Malware Analysis Report

2025-01-19 07:03

Sample ID 240625-wb8p5awgjj
Target 0efa1f54880186279aec26354f5fa8c6_JaffaCakes118
SHA256 d67baa7375b3f09ad5f1eaddbeb863b224c5d756a3f84aa3409de8636c2b981b
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

d67baa7375b3f09ad5f1eaddbeb863b224c5d756a3f84aa3409de8636c2b981b

Threat Level: Known bad

The file 0efa1f54880186279aec26354f5fa8c6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ramnit banker spyware stealer trojan upx worm

Ramnit

Executes dropped EXE

Loads dropped DLL

UPX packed file

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-25 17:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 17:45

Reported

2024-06-25 17:48

Platform

win7-20240611-en

Max time kernel

13s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe"

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2456 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe
PID 2456 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe
PID 2456 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe
PID 2456 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe
PID 2456 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe
PID 2456 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe
PID 2456 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe

C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe

Network

N/A

Files

memory/2456-0-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2456-1-0x00000000002E0000-0x0000000000317000-memory.dmp

\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe

MD5 32e2446e5ea8b44ee87ed1dec23ea040
SHA1 1341be8ec8be902630fc92657b10016c5d83c14b
SHA256 1f261c1a1c5e7c051cbc0332db237c8e7335661251af2d950b05edd6d515f170
SHA512 95b36862faec87482a2dd6aa16a2bbcfe73dcd30796d4d98db7ae6b46ec73c4f6de9880c7e8042697ffc5fddb296bd4610e69b0fb8275566c5cd3e85d9e693f6

memory/2456-6-0x00000000002E0000-0x0000000000317000-memory.dmp

memory/2456-11-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2056-16-0x0000000000240000-0x00000000002A8000-memory.dmp

memory/2056-18-0x0000000000400000-0x0000000000468000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM7031.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/2056-25-0x0000000000400000-0x0000000000468000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM710C.tmp

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

memory/2056-27-0x0000000000240000-0x00000000002A8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 17:45

Reported

2024-06-25 17:48

Platform

win10v2004-20240611-en

Max time kernel

140s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe

C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1860 -ip 1860

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 10176

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4224,i,2113996974559895641,18156918660790954073,262144 --variations-seed-version --mojo-platform-channel-handle=4028 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
BE 88.221.83.200:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 200.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\0efa1f54880186279aec26354f5fa8c6_JaffaCakes118mgr.exe

MD5 32e2446e5ea8b44ee87ed1dec23ea040
SHA1 1341be8ec8be902630fc92657b10016c5d83c14b
SHA256 1f261c1a1c5e7c051cbc0332db237c8e7335661251af2d950b05edd6d515f170
SHA512 95b36862faec87482a2dd6aa16a2bbcfe73dcd30796d4d98db7ae6b46ec73c4f6de9880c7e8042697ffc5fddb296bd4610e69b0fb8275566c5cd3e85d9e693f6

memory/3048-5-0x0000000000400000-0x0000000000437000-memory.dmp

memory/3048-1-0x0000000000400000-0x0000000000437000-memory.dmp

memory/1860-7-0x0000000000400000-0x0000000000468000-memory.dmp

memory/1860-6-0x0000000000700000-0x0000000000768000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\~TME03E.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219