eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc

General

Target

eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe
Size

79KB
MD5

02ed5b34d27c5738f15f182e640a9c45
SHA1

1e02d94bde700f6d1fdafc01e85761558425c2e9
SHA256

eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc
SHA512

fb9a9f74810cd158f6e5ef2eeb9929c41a750b4110f867b09730e924bb9966cc7651b6de9a859c4a7d14cfeaef1712ef54aec3d9f5df9d987f0a6a797c59abac
SSDEEP

1536:cul2Hb2ZRYj+FRNZyiGpP3ngsDegiv174Q6UL89VzLFWtg20:Jl6bqK+fCnVivR4Qo1LUA

Score

7^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Bwuse.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\TFM0N = "c:\\3qqd34vqpp22l4et\\Bwuse.exe"	Bwuse.exe

Enumerates connected drives 3 TTPs 2 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

Processes:

Bwuse.exe

description ioc process

File opened (read-only) \??\a: Bwuse.exe
File opened (read-only) \??\b: Bwuse.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
T1067

Processes:

Bwuse.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 Bwuse.exe

description	ioc	process
File opened (read-only)	\??\a:	Bwuse.exe
File opened (read-only)	\??\b:	Bwuse.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	Bwuse.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Bwuse.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Bwuse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Bwuse.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Bwuse.exe

pid process

680 Bwuse.exe
680 Bwuse.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe

pid process

1260 eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exeBwuse.exe

pid process

1260 eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe
680 Bwuse.exe

pid	process
680	Bwuse.exe
680	Bwuse.exe

pid	process
1260	eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe

pid	process
1260	eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe
680	Bwuse.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe

description	pid	process	target process
PID 1260 wrote to memory of 680	1260	eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe	Bwuse.exe
PID 1260 wrote to memory of 680	1260	eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe	Bwuse.exe
PID 1260 wrote to memory of 680	1260	eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe	Bwuse.exe
PID 1260 wrote to memory of 680	1260	eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe	Bwuse.exe

C:\Users\Admin\AppData\Local\Temp\eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe
"C:\Users\Admin\AppData\Local\Temp\eb2df12a6da04bc839cbca70a865bb2e0d18ec8e673485b531effa9df2a9a7fc.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260

\??\c:\3qqd34vqpp22l4et\Bwuse.exe
c:\3qqd34vqpp22l4et\Bwuse.exe
2⤵
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/680-62-0x0000000000000000-mapping.dmp

Download
memory/680-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/680-64-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/680-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1260-54-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1260-55-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/1260-60-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1260-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads