22e00c5423743baa6a1d4418edc3e14be551e74ea287b402712ab784eea66ed8

General

Target

dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe
Size

31KB
MD5

dbbf7561690e8e7d4a9c72475db23aea
SHA1

ad143e0a87d21930783d3dd1d5f9f6c1a538416f
SHA256

22e00c5423743baa6a1d4418edc3e14be551e74ea287b402712ab784eea66ed8
SHA512

d1d982abdd8a34b2bc1c1233e24a931e7468c96d46387b28c74c326574d834c076c45bb94ace8a16d35b33baf2d7ef45754755d243d1e5399de9b961fbed1f39
SSDEEP

768:h90bulcH3cr0dQPIlESH0mBU1nbcuyD7Uxet:UbulruQwH0mBU1nouy8xet

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2812	regsvr32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2232-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx
behavioral1/memory/2232-6-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O885142.dll	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O885142.dll	regsvr32.exe

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	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{30C3B080-30FB-11D0-B724-00AA006C1A01}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{30C3B080-30FB-11D0-B724-00AA006C1A01}\InProcServer32\Original = "C:\\Windows\\SysWOW64\\imgutil.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{30C3B080-30FB-11D0-B724-00AA006C1A01}\InProcServer32\ = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\DA0O885142.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B8A2D95-0AC9-11D1-896C-00C04FB6BFC4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B8A2D95-0AC9-11D1-896C-00C04FB6BFC4}\InprocServer32\Original = "C:\\Windows\\SysWOW64\\urlmon.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B8A2D95-0AC9-11D1-896C-00C04FB6BFC4}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\DA0O885142.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EEFFD4A5-FC5D-4427-920D-E4917AAD09EE}	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	2812	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2812	2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dbbf7561690e8e7d4a9c72475db23aea_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /n /s /i:"-f 30C3B080-30FB-11d0-B724-00AA006C1A01 -f 7b8a2d95-0ac9-11d1-896c-00c04Fb6bfc4" "C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O885142.dll"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O885142.dll

Filesize
31KB

MD5
d69b8bfe516d159823823dfecacdbefb

SHA1
f92c9300c4d3bedcc968c0006bda809c881550ca

SHA256
3a391d864979152b1907a7c80d21c53c6515d0405430655bdfec923de0b4bde7

SHA512
9ced1bfa160c181a8adc08d78b35a9a55aac7f582b50907b477e2e83a0dd6e6c065527d6ba234e77025d4defa944a86b5c32cb5c094fe8e549cfed6ee4deeda4

Download Submit
memory/2232-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2232-6-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download

Analysis

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