blustealer | cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83

General

Target

cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe
Size

1.0MB
MD5

4d978699b2bfe1caa498959e6f8d24c6
SHA1

5b3741f09c2a9a43deaa46ed96df18d01c7813c6
SHA256

cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83
SHA512

4a9fd3e03d0c1dae3edd3caaf11cd0d38bc2a15609ace7998bdd151d0ef80a70d7928418db4dfbd63af7e743fccb64df45bad6ec4f9017209d92e805d0f9e040
SSDEEP

24576:Nqymo1qR8bFCvTsBmx8NMMnGNHR3kQKSBm:Nq6QBwBmx8mCkJkmg

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5412597166:AAGUaWxuTxxhNb-NRhiURcTMzuW9nhGoEs/sendMessage?chat_id=932962718

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 1 IoCs

resource	yara_rule
behavioral2/memory/2272-159-0x00000000013B0000-0x00000000013CA000-memory.dmp	family_stormkitty

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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
45	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3536 set thread context of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3060 set thread context of 2272	3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	97

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
4028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3904	powershell.exe
3904	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	powershell.exe
Token: SeDebugPrivilege	2272	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 3904	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	92
PID 3536 wrote to memory of 3904	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	92
PID 3536 wrote to memory of 3904	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	92
PID 3536 wrote to memory of 4028	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	94
PID 3536 wrote to memory of 4028	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	94
PID 3536 wrote to memory of 4028	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	94
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3536 wrote to memory of 3060	3536	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	96
PID 3060 wrote to memory of 2272	3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	97
PID 3060 wrote to memory of 2272	3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	97
PID 3060 wrote to memory of 2272	3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	97
PID 3060 wrote to memory of 2272	3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	97
PID 3060 wrote to memory of 2272	3060	cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe
"C:\Users\Admin\AppData\Local\Temp\cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RhEwdULrmpxS.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RhEwdULrmpxS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E3.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4028
- C:\Users\Admin\AppData\Local\Temp\cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe
  "C:\Users\Admin\AppData\Local\Temp\cacdd063765d8392c5170288190233117fd8c99fee8290613c0834f4e1f4fa83.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3060
- - 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:2272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3E3.tmp

Filesize
1KB

MD5
49f85c552304c87e675c7231769be1e9

SHA1
806c21e8a562fe944085930656a5291d449437ef

SHA256
0768546a0872779e90299dc970250354678318d2e357a28c015271ed2e6d5d55

SHA512
c564308ead6677ccfafbfebd00499777e20f29126234debbc73c791444768a0f53680057fc42f3fd067e9cdf7a6e76001e9f8f6203f327c364d2473764350f21

Download Submit
memory/2272-159-0x00000000013B0000-0x00000000013CA000-memory.dmp

Filesize
104KB

Download
memory/3060-165-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3060-151-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3060-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3060-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3536-136-0x0000000009060000-0x00000000090FC000-memory.dmp

Filesize
624KB

Download
memory/3536-137-0x0000000001110000-0x0000000001176000-memory.dmp

Filesize
408KB

Download
memory/3536-135-0x0000000005320000-0x000000000532A000-memory.dmp

Filesize
40KB

Download
memory/3536-134-0x0000000005350000-0x00000000053E2000-memory.dmp

Filesize
584KB

Download
memory/3536-133-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download
memory/3536-132-0x0000000000870000-0x000000000097A000-memory.dmp

Filesize
1.0MB

Download
memory/3904-156-0x0000000007410000-0x0000000007A8A000-memory.dmp

Filesize
6.5MB

Download
memory/3904-141-0x00000000021B0000-0x00000000021E6000-memory.dmp

Filesize
216KB

Download
memory/3904-149-0x0000000004B00000-0x0000000004B22000-memory.dmp

Filesize
136KB

Download
memory/3904-152-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

Filesize
120KB

Download
memory/3904-153-0x0000000006A70000-0x0000000006AA2000-memory.dmp

Filesize
200KB

Download
memory/3904-154-0x0000000071B00000-0x0000000071B4C000-memory.dmp

Filesize
304KB

Download
memory/3904-155-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/3904-143-0x0000000004D90000-0x00000000053B8000-memory.dmp

Filesize
6.2MB

Download
memory/3904-157-0x0000000006DD0000-0x0000000006DEA000-memory.dmp

Filesize
104KB

Download
memory/3904-150-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/3904-160-0x0000000006E40000-0x0000000006E4A000-memory.dmp

Filesize
40KB

Download
memory/3904-161-0x0000000007050000-0x00000000070E6000-memory.dmp

Filesize
600KB

Download
memory/3904-162-0x0000000007000000-0x000000000700E000-memory.dmp

Filesize
56KB

Download
memory/3904-163-0x0000000007110000-0x000000000712A000-memory.dmp

Filesize
104KB

Download
memory/3904-164-0x00000000070F0000-0x00000000070F8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads