ff28c02309cb561eee67921951ac347683c54d469ebebc5d1ea75dea5169cf3c

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:09

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General

Target

ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
Size

305KB
MD5

ea7910ae29ced592fc59a387a139e143
SHA1

a8c90663c76d6967f2b4810fd81a42aac977d5be
SHA256

ff28c02309cb561eee67921951ac347683c54d469ebebc5d1ea75dea5169cf3c
SHA512

844de6bcdefd7db06409dc7fe6daa45f02ff45820d2b71c19c3f753ba6e2a589c819103ae930f051ab9f3a864c8255645040f22992eceedc61c85ddeefaa9d19
SSDEEP

6144:b/Ze2jL5YYlbb087oYB3rWTjfc39qcjR8SpvK4:dDL59Nb08XNr8jMLRZ

Score

8^/10

adware discovery persistence stealer upx

Malware Config

Signatures

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\system32\\ctfmon_oq.exe"	regsvr32.exe

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1100	regsvr32.exe

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1084-5-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-6-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-3-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-7-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-9-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-10-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-11-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-12-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-13-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-14-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-15-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-16-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-17-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-18-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-19-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-20-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-21-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-22-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/1084-23-0x0000000000400000-0x0000000000499000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 3 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\{2B89F655-A3BB-3306-9528-3D4265835FAE}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2B89F655-A3BB-3306-9528-3D4265835FAE}\IExplore = "1"	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xwr41512.dll	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ctfmon_oq.exe	regsvr32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1148 set thread context of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83

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 3 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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe

Modifies registry class 41 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\ = "IDOMPeek"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\xwr41512.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{2B89F655-A3BB-3306-9528-3D4265835FAE}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\TypeLib\ = "{E16609CF-068B-3DF7-8B2A-05BEC62EE277}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{2B89F655-A3BB-3306-9528-3D4265835FAE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\ = "IDOMPeek"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\TypeLib\ = "{E16609CF-068B-3DF7-8B2A-05BEC62EE277}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\InprocServer32\ = "C:\\Windows\\SysWow64\\xwr41512.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\ProgID\ = "D.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\VersionIndependentProgID\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\ = "LIB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E16609CF-068B-3DF7-8B2A-05BEC62EE277}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F714A694-4C56-3874-AF14-F900A6C80F4D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2B89F655-A3BB-3306-9528-3D4265835FAE}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1084	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1556	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1556	AUDIODG.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1100	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	82
PID 1148 wrote to memory of 1100	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	82
PID 1148 wrote to memory of 1100	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	82
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83
PID 1148 wrote to memory of 1084	1148	ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\xwr41512.dll
  2⤵
  - Event Triggered Execution: Image File Execution Options Injection
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1100
- C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1084

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3f8 0x470
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\xwr41512.dll

Filesize
216KB

MD5
fb65b35f65e247b9466d21a414922ad2

SHA1
240672049cff525367ce0e9113f4e6983b007038

SHA256
28427c64224b8e06685dc0b8527a94d5ec453e62102db2357b429b52fa377c56

SHA512
4404bbe1637bfacff52656c7ef41011961b09dfb8da72b8eaf37f3466e82ae3fbfc90f4c052895faacae4d940cb5baa84c838fec6f1465608f0ee5acf3836f9c

Download Submit
memory/1084-5-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-6-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-3-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-7-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-9-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-10-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-11-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-12-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-13-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-14-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-15-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-16-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-17-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-18-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-19-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-20-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-21-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-22-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/1084-23-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads