blustealer | 70bca256beb6fe729ae538ac8cd338b9b913d4a0b150ca191f63d0679d1fc69d

Analysis

max time kernel
94s
max time network
91s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
11-08-2022 15:52

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General

Target

hesaphareketi-01.exe
Size

781KB
MD5

b57b379828ae9b57baf1b16ae1df348c
SHA1

acb3a6407b4c8ee41481bbeaadb195d6a59e6815
SHA256

70bca256beb6fe729ae538ac8cd338b9b913d4a0b150ca191f63d0679d1fc69d
SHA512

3dc2836736cf60cbb749e1612f5f7d9443bdea7f8911926d9530a15426caae00eb86a7f2827836c3c74a0c417b9a8db848d5e951af3dc547e6ce2cbed3c99a21

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/852-80-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/852-81-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/852-83-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/852-85-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\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
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 572	1988	hesaphareketi-01.exe	35
PID 572 set thread context of 852	572	hesaphareketi-01.exe	36

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

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

T1053

pid	Process
1544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1988	hesaphareketi-01.exe
1332	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	hesaphareketi-01.exe
Token: SeDebugPrivilege	1332	powershell.exe
Token: SeDebugPrivilege	852	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
572	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1332	1988	hesaphareketi-01.exe	28
PID 1988 wrote to memory of 1332	1988	hesaphareketi-01.exe	28
PID 1988 wrote to memory of 1332	1988	hesaphareketi-01.exe	28
PID 1988 wrote to memory of 1332	1988	hesaphareketi-01.exe	28
PID 1988 wrote to memory of 1544	1988	hesaphareketi-01.exe	30
PID 1988 wrote to memory of 1544	1988	hesaphareketi-01.exe	30
PID 1988 wrote to memory of 1544	1988	hesaphareketi-01.exe	30
PID 1988 wrote to memory of 1544	1988	hesaphareketi-01.exe	30
PID 1988 wrote to memory of 1288	1988	hesaphareketi-01.exe	32
PID 1988 wrote to memory of 1288	1988	hesaphareketi-01.exe	32
PID 1988 wrote to memory of 1288	1988	hesaphareketi-01.exe	32
PID 1988 wrote to memory of 1288	1988	hesaphareketi-01.exe	32
PID 1988 wrote to memory of 776	1988	hesaphareketi-01.exe	33
PID 1988 wrote to memory of 776	1988	hesaphareketi-01.exe	33
PID 1988 wrote to memory of 776	1988	hesaphareketi-01.exe	33
PID 1988 wrote to memory of 776	1988	hesaphareketi-01.exe	33
PID 1988 wrote to memory of 268	1988	hesaphareketi-01.exe	34
PID 1988 wrote to memory of 268	1988	hesaphareketi-01.exe	34
PID 1988 wrote to memory of 268	1988	hesaphareketi-01.exe	34
PID 1988 wrote to memory of 268	1988	hesaphareketi-01.exe	34
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 1988 wrote to memory of 572	1988	hesaphareketi-01.exe	35
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36
PID 572 wrote to memory of 852	572	hesaphareketi-01.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rDYWdqAOpr.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1332
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rDYWdqAOpr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCC9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1544
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  PID:1288
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  PID:776
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  PID:268
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:572
- - 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:852

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDCC9.tmp

Filesize
1KB

MD5
81d092742a422d21478aa70516e93de5

SHA1
4b2244c10cc4c3d0e4da8488b5d88c50fc65e27e

SHA256
f424301df27d90deccca7b40da493f5e2d077edc498fe7d5ec4e3bff3807c7d7

SHA512
bfdfa8bbc47ec42a7259b48b49b8dcd6a44a46e63181d2869ddccd2707846780d51adc051f640ca82b457876feb01319af584f4fc29e5400676ca0cbfcc76eef

Download Submit
memory/572-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-88-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-77-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/572-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/852-80-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/852-85-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/852-83-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/852-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1332-87-0x000000006E5C0000-0x000000006EB6B000-memory.dmp

Filesize
5.7MB

Download
memory/1332-76-0x000000006E5C0000-0x000000006EB6B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-58-0x0000000005680000-0x00000000056E8000-memory.dmp

Filesize
416KB

Download
memory/1988-54-0x0000000000170000-0x000000000023A000-memory.dmp

Filesize
808KB

Download
memory/1988-56-0x0000000000530000-0x0000000000554000-memory.dmp

Filesize
144KB

Download
memory/1988-57-0x0000000000770000-0x000000000077C000-memory.dmp

Filesize
48KB

Download
memory/1988-63-0x0000000002210000-0x000000000223C000-memory.dmp

Filesize
176KB

Download
memory/1988-55-0x0000000075731000-0x0000000075733000-memory.dmp

Filesize
8KB

Download