5c46aec4468bcd0f358054adcee783eab587ba5017b1edee8881b78904623e35

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 18:46

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General

Target

2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe
Size

18.5MB
MD5

06dc28c7414d3050464c253652e8cb7d
SHA1

072f770bebce12387eebf2e9096d186cfdb87cda
SHA256

5c46aec4468bcd0f358054adcee783eab587ba5017b1edee8881b78904623e35
SHA512

75018a2101fd20b8275d27884d1c34c8816415865cfdf81d635237b2a25b67409ed42857533d8a8dbc6fe3e7a5de30b62ea797e38454ba383a23d63db43b3878
SSDEEP

393216:H+Rf4UdVEy9qMBNLtl+H3orJHXSPyQeEeov42xZzKMsZWrEcbLXoE8yS2R5J:Uf4UdVEy9qMBNW4rJ3SPDV423kZfgP8A

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1312	2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe
1312	2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2300	1312	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 2300	1312	2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe	28
PID 1312 wrote to memory of 2300	1312	2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe	28
PID 1312 wrote to memory of 2300	1312	2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe	28
PID 1312 wrote to memory of 2300	1312	2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_06dc28c7414d3050464c253652e8cb7d_magniber_revil.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 824
  2⤵
  - Program crash
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\netul.dll

Filesize
1.9MB

MD5
991f7dfe5115467b72de04d4ddeb6bac

SHA1
f31d9541d896955e1bcf48e01b68fc3374501998

SHA256
210ab11ab262d146ba4a8b1621668c5508f2e97d31788a1ec6474e5947479354

SHA512
52bc896a261534bb47b7c1342b2809d86288dbf07b08d344646a3719ab25e3e37c34adb9c7b2139f6518d56b528b73a500451c5948307a58dcfecdc0d2b2b9a4

Download Submit
\Users\Admin\AppData\Local\Temp\{DB31F3B8-4C28-4801-B121-AD49419CF67C}.tmp\7z.dll

Filesize
1.1MB

MD5
ea58ab20340cd1a4beeb1fe85bc09c9a

SHA1
0783d18e3ccc9faad51269c132d8fb559a2f83d2

SHA256
cfdd08f5fc342b4e4aa3c515d318307351be752cc79a6818dbb986cddac47d6d

SHA512
6f83ba8db59d8228f961f86364f1d4658e2f4b3773d0a8094f1f95eb635b68e08487a7286497de644a0c3ee83908ccc00e21048483f620ca86b30cfeba41b553

Download Submit
memory/1312-17-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads