93a075f9cd2cc2890efa4420284684126835f05505603b49dfe6da6e5aaf211d

General

Target

0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Size

756KB
MD5

0539d92ff983f7a9be44328d062291e0
SHA1

74c98044dcf8e15d4200bcdcc83aef1dfa398713
SHA256

93a075f9cd2cc2890efa4420284684126835f05505603b49dfe6da6e5aaf211d
SHA512

cce28e6746047a639d90bea301b12907ee3913f5d795b980f4048d1fb75b72578bd38217f307d2260869e10d2ad1e8a4c699e8fb53e14a6a6c52ea29ac6a381b
SSDEEP

12288:ceFzFoToSCIwFzK0xtOPap/iNNtcRJqRl7k86fpgBDDJrS7LE9HTFIUYVRSs5K:cOMwFzKCtZuj4JS7kF6lDJqLGT4RSsk

Score

7^/10

upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1724-0-0x0000000000400000-0x0000000000520000-memory.dmp	upx
behavioral2/memory/1724-8-0x0000000000400000-0x0000000000520000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1380	1724	WerFault.exe	81

Modifies registry class 19 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\ = "Microsoft Excel 95 Worksheet"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\AuxUserType	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\AuxUserType\2	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\PersistentHandler	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\ProgID\ = "Excel.Sheet.5"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\TreatAs\ = "{00020820-0000-0000-C000-000000000046}"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\AutoConvertTo\ = "{00020820-0000-0000-C000-000000000046}"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\AuxUserType\2\ = "Worksheet"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\NotInsertable	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\AuxUserType\3	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\DefaultIcon	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\NotInsertable\	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\PersistentHandler\ = "{98de59a0-d175-11cd-a7bd-00006b827d94}"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\AutoConvertTo	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\AuxUserType\3\ = "Microsoft Excel"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\DefaultIcon\ = "C:\\Program Files\\Microsoft Office\\Root\\Office16\\EXCEL.EXE,1"	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\ProgID	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94BDE7FC-257F-E5A4-D872-45A0081B85D5}\TreatAs	0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0539d92ff983f7a9be44328d062291e0_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Modifies registry class
PID:1724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 1136
  2⤵
  - Program crash
  PID:1380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1724 -ip 1724
1⤵
PID:1928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1724-0-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/1724-3-0x00000000042D0000-0x0000000004365000-memory.dmp

Filesize
596KB

Download
memory/1724-7-0x00000000042D0000-0x0000000004365000-memory.dmp

Filesize
596KB

Download
memory/1724-8-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/1724-9-0x00000000042D0000-0x0000000004365000-memory.dmp

Filesize
596KB

Download

Analysis

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