Malware Analysis Report

2025-01-19 07:06

Sample ID 240626-dmzmgs1emf
Target 7zFM.exe
SHA256 a0b92392ade4ad7218239ac6a3e96ec6a626b71c187960cd077c92dc34d2330d
Tags
ramnit banker spyware stealer trojan 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

a0b92392ade4ad7218239ac6a3e96ec6a626b71c187960cd077c92dc34d2330d

Threat Level: Known bad

The file 7zFM.exe was found to be: Known bad.

Malicious Activity Summary

ramnit banker spyware stealer trojan worm

Ramnit

Loads dropped DLL

Executes dropped EXE

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-26 03:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 03:08

Reported

2024-06-26 03:11

Platform

win7-20240611-en

Max time kernel

121s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7zFM.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\7zFMmgr.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7zFM.exe

"C:\Users\Admin\AppData\Local\Temp\7zFM.exe"

C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 96

Network

N/A

Files

memory/2536-0-0x0000000000400000-0x0000000000491000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

MD5 303f491b9fc879064b210cb0b865d178
SHA1 5cbdc35fb45bd3fb5ac62950ec22443a4179203c
SHA256 15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86
SHA512 96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24

\Users\Admin\AppData\Local\Temp\~TM8095.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/3004-9-0x0000000077CEF000-0x0000000077CF1000-memory.dmp

memory/3004-10-0x0000000077CF0000-0x0000000077CF1000-memory.dmp

memory/3004-11-0x0000000077CF0000-0x0000000077CF2000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM8151.tmp

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

memory/3004-15-0x00000000777F4000-0x00000000777F5000-memory.dmp

memory/3004-16-0x0000000077760000-0x0000000077870000-memory.dmp

memory/3004-17-0x0000000077760000-0x0000000077870000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 03:08

Reported

2024-06-26 03:10

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7zFM.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\7zFMmgr.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7zFM.exe

"C:\Users\Admin\AppData\Local\Temp\7zFM.exe"

C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3596 -ip 3596

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 324

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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 52.111.243.30:443 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3660-1-0x0000000000400000-0x0000000000491000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\7zFMmgr.exe

MD5 303f491b9fc879064b210cb0b865d178
SHA1 5cbdc35fb45bd3fb5ac62950ec22443a4179203c
SHA256 15f7fb2edc9b34e0da2fc658df38d8aea52664f6be1510dba4636dc13f466f86
SHA512 96c076c5027998281c408c1314e67f14c0150ec01173a400bf42e482866744d7e6f58cc7bf9748124c3a652753020f4606b170b61f1e722f8d4f74bff65fee24

C:\Users\Admin\AppData\Local\Temp\~TM46FC.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/3596-8-0x00000000774E2000-0x00000000774E4000-memory.dmp

memory/3596-9-0x00000000774E2000-0x00000000774E3000-memory.dmp