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\\DYmF4nVW.exe"	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3916-0-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-25-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-26-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-27-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-29-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-30-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-31-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-32-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-33-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-34-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-35-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-36-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-37-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-38-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-39-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral2/memory/3916-40-0x0000000000400000-0x00000000004B2000-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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	f7f2b489d60ab8dfaf61694e48a700d0_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
15	sites.google.com
12	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
3916	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:3916

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

Replay Monitor

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Downloads

C:\Windows\System\winlog.ini

Filesize
178KB

MD5
063812614634077c47609b1e0a3e1e7d

SHA1
4ec0d12c648ca473fbcd00f14d6f79f6c7ceebcc

SHA256
959ec08525d81ebff234df8f5aa8dea595c4f11ff693d1f893cd3046c9b63472

SHA512
f236c09f27b22b36c271048093f10656cc5e21595cae7e692b646eb85886fca246e4dc09ea739485fda737ebb8f0a14e0a5be19913291d752973b28e2cd9af4a

Download Submit
memory/3916-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-28-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/3916-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-1-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/3916-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3916-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads