Malware Analysis Report

2025-01-19 07:05

Sample ID 240625-yblayaydla
Target 0f45d86665e64507a57b58159a35d0d7_JaffaCakes118
SHA256 1a5bf8bbc5803f3dcf21d6428030a6d5e05c0dfb9dd27a812726883a94a107a3
Tags
ramnit banker spyware stealer trojan upx worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

1a5bf8bbc5803f3dcf21d6428030a6d5e05c0dfb9dd27a812726883a94a107a3

Threat Level: Known bad

The file 0f45d86665e64507a57b58159a35d0d7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ramnit banker spyware stealer trojan upx worm

Ramnit

Loads dropped DLL

UPX packed file

Program crash

Unsigned PE

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-25 19:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 19:36

Reported

2024-06-25 19:39

Platform

win7-20240220-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_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
N/A N/A N/A N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 172

Network

N/A

Files

memory/2836-3-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-1-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-0-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-2-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-10-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-9-0x0000000000340000-0x0000000000341000-memory.dmp

memory/2836-8-0x0000000000400000-0x0000000000439000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM280A.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/2836-15-0x0000000077900000-0x0000000077902000-memory.dmp

memory/2836-14-0x0000000077900000-0x0000000077901000-memory.dmp

memory/2836-13-0x00000000778FF000-0x0000000077901000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM2859.tmp

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

memory/2836-19-0x0000000075E34000-0x0000000075E35000-memory.dmp

memory/2836-20-0x0000000075DA0000-0x0000000075EB0000-memory.dmp

memory/2836-21-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2836-22-0x0000000075DA0000-0x0000000075EB0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 19:36

Reported

2024-06-25 19:39

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_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\0f45d86665e64507a57b58159a35d0d7_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

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0f45d86665e64507a57b58159a35d0d7_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1360 -ip 1360

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 508

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1360-0-0x0000000000400000-0x0000000000439000-memory.dmp

memory/1360-6-0x00000000006B0000-0x00000000006B1000-memory.dmp

memory/1360-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1360-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1360-3-0x0000000000400000-0x0000000000425000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\~TM3F99.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/1360-15-0x0000000077D52000-0x0000000077D53000-memory.dmp

memory/1360-14-0x0000000077D52000-0x0000000077D54000-memory.dmp

memory/1360-13-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1360-2-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1360-1-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1360-5-0x0000000000400000-0x0000000000425000-memory.dmp