09ae7271c958773d1f2e7c32344c14b744b54e84bd4fe54edcf681fd660be347

Analysis

max time kernel
96s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 07:07 UTC

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General

Target

04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
Size

17KB
MD5

04cd640e7410608a2431748c86cda646
SHA1

16c486a32f0a43eeb8705600c108570fbb1a37d0
SHA256

09ae7271c958773d1f2e7c32344c14b744b54e84bd4fe54edcf681fd660be347
SHA512

51f7dd044ae51b651d9a4d0e86aab53b233d0eda95682053dc8974c5076ef791bcaaead45b475cd298fcc820ab8ef7c43d86ccc4ac2b973588f72ab6d9be7bab
SSDEEP

384:GOdmqUQPMgEXh9qg0qT+91piJ0QcrjJDvPc2nf4:GOiuMag/K9SJeRPc2f

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\C:\Windows\fonts\mtbbpxpf.dll = "{4EAA8F86-4217-48D0-A976-389247780A14}"	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
4724	regsvr32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/620-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/620-9-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\fonts\mtbbpxpf.tmp	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
File opened for modification	C:\Windows\fonts\gzjxsj01.dat	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe

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	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl.1\CLSID\ = "{4EAA8F86-4217-48D0-A976-389247780A14}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\TypeLib\ = "{D67CE309-75A0-459B-8D62-3A5D74239542}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl\ = "gzjxatl Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl\CurVer\ = "JXSJ.gzjxatl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\ProgID\ = "JXSJ.gzjxatl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\InprocServer32\ = "C:\\Windows\\fonts\\mtbbpxpf.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\ = "JXSJ 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl.1\ = "gzjxatl Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl\CLSID\ = "{4EAA8F86-4217-48D0-A976-389247780A14}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\VersionIndependentProgID\ = "JXSJ.gzjxatl"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\ = "Igzjxatl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\TypeLib\ = "{D67CE309-75A0-459B-8D62-3A5D74239542}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\ = "gzjxatl Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\ = "Igzjxatl"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{720637CE-65CC-4FCF-9EFA-EDBDE8BFD345}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JXSJ.gzjxatl\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EAA8F86-4217-48D0-A976-389247780A14}\TypeLib\ = "{D67CE309-75A0-459B-8D62-3A5D74239542}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\0\win32\ = "C:\\Windows\\fonts\\mtbbpxpf.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D67CE309-75A0-459B-8D62-3A5D74239542}\1.0\HELPDIR\ = "C:\\Windows\\fonts"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 4724	620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe	82
PID 620 wrote to memory of 4724	620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe	82
PID 620 wrote to memory of 4724	620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe	82
PID 620 wrote to memory of 528	620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe	91
PID 620 wrote to memory of 528	620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe	91
PID 620 wrote to memory of 528	620	04cd640e7410608a2431748c86cda646_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\04cd640e7410608a2431748c86cda646_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\04cd640e7410608a2431748c86cda646_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:620
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s "C:\Windows\fonts\mtbbpxpf.dll"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4724
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\04CD64~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:528

Network

DNS

13.86.106.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.86.106.20.in-addr.arpa

IN PTR

Response
DNS

88.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

88.210.23.2.in-addr.arpa

IN PTR

Response

88.210.23.2.in-addr.arpa

IN PTR

a2-23-210-88deploystaticakamaitechnologiescom
DNS

69.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

69.31.126.40.in-addr.arpa

IN PTR

Response
DNS

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
DNS

133.211.185.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

133.211.185.52.in-addr.arpa

IN PTR

Response
DNS

183.59.114.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

183.59.114.20.in-addr.arpa

IN PTR

Response
DNS

18.31.95.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

18.31.95.13.in-addr.arpa

IN PTR

Response
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

83.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

83.210.23.2.in-addr.arpa

IN PTR

Response

83.210.23.2.in-addr.arpa

IN PTR

a2-23-210-83deploystaticakamaitechnologiescom
DNS

11.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

11.227.111.52.in-addr.arpa

IN PTR

Response

52.111.229.43:443

322 B
7

8.8.8.8:53

13.86.106.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

13.86.106.20.in-addr.arpa
8.8.8.8:53

88.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

88.210.23.2.in-addr.arpa
8.8.8.8:53

69.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

69.31.126.40.in-addr.arpa
8.8.8.8:53

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
8.8.8.8:53

133.211.185.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

133.211.185.52.in-addr.arpa
8.8.8.8:53

183.59.114.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

183.59.114.20.in-addr.arpa
8.8.8.8:53

18.31.95.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

18.31.95.13.in-addr.arpa
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

83.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

83.210.23.2.in-addr.arpa
8.8.8.8:53

11.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

11.227.111.52.in-addr.arpa

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Fonts\mtbbpxpf.dll

Filesize
60KB

MD5
53adaec2b442ed8cda371fbca3af0502

SHA1
b7a4786eecb3c00200a481d526129caa8aca41d2

SHA256
05ff0b8ab0136670872c1a0325f5c25d0109147a60854fc54697dc6e25524ac1

SHA512
5482e293505584bbd01231cdde59443d19335fa1293c34f775e2f474afc308c09c8c602a184d6a0b8e2a480159746dccb52245678dba28e76aa01caced405dc4

Download Submit
memory/620-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/620-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/620-10-0x0000000010000000-0x00000000105D0000-memory.dmp

Filesize
5.8MB

Download
memory/620-17-0x0000000010000000-0x00000000105D0000-memory.dmp

Filesize
5.8MB

Download
memory/4724-8-0x0000000010000000-0x00000000105D0000-memory.dmp

Filesize
5.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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