f0d3155732d3e0b366086cd2741ad160c47b7076f40668cd44160308cd3b8954

General

Target

c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe
Size

35KB
MD5

c8b31591ccff657ffe923b007b63c8fc
SHA1

4763860986dbdfa3d0c46311438afaaffea5899e
SHA256

f0d3155732d3e0b366086cd2741ad160c47b7076f40668cd44160308cd3b8954
SHA512

3a37bbc4f0ec043b3e06db68066ba79f5f1ff6497d55025403a3baaff2768a3e0ab321e44b9b0aa3534c696cd6990ba1d907af0dbd92c552e0be4414a144f877
SSDEEP

768:lmef2VBnD2n279xDJuM5CWKOfv8LH4Aiop8MvDLhm:lvfWqn2XJdlhvKSMvDFm

Score

7^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2296-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\aaaaaaaa« = "C:\\Windows\\System32\\aaaaaaaa«.exe"	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\aaaaaaaa« = "C:\\Users\\Admin\\aaaaaaaa«.exe"	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aaaaaaaa«.exe	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2216	604	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	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 2296 wrote to memory of 604	2296	c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe	29
PID 604 wrote to memory of 2216	604	svchost.exe	30
PID 604 wrote to memory of 2216	604	svchost.exe	30
PID 604 wrote to memory of 2216	604	svchost.exe	30
PID 604 wrote to memory of 2216	604	svchost.exe	30

C:\Users\Admin\AppData\Local\Temp\c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8b31591ccff657ffe923b007b63c8fc_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\System32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 604 -s 64
    3⤵
    - Program crash
    PID:2216

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/604-5-0x0000000009500000-0x0000000009507000-memory.dmp

Filesize
28KB

Download
memory/604-15-0x0000000009500000-0x0000000009507000-memory.dmp

Filesize
28KB

Download
memory/604-11-0x0000000009500000-0x0000000009507000-memory.dmp

Filesize
28KB

Download
memory/604-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/604-6-0x0000000009500000-0x0000000009507000-memory.dmp

Filesize
28KB

Download
memory/604-8-0x0000000009500000-0x0000000009507000-memory.dmp

Filesize
28KB

Download
memory/604-7-0x0000000009500000-0x0000000009507000-memory.dmp

Filesize
28KB

Download
memory/2296-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2296-1-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/2296-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2296-13-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads