Malware Analysis Report

2025-08-06 01:41

Sample ID 241005-a2pjaavgnj
Target 15818bf684d9e41ab5196eaef7506941_JaffaCakes118
SHA256 c4253d2e170ecef47c95a381663993e579e333d7cff160efbb0b28d21472113c
Tags
ramnit banker discovery spyware stealer trojan upx worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c4253d2e170ecef47c95a381663993e579e333d7cff160efbb0b28d21472113c

Threat Level: Known bad

The file 15818bf684d9e41ab5196eaef7506941_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ramnit banker discovery spyware stealer trojan upx worm

Ramnit

Loads dropped DLL

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-05 00:42

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-05 00:42

Reported

2024-10-05 00:45

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe"

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 68

Network

N/A

Files

memory/2168-0-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2168-1-0x00000000000D0000-0x00000000000D1000-memory.dmp

memory/2168-3-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2168-2-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2168-7-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2168-9-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2168-6-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2168-4-0x0000000000400000-0x000000000042A000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM7F1F.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/2168-16-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2168-15-0x00000000776C0000-0x00000000776C2000-memory.dmp

memory/2168-14-0x00000000776C0000-0x00000000776C1000-memory.dmp

memory/2168-13-0x00000000776BF000-0x00000000776C1000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM7F4E.tmp

MD5 9b98d47916ead4f69ef51b56b0c2323c
SHA1 290a80b4ded0efc0fd00816f373fcea81a521330
SHA256 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA512 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

memory/2168-20-0x0000000077024000-0x0000000077025000-memory.dmp

memory/2168-21-0x0000000076F90000-0x00000000770A0000-memory.dmp

memory/2168-24-0x0000000076F90000-0x00000000770A0000-memory.dmp

memory/2168-23-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-05 00:42

Reported

2024-10-05 00:45

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe"

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\15818bf684d9e41ab5196eaef7506941_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2232 -ip 2232

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 392

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2232-0-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2232-1-0x0000000000401000-0x0000000000402000-memory.dmp

memory/2232-8-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-6-0x00000000008F0000-0x00000000008F1000-memory.dmp

memory/2232-9-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-4-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-3-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-5-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2232-2-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-10-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-11-0x0000000000400000-0x000000000042A000-memory.dmp

memory/2232-13-0x0000000000400000-0x000000000042A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\~TMC757.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/2232-18-0x0000000077602000-0x0000000077603000-memory.dmp

memory/2232-17-0x0000000077602000-0x0000000077604000-memory.dmp