a091b5a3a45f91cc7624ebc9910e9fb771cdbeae985ae5ffc448bdd6eb3bf8c6

General

Target

d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe
Size

383KB
MD5

d99643313b63f4d16b804df58c1cf0de
SHA1

a90b9c961c7a322b86511daa1a30829621cc77d8
SHA256

a091b5a3a45f91cc7624ebc9910e9fb771cdbeae985ae5ffc448bdd6eb3bf8c6
SHA512

11ccfa6cebe9a6973a591e624e3897d72ee3a79415fd1ddc0efca2bd72c1ad9d505643c1deb39dd001f3a03041fe42b288a821d5d1947d7ca6c59bb6750cf587
SSDEEP

6144:zt/w53vJ5ITqLjOafQgO0gDAPExZ8hFIALXcvy4YNxDna3MBVzcoE7qA/GzCRuaN:zEvJ5I2LjOmQgBg8PCuIa0YNZ5hDOklM

Score

7^/10

collection discovery persistence spyware stealer upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000015cb8-10.dat	acprotect

Loads dropped DLL 4 IoCs

pid	Process
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1560-0-0x0000000000400000-0x0000000000475000-memory.dmp	upx
behavioral1/files/0x0009000000015cb8-10.dat	upx
behavioral1/memory/536-12-0x0000000010000000-0x0000000010086000-memory.dmp	upx
behavioral1/memory/536-11-0x0000000010000000-0x0000000010086000-memory.dmp	upx
behavioral1/memory/1560-13-0x0000000000400000-0x0000000000475000-memory.dmp	upx
behavioral1/memory/536-16-0x0000000010000000-0x0000000010086000-memory.dmp	upx
behavioral1/memory/536-21-0x0000000010000000-0x0000000010086000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.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\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSIDLL = "C:\\Windows\\SysWOW64\\rundll32.exe msimjk32.dll,iGmkYRBjH"	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msimjk32.dll	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msimjk32.dll	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2296	1560	WerFault.exe	29

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	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe
1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe
1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe
1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 536	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	31
PID 1560 wrote to memory of 536	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	31
PID 1560 wrote to memory of 536	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	31
PID 1560 wrote to memory of 536	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	31
PID 1560 wrote to memory of 536	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	31
PID 1560 wrote to memory of 536	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	31
PID 1560 wrote to memory of 536	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	31
PID 1560 wrote to memory of 2296	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	32
PID 1560 wrote to memory of 2296	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	32
PID 1560 wrote to memory of 2296	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	32
PID 1560 wrote to memory of 2296	1560	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe	32

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d99643313b63f4d16b804df58c1cf0de_JaffaCakes118.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:1560
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\SysWOW64\rundll32.exe msimjk32.dll,iGmkYRBjH
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 340
  2⤵
  - Program crash
  PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\msimjk32.dll

Filesize
173KB

MD5
206f0639a111ae112d9b50f527ae809f

SHA1
1c1fb3832211d93533cb6d86d2bc8613ec0ea34e

SHA256
e74eb584bf3c45e5e2e2b99e2a26f092db946ce7f0ed351bd79fd15afff84634

SHA512
53e54bb7353120484f5bf0f46e81578952c033bdfec5cd3c361f14eb7e8fa9a388655fda34a81aba850caaa9dac20bc366f4c341413f9ad449e2a9cad4dd7f2d

Download Submit
memory/536-12-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download
memory/536-11-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download
memory/536-16-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download
memory/536-21-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download
memory/1560-0-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/1560-1-0x00000000002B0000-0x000000000030A000-memory.dmp

Filesize
360KB

Download
memory/1560-3-0x0000000002200000-0x0000000002286000-memory.dmp

Filesize
536KB

Download
memory/1560-2-0x0000000002200000-0x0000000002286000-memory.dmp

Filesize
536KB

Download
memory/1560-5-0x0000000002200000-0x0000000002286000-memory.dmp

Filesize
536KB

Download
memory/1560-13-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/1560-14-0x00000000002B0000-0x000000000030A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads