory of 32	4000	8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8329e89dbada1a981dca28cd67dd1a2e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\\appwiz.dll
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:32

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\appwiz.dll

Filesize
62KB

MD5
9db803cc3940348f05dc4ba7c4e761d8

SHA1
500b2603e36c45e0234a55e9e67f2aeefc26d0e7

SHA256
8c831a2d04683d3688fb1e15fa9df15a655409f82aa2ba0696ce03aaa1af409b

SHA512
33ceb5e5d4b01b6b837c4c14dc0442a25ede5a27a61fb6a611781b2581df52f4eebed9ea366873a0c2c29f79f3de9d9232ad90c1332cd6506d07a339f6a1e632

Download Submit
memory/32-6-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/32-7-0x0000000010025000-0x0000000010026000-memory.dmp

Filesize
4KB

Download
memory/4000-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4000-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads