blustealer | 14efe8b8b81235d085f30946d19abd59bf194bf59b1a8e19afc959a2a7f8d560

General

Target

a673b0550ad375402e1090c9b69a11f7.exe
Size

1.3MB
MD5

a673b0550ad375402e1090c9b69a11f7
SHA1

96dd27b97b704edde0a8fa5b62233aa38a9268d7
SHA256

14efe8b8b81235d085f30946d19abd59bf194bf59b1a8e19afc959a2a7f8d560
SHA512

a275f407740dfe1df98eb95a7e590701f3bf33a24d172932bc5f16f4d3073014e311c201b8ce023611f62af7b9822036d38bd159f91093e4dcf89bcae04e0f38
SSDEEP

12288:0S8aR9O0t5oMg5PaptYdNBIWDwMUxAd9PBxLhBfTIVq8sLFFtH503zktIxr8b:0JaR9k1PxdEWDrzvvUtsLFTq3zktlb

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
restd.club
Port:
587
Username:
[email protected]
Password:
@433u7a~IdTF

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3056	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	a673b0550ad375402e1090c9b69a11f7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2252	a673b0550ad375402e1090c9b69a11f7.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 3056	2840	a673b0550ad375402e1090c9b69a11f7.exe	30
PID 2840 wrote to memory of 3056	2840	a673b0550ad375402e1090c9b69a11f7.exe	30
PID 2840 wrote to memory of 3056	2840	a673b0550ad375402e1090c9b69a11f7.exe	30
PID 2840 wrote to memory of 3056	2840	a673b0550ad375402e1090c9b69a11f7.exe	30
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32
PID 2840 wrote to memory of 2252	2840	a673b0550ad375402e1090c9b69a11f7.exe	32

C:\Users\Admin\AppData\Local\Temp\a673b0550ad375402e1090c9b69a11f7.exe
"C:\Users\Admin\AppData\Local\Temp\a673b0550ad375402e1090c9b69a11f7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gIdlGalIWxj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BDA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3056
- C:\Users\Admin\AppData\Local\Temp\a673b0550ad375402e1090c9b69a11f7.exe
  "C:\Users\Admin\AppData\Local\Temp\a673b0550ad375402e1090c9b69a11f7.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1BDA.tmp

Filesize
1KB

MD5
242484fa4711afe0124fdbb787a2f0c5

SHA1
0b09e25ab1fd3e5fb5b1ca11d5698d0689ab449b

SHA256
528a3115748dae8f199303f0a05658ae73ad783f57e0b368f25c3f8956dd0a15

SHA512
5ce8748fb674f10714d46fc48539d87c3e1f683276f5aa8984c61dcafd649fe4b37390250a3e9bc84a2f36f267950920701c5afe56f6795f14cc0ce2ac04fce3

Download Submit
memory/2252-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-15-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2252-25-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2252-21-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2252-13-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2252-19-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2252-14-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2840-7-0x00000000051F0000-0x000000000526C000-memory.dmp

Filesize
496KB

Download
memory/2840-5-0x0000000004DC0000-0x0000000004E00000-memory.dmp

Filesize
256KB

Download
memory/2840-2-0x0000000004DC0000-0x0000000004E00000-memory.dmp

Filesize
256KB

Download
memory/2840-1-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-0-0x0000000000E20000-0x0000000000F74000-memory.dmp

Filesize
1.3MB

Download
memory/2840-6-0x0000000005A00000-0x0000000005AE6000-memory.dmp

Filesize
920KB

Download
memory/2840-22-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-4-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2840-3-0x0000000000470000-0x000000000048E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads