6856f73cf4da248af188a08f275d3829d4cf31c83ce5da8b94cb30a1834ffbef

General

Target

2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe
Size

127KB
MD5

2995c500fad1d1cf8b5be0380f6ea6bd
SHA1

fb6fe606662973380b9a580a990f0fe194edba80
SHA256

6856f73cf4da248af188a08f275d3829d4cf31c83ce5da8b94cb30a1834ffbef
SHA512

e22c412dcf0e2edadb2d4d1de3cdd7b91f0530f96179119d83843a128afd33f4a178f7dfcbe30accb31d829bcebe759c0e4aa3bae567a9e1cb6fbe369612725f
SSDEEP

3072:Pgj+t/SA5EZv+Py9IPEvMnMpDBPRBovupuMmg6oS:PgjG1W1GPbMp1pBcdr

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\	coolserver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\coolserver = "C:\\Windows\\coolserver.exe"	coolserver.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	coolserver.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/836-0-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/836-5-0x0000000001E40000-0x0000000001E95000-memory.dmp	upx
behavioral1/files/0x000a000000012280-7.dat	upx
behavioral1/memory/3060-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/836-9-0x0000000001E40000-0x0000000001E95000-memory.dmp	upx
behavioral1/memory/836-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-18-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-19-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-20-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-21-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-22-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-23-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-24-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-25-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-26-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-27-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-28-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3060-29-0x0000000000400000-0x0000000000455000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\coolserver.exe	2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe
File opened for modification	C:\Windows\coolserver.exe	2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 3060	836	2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe	28
PID 836 wrote to memory of 3060	836	2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe	28
PID 836 wrote to memory of 3060	836	2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe	28
PID 836 wrote to memory of 3060	836	2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2995c500fad1d1cf8b5be0380f6ea6bd_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\coolserver.exe
  "C:\Windows\coolserver.exe"
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\coolserver.exe

Filesize
127KB

MD5
2995c500fad1d1cf8b5be0380f6ea6bd

SHA1
fb6fe606662973380b9a580a990f0fe194edba80

SHA256
6856f73cf4da248af188a08f275d3829d4cf31c83ce5da8b94cb30a1834ffbef

SHA512
e22c412dcf0e2edadb2d4d1de3cdd7b91f0530f96179119d83843a128afd33f4a178f7dfcbe30accb31d829bcebe759c0e4aa3bae567a9e1cb6fbe369612725f

Download Submit
memory/836-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/836-5-0x0000000001E40000-0x0000000001E95000-memory.dmp

Filesize
340KB

Download
memory/836-4-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/836-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/836-9-0x0000000001E40000-0x0000000001E95000-memory.dmp

Filesize
340KB

Download
memory/3060-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-22-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3060-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-18-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-19-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-20-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-21-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-23-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-24-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-25-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-26-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-27-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-28-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3060-29-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads