blustealer | d7a1984f2d549e8481d9430ec4012adae6c769c8672387b705b4a30795d2c512

General

Target

d72a055eebd32d10fe70ad01824d2c94.exe
Size

1.6MB
MD5

d72a055eebd32d10fe70ad01824d2c94
SHA1

7f9a5a2a7506b0597549443a15a3f2b6f551ba4a
SHA256

d7a1984f2d549e8481d9430ec4012adae6c769c8672387b705b4a30795d2c512
SHA512

cc41f135e6019f7c16a7eb47c9afb9dbbe2fc928dd519760a0c3f370b1dbaa37699730015d4e30cda16d694c02b74ccf06b388cb18e74eef390991890e788790
SSDEEP

49152:SxzBoHM1VVcP5x/s1NifYa1hsDT3HOzmZt3:SxzBos13q/s1gAbn37P

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
smtp.nbliaoyaun.com
Port:
587
Username:
[email protected]
Password:
Treasure@55

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/5108-7-0x0000000005340000-0x0000000005352000-memory.dmp	CustAttr

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	d72a055eebd32d10fe70ad01824d2c94.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5108 set thread context of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113

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
884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5108	d72a055eebd32d10fe70ad01824d2c94.exe
5108	d72a055eebd32d10fe70ad01824d2c94.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5108	d72a055eebd32d10fe70ad01824d2c94.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4384	d72a055eebd32d10fe70ad01824d2c94.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 884	5108	d72a055eebd32d10fe70ad01824d2c94.exe	110
PID 5108 wrote to memory of 884	5108	d72a055eebd32d10fe70ad01824d2c94.exe	110
PID 5108 wrote to memory of 884	5108	d72a055eebd32d10fe70ad01824d2c94.exe	110
PID 5108 wrote to memory of 2520	5108	d72a055eebd32d10fe70ad01824d2c94.exe	112
PID 5108 wrote to memory of 2520	5108	d72a055eebd32d10fe70ad01824d2c94.exe	112
PID 5108 wrote to memory of 2520	5108	d72a055eebd32d10fe70ad01824d2c94.exe	112
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113
PID 5108 wrote to memory of 4384	5108	d72a055eebd32d10fe70ad01824d2c94.exe	113

C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe
"C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vhfCLlSzhjCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD358.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:884
- C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe
  "C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe"
  2⤵
  PID:2520
- C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe
  "C:\Users\Admin\AppData\Local\Temp\d72a055eebd32d10fe70ad01824d2c94.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4384

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4068 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:3284

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD358.tmp

Filesize
1KB

MD5
8597c94c8b493128a2cdfac526068b61

SHA1
aa00be560cdb1d5454a7f5ff500d09348744d35b

SHA256
9672d27d674bb39a38acd74c0eb2f07fc4a18344eb40b367152b51b4559c27fd

SHA512
9997ff780bbe58d0f7791e54a4f39684ba4cd32075b29bd839a51a98292bdc08127b46aa138c395b0bbd2ecacd898c5c363ae5c239ecc91cd0cff05aebb357b2

Download Submit
memory/4384-24-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/4384-20-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/4384-17-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5108-4-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/5108-5-0x0000000005A50000-0x0000000005A60000-memory.dmp

Filesize
64KB

Download
memory/5108-6-0x0000000005A40000-0x0000000005A4A000-memory.dmp

Filesize
40KB

Download
memory/5108-7-0x0000000005340000-0x0000000005352000-memory.dmp

Filesize
72KB

Download
memory/5108-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-9-0x0000000005A50000-0x0000000005A60000-memory.dmp

Filesize
64KB

Download
memory/5108-10-0x0000000008D70000-0x0000000008EA6000-memory.dmp

Filesize
1.2MB

Download
memory/5108-11-0x0000000008EF0000-0x0000000008FEC000-memory.dmp

Filesize
1008KB

Download
memory/5108-0-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-3-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/5108-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/5108-23-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-1-0x0000000000DF0000-0x0000000000F8E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads