eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 19:37

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General

Target

eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe
Size

389KB
MD5

0e97571aad0c32f2c39324a7bddf859f
SHA1

aa17644bbc7dfd42dedbea14ca1c8968c63586e1
SHA256

eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd
SHA512

ace7be52937406b9ef52d0d79aea5982eee3c1f9ac15c84147ceb542531ab4f2992302a9c4a7c490aa2f546b82325bb3a092e5528a6f5362f5da88ae9e65b67c
SSDEEP

6144:Mu+QBMQNsPCy0TrYeqipD+MK5zySlX5o8ThQ00S9YwJKxqsWoi47XqfJH7OHuiL:Mu+QVPaeZCyK9RKBxXmHcrpc6

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1960-57-0x0000000000400000-0x000000000048F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\BMP = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe /cs:1 "	eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\BMP = "\"C:\\ProgramData\\525da9\\BM525_2115.exe\" /s"	eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\	eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
912	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	912	taskkill.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 912	1960	eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe	28
PID 1960 wrote to memory of 912	1960	eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe	28
PID 1960 wrote to memory of 912	1960	eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe	28
PID 1960 wrote to memory of 912	1960	eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe	28

C:\Users\Admin\AppData\Local\Temp\eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe
"C:\Users\Admin\AppData\Local\Temp\eb43487b7e241e88d099ac45b2967420fa97c0d1f7b7349f73a4b1affb08fdcd.exe"
1⤵
- Adds Run key to start application
- Checks for any installed AV software in registry
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\taskkill.exe
  taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Security Software Discovery

T1063

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-54-0x00000000751A1000-0x00000000751A3000-memory.dmp

Filesize
8KB

Download
memory/1960-56-0x0000000000130000-0x0000000000135000-memory.dmp

Filesize
20KB

Download
memory/1960-57-0x0000000000400000-0x000000000048F000-memory.dmp

Filesize
572KB

Download
memory/1960-58-0x0000000000130000-0x0000000000135000-memory.dmp

Filesize
20KB

Download