da3255809759904c28e1e44698df0309f09b955ae4ed731bbd34b75e7b378726

General

Target

3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe
Size

39KB
MD5

3343619c3fd03e8915b61966ca3c5da5
SHA1

b02c243a4d4beb314996e658f608038d0bf7e1d6
SHA256

da3255809759904c28e1e44698df0309f09b955ae4ed731bbd34b75e7b378726
SHA512

6390a9c9139f691c726e866d7ae207367cdf4a489f859bc83cf6edf24d9e391b2bcc1ff8bd6fd7d69da52447aeb8d8cc5ec34242794f36e96435ef836a5cd0bd
SSDEEP

768:1TF1BWBOZFReEzwu5OX8lYv90hRCCJgimzSZTf6s64NM:1TFyBO7t68lk0+imW0d4

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2476-0-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/2476-57-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-53-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-50-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-47-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-44-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-41-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-38-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-35-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-32-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-29-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-23-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-20-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-17-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-14-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-11-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-8-0x0000000013150000-0x0000000013162000-memory.dmp	upx
behavioral1/memory/1252-5-0x0000000013150000-0x0000000013162000-memory.dmp	upx

Modifies WinLogon 2 TTPs 6 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\DLLName = "crypts.dll"	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Impersonate = "1"	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Asynchronous = "1"	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\StartShell = "Run"	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\crypts.dll	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20
PID 2476 wrote to memory of 1252	2476	3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3343619c3fd03e8915b61966ca3c5da5_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2476

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1252-35-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-2-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-32-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-50-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-47-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-44-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-41-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-38-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-53-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-5-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-23-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-29-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-20-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-17-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-14-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-11-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/1252-8-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/2476-57-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download
memory/2476-0-0x0000000013150000-0x0000000013162000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads