blustealer | 8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd

General

Target

8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe
Size

105KB
MD5

e2419d65e2d88ed19b494daaccc05712
SHA1

3e3db7a4f0beafa3c41827020b76b20d27cb6767
SHA256

8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd
SHA512

eade4b4d24b17a95cb0f6163ee2c3df5442f3581ca11a68ee831e436c3f2f95e2fadf833d128b03ac40f6bb6d637ed53792c04ee43eedf397301a0ce9d010109
SSDEEP

3072:9Cc53RIZ2BtFUQd7JrnQjm7szl7sC7wwn:lIZ25UUQj9zl7I

Score

10^/10

blustealer stormkitty collection persistence stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5576673774:AAF__hFRh9bcJV72HkFb-9eZR9JNNyuOmFM/sendMessage?chat_id=1194722650

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
behavioral1/memory/5112-150-0x0000000000B00000-0x0000000000B1A000-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	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\google\\chrome.exe\""	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.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
36	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 4652 set thread context of 5112	4652	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	92

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
1424	powershell.exe
1424	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe
Token: SeDebugPrivilege	1424	powershell.exe
Token: SeDebugPrivilege	5112	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4652	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1424	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	82
PID 2300 wrote to memory of 1424	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	82
PID 2300 wrote to memory of 1424	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	82
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 2300 wrote to memory of 4652	2300	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	91
PID 4652 wrote to memory of 5112	4652	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	92
PID 4652 wrote to memory of 5112	4652	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	92
PID 4652 wrote to memory of 5112	4652	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	92
PID 4652 wrote to memory of 5112	4652	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	92
PID 4652 wrote to memory of 5112	4652	8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe	92

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\8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe
"C:\Users\Admin\AppData\Local\Temp\8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1424
- C:\Users\Admin\AppData\Local\Temp\8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe
  C:\Users\Admin\AppData\Local\Temp\8d07cd7ceb888ec77c8f28fc6f3e61791605c4c2cdaad7ff31450cb9c94358fd.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4652
- - 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:5112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

memory/1424-140-0x00000000074C0000-0x0000000007B3A000-memory.dmp

Filesize
6.5MB

Download
memory/1424-141-0x0000000006150000-0x000000000616A000-memory.dmp

Filesize
104KB

Download
memory/1424-135-0x0000000000ED0000-0x0000000000F06000-memory.dmp

Filesize
216KB

Download
memory/1424-136-0x0000000004F10000-0x0000000005538000-memory.dmp

Filesize
6.2MB

Download
memory/1424-137-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/1424-138-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/1424-139-0x0000000005C50000-0x0000000005C6E000-memory.dmp

Filesize
120KB

Download
memory/2300-133-0x0000000008C90000-0x0000000008CB2000-memory.dmp

Filesize
136KB

Download
memory/2300-132-0x00000000002B0000-0x00000000002D0000-memory.dmp

Filesize
128KB

Download
memory/4652-152-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4652-143-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4652-145-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4652-148-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/5112-150-0x0000000000B00000-0x0000000000B1A000-memory.dmp

Filesize
104KB

Download
memory/5112-151-0x00000000057F0000-0x000000000588C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads