azov | ab7b185b86821c2c881998f9967e5ca4a8894db6312eafe2cb872335941826dc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-08-2024 07:37

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General

Target

2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
Size

1.4MB
MD5

9c37857ff85b3e358ba221c0ba1a6bec
SHA1

821504b4c92f6387a78f4a6125a8c5bc3e9ede4d
SHA256

ab7b185b86821c2c881998f9967e5ca4a8894db6312eafe2cb872335941826dc
SHA512

13c2cc058352a382704e5702764d24389cf3b1603ec002ab10d485440f6ad2e1bfbe651e5551d3ed726ca2073f79b395abfd93c843935832909149a70c07a430
SSDEEP

24576:83UfD2wPCKqqc4UhUEdcfGCNhKsKEfVeAgw5Z0UMYTbKv:kUfD23KqCUhU0eGCbKBEflgwf0UMSbKv

Score

10^/10

azov persistence ransomware wiper

Malware Config

Signatures

Azov
A wiper seeking only damage, first seen in 2022.
ransomware wiper azov

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe"	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\V:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\W:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\H:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\L:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\T:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\N:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\P:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\U:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\Y:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\Z:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\A:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\I:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\J:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\E:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\Q:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\R:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\M:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\O:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\S:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\X:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\B:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\G:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened (read-only)	\??\K:	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe

Drops file in Program Files directory 42 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fi.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File created	C:\Program Files\7-Zip\RESTORE_FILES.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\FlickLearningWizard.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\7zCon.sfx	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\an.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\en.ttt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ext.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\InputPersonalization.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\descript.ion	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File created	C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cy.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\de.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eo.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\co.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cs.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\InkWatson.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.chm	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\7z.sfx	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2004	2520	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe	30
PID 2520 wrote to memory of 2004	2520	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe	30
PID 2520 wrote to memory of 2004	2520	2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-12_9c37857ff85b3e358ba221c0ba1a6bec_ryuk.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2520 -s 168
  2⤵
  PID:2004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

F:\$RECYCLE.BIN\S-1-5-21-1506706701-1246725540-2219210854-1000\RESTORE_FILES.txt

Filesize
2KB

MD5
78ede93114e65f9160fd03d3357c56e6

SHA1
88d531b101e57655f1d0d26c6b3257aa2468d460

SHA256
c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5

SHA512
074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d

Download Submit
memory/2520-3-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download
memory/2520-0-0x0000000000200000-0x0000000000204000-memory.dmp

Filesize
16KB

Download
memory/2520-9-0x0000000000200000-0x0000000000204000-memory.dmp

Filesize
16KB

Download
memory/2520-14-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download
memory/2520-8-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download
memory/2520-7-0x00000000001D0000-0x00000000001D7000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads