blustealer | 81cdbea7a809be0f353a0d72397fb91821650770e736f9bd68f4501be64572d3

Analysis

max time kernel
109s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2022, 07:48

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General

Target

Doc0627.exe
Size

866KB
MD5

1db4863326d564281893628c4ecbe87b
SHA1

55dae7e5b29e7e8c8aaeeb748807408d7f8bc3f4
SHA256

81cdbea7a809be0f353a0d72397fb91821650770e736f9bd68f4501be64572d3
SHA512

9c4c82e67dcedd4d27c7bd1230700c310eb111cf4a73a19e0de301f82f779851a3be991a9b90c96128c764c84595a1f4d049b4c99b0ba326737ff7e44ddd0feb

Score

10^/10

blustealer stealer

Malware Config

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5028 set thread context of 388	5028	Doc0627.exe	84

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5028	Doc0627.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84
PID 5028 wrote to memory of 388	5028	Doc0627.exe	84

C:\Users\Admin\AppData\Local\Temp\Doc0627.exe
"C:\Users\Admin\AppData\Local\Temp\Doc0627.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/388-133-0x0000000000710000-0x00000000007AE000-memory.dmp

Filesize
632KB

Download
memory/5028-130-0x0000000000190000-0x000000000026E000-memory.dmp

Filesize
888KB

Download