f9446f9757992ba5048894cbf8acbcb5072deeb8faa9f16ed46858fc337844be

Reason

Machine shutdown

General

Target

bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe
Size

647KB
MD5

bec0267aafece7721970f7ce26b2d544
SHA1

a59c3e43b9f5e9e9efbf815c2062b5868dc45e02
SHA256

f9446f9757992ba5048894cbf8acbcb5072deeb8faa9f16ed46858fc337844be
SHA512

566ebd45b2fbca405f92c17d348183a52facfc4a3394bd806e137c928346458486abc6b337fd7df143a8806fab0f89158b526aea977fd0628abaaa54ff099948
SSDEEP

12288:otD4Z6/pVir4lL4NdRCCh6a4SRqNlhD/Pme9vJ3eVobej7dBXFw8qixBN:t6ur/NX/IatRKlhD/Pmo3eVCWnFws

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\gog.exe"	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2116-0-0x0000000000400000-0x0000000000583000-memory.dmp	upx
behavioral1/memory/2116-48-0x0000000000400000-0x0000000000583000-memory.dmp	upx
behavioral1/memory/2116-49-0x0000000000400000-0x0000000000583000-memory.dmp	upx
behavioral1/memory/2116-78-0x0000000000400000-0x0000000000583000-memory.dmp	upx
behavioral1/memory/2116-121-0x0000000000400000-0x0000000000583000-memory.dmp	upx
behavioral1/memory/2116-123-0x0000000000400000-0x0000000000583000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 5 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\SYSTEM\ControlSet001\services\Disk\Enum\	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe
	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2116	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2116	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2116	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2116	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe
2116	bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bec0267aafece7721970f7ce26b2d544_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2116

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1732

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\MYPNGI1.jpg

Filesize
515B

MD5
7f7112e9c3de0d48e8198b74207b5c03

SHA1
d8acfb4a14d3cb8279c39f9d18780aec261b627a

SHA256
d4d5fb19b9a21aa609c5f91c35d3d9dcd4c62071769b332406cc23215bb66ee7

SHA512
9bed65083205866140d3f70d217a19ba75a443a58554748eac5edebf62201b08edb70bef0a28997447878db151dad62d0849014515c2c4767654b625e03f0a7d

Download Submit
C:\Users\Admin\AppData\Roaming\MYPNGI16.jpg

Filesize
500B

MD5
212a6d2dbd5c89a3ffe47bcdd5b43504

SHA1
3cbc32e292fb3a29e7df59026839f435cfa0fda3

SHA256
197afe35f7607e225fd49d829e4c28608441c3fd8ce209daa171df675611bbb2

SHA512
b2ce9af36e1c07ebdeac12c20038b01a48eb728f8094ee25eafac6e8152049e02694f936783a2fe41d61312be74781b01b5f8553eb2f954becee428851189c3b

Download Submit
C:\Users\Admin\AppData\Roaming\MYPNGI20.jpg

Filesize
694B

MD5
175412ff945c4d15eb6cd3b393d130c2

SHA1
2c83768848611756b277579f55f7f3a40ebee103

SHA256
f9b7e03583ee87205d7c7e9e10dd9d2dfc94415e63c05203fda70431423a5f03

SHA512
5dab37093e665a9fab279a71f0057253ac6676d0796c9b8c6cb69b403e44a3fadf62c353bb96bbf494ad87115b8199b6ed18b522ecc3a075dbc62c9e73b830a6

Download Submit
C:\Users\Admin\AppData\Roaming\MYPNGI8.jpg

Filesize
12KB

MD5
1bd1cb93fac0acc948d65c51ab5489b4

SHA1
64ff1ef70e25554de420ef5da917e710937c03e9

SHA256
1183daa52f3ff1aab9aec0e23ec92d6185e601f77f6944501d6fe5b3598518a4

SHA512
45c7edb9f74d39c972226be0e7bf0213cc417ae2a8c0536a3761dddd02a8c3b4df8b2f316bf88e5979fc0d1e732e7e9f686245318a1cb3e48f901ee0e0ee77d5

Download Submit
memory/784-125-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

Filesize
4KB

Download
memory/1732-124-0x0000000002D90000-0x0000000002D91000-memory.dmp

Filesize
4KB

Download
memory/2116-49-0x0000000000400000-0x0000000000583000-memory.dmp

Filesize
1.5MB

Download
memory/2116-50-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2116-48-0x0000000000400000-0x0000000000583000-memory.dmp

Filesize
1.5MB

Download
memory/2116-78-0x0000000000400000-0x0000000000583000-memory.dmp

Filesize
1.5MB

Download
memory/2116-0-0x0000000000400000-0x0000000000583000-memory.dmp

Filesize
1.5MB

Download
memory/2116-121-0x0000000000400000-0x0000000000583000-memory.dmp

Filesize
1.5MB

Download
memory/2116-123-0x0000000000400000-0x0000000000583000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads