83e6e59866a2cee9468f82b39f352c3fe4f437704f769e3e8a7d6525ca3fccfd

General

Target

21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Size

65KB
MD5

21c77009a1fdbcf1f7ad302b6e086abf
SHA1

86c969c15e10337aa8068ca19d6a120b956d0581
SHA256

83e6e59866a2cee9468f82b39f352c3fe4f437704f769e3e8a7d6525ca3fccfd
SHA512

8f6433868bb78d691edd82448a4c0789346fc9b52c2ab68bc5b071be911eaed7b1e8fac560489aaff64b22f32134b14c4908a06fbbd814069c5d626c697181a1
SSDEEP

1536:KydmkrC+gACNJs1xr5vIvIm19xjEFDsJAa24K2WWWd7JBnQ4/QCMTP6cYC:prxyKLdQAm195pOjHdNBnJC6cYC

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3996-1-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3996-5-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3996-4-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3996-3-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3996-8-0x0000000000400000-0x0000000000424000-memory.dmp	upx

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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lsass Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\lsass.exe"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1180 set thread context of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4992	3996	WerFault.exe	80

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\LCMPD = "net"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Inst = "no"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Inst = "yes"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Cmc = "yes"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\F0x = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\UID = "f3688b13"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Ver = "14"	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3996	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
3996	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80
PID 1180 wrote to memory of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80
PID 1180 wrote to memory of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80
PID 1180 wrote to memory of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80
PID 1180 wrote to memory of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80
PID 1180 wrote to memory of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80
PID 1180 wrote to memory of 3996	1180	21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe	80

C:\Users\Admin\AppData\Local\Temp\21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\21c77009a1fdbcf1f7ad302b6e086abf_JaffaCakes118.exe
  2⤵
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:3996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 516
    3⤵
    - Program crash
    PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 3996 -ip 3996
1⤵
PID:736

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

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3996-1-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3996-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3996-4-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3996-3-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3996-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads