e1562eb3537e28e60e400bb11ab1ce4fa948e8dbb7841775c6b876658ba05093

General

Target

f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe
Size

280KB
MD5

f7f2b489d60ab8dfaf61694e48a700d0
SHA1

186b4b9248610c4cd32e8ec1fe2b2649e2c00145
SHA256

e1562eb3537e28e60e400bb11ab1ce4fa948e8dbb7841775c6b876658ba05093
SHA512

11e52427e9bd440f51ab987e51133115316e2d1bcbf17120b16061c897442c1e628c009e653d229078b84e77cc9dd770d2e28b1c2313cef50d7da03220a99880
SSDEEP

3072:+/yZZ+02pmNkz79REVwhcFafcqlh0W9xIeJPkG4vL8yEK0jcDvv4Ify3fvsPICt:T+0nWDMxFNuh0wxI2PQEK7DvvLf5

Score

10^/10

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe,C:\\Arquivos de programas\\KBRUpsa6.exe"	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1736-0-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-33-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-34-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-35-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-37-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-38-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-39-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-40-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-41-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-42-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-43-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-44-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-45-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-46-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-47-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1736-48-0x0000000000400000-0x00000000004B2000-memory.dmp	upx

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\OptionalComponents\MSFS	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\OptionalComponents\MAPI	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\OptionalComponents\IMAIL	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\OptionalComponents	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
6	sites.google.com
8	sites.google.com

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\winlogn.ini	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe
File created	C:\WINDOWS\system\winlog.ini	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1736	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
PID:1736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Windows\system\winlog.ini

Filesize
178KB

MD5
2b4a6dedf21ec251fe7a655f00e4249e

SHA1
403b94d3553bb8d9aa1fa5d4d8d953175197894c

SHA256
76d02bffa9e40e8db067deba9e038345d7799aee2363bb697bc4ebe27191aeee

SHA512
cbcbe146d3837c3923c7ccd8b07624679699ccd9bd9e8aa8bdbb39265f8ecc8f16df091634e91879c112e88b5db0d352ab93ed6642dbbf260f8c2c48eaec5837

Download Submit
memory/1736-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-36-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1736-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1736-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1736-48-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads