blustealer | 037d8a64737d1acef4673f5d4715335dcbcaeab70d9c4b291597922b9133c6b1

General

Target

SecuriteInfo.com.W32.AIDetectNet.01.15918.exe
Size

1.6MB
MD5

c060875fc943e002d7ec0060cddfceb6
SHA1

3280669756354d93239776e1070bfc5d3aa11d05
SHA256

037d8a64737d1acef4673f5d4715335dcbcaeab70d9c4b291597922b9133c6b1
SHA512

c8da0520f3f6459dd2b5bdeb94b67fd7d7b3b854c0d807bd70419f731c766ab24858ad6ffdb0e4bbcb0992b363d59af6063c9d2bf8bf576ed1b2aae8752ad3ef

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 4 IoCs

resource	yara_rule
behavioral1/memory/652-79-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/652-80-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/652-82-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/652-84-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1560 set thread context of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1064 set thread context of 652	1064	InstallUtil.exe	30

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

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1948	powershell.exe
1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe
Token: SeDebugPrivilege	1948	powershell.exe
Token: SeDebugPrivilege	652	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1064	InstallUtil.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 1948	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	27
PID 1560 wrote to memory of 1948	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	27
PID 1560 wrote to memory of 1948	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	27
PID 1560 wrote to memory of 1948	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	27
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1560 wrote to memory of 1064	1560	SecuriteInfo.com.W32.AIDetectNet.01.15918.exe	29
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30
PID 1064 wrote to memory of 652	1064	InstallUtil.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2591564548-2301609547-1748242483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.15918.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.15918.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-77-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/652-84-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/652-82-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/652-79-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1064-76-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1064-72-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1064-86-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1064-64-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1064-65-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1064-67-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1064-69-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1560-54-0x0000000000AE0000-0x0000000000C78000-memory.dmp

Filesize
1.6MB

Download
memory/1560-58-0x0000000004D80000-0x0000000004E12000-memory.dmp

Filesize
584KB

Download
memory/1560-57-0x0000000074D71000-0x0000000074D73000-memory.dmp

Filesize
8KB

Download
memory/1560-56-0x0000000000A70000-0x0000000000ABE000-memory.dmp

Filesize
312KB

Download
memory/1560-55-0x0000000002210000-0x00000000022EC000-memory.dmp

Filesize
880KB

Download
memory/1948-63-0x000000006F530000-0x000000006FADB000-memory.dmp

Filesize
5.7MB

Download
memory/1948-61-0x000000006F530000-0x000000006FADB000-memory.dmp

Filesize
5.7MB

Download
memory/1948-62-0x000000006F530000-0x000000006FADB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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