c1bcfd4ab16809241ea602e18ec2405738ab56f54718a24367d2e01fff52a103

General

Target

f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe
Size

1.1MB
MD5

f5501c4c5c8c992377780a9ff8c2d62f
SHA1

dc58697bb7c96951d6969927d25a8332aab712f3
SHA256

c1bcfd4ab16809241ea602e18ec2405738ab56f54718a24367d2e01fff52a103
SHA512

28d8659f46c107dae5d26101f42c98201d5608c9d5bc57f0f22319ff14ced407614821602ae036bbbaf8bdfc2bdbb499a057cc141d3376c437d0f9baa2c7f85e
SSDEEP

24576:kUJa8KHWN7lQnMzhDncVo68OzXJHEYWBkGfDbJ06FYMFp:JlWWZQ0GrZHEFrLbJ0WH

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe"	f5501c4c5c8c992377780a9ff8c2d62f_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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3036-19-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-21-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-18-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-22-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-23-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-24-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-25-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-26-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral1/memory/3036-29-0x0000000000400000-0x0000000000645000-memory.dmp	upx

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	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe
1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1804	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	31
PID 1988 wrote to memory of 1804	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	31
PID 1988 wrote to memory of 1804	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	31
PID 1988 wrote to memory of 1804	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	31
PID 1988 wrote to memory of 1440	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	32
PID 1988 wrote to memory of 1440	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	32
PID 1988 wrote to memory of 1440	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	32
PID 1988 wrote to memory of 1440	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	32
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33
PID 1988 wrote to memory of 3036	1988	f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe"
  2⤵
  PID:1804
- C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe"
  2⤵
  PID:1440
- C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f5501c4c5c8c992377780a9ff8c2d62f_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:3036

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1988-0-0x0000000000CD0000-0x0000000000CD4000-memory.dmp

Filesize
16KB

Download
memory/3036-1-0x00000000001B0000-0x00000000002AA000-memory.dmp

Filesize
1000KB

Download
memory/3036-15-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-13-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-9-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-7-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-5-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-3-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-16-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-17-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-19-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-21-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-18-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-22-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-23-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-24-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-25-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-26-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/3036-29-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads