blustealer | af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f

General

Target

af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
Size

714KB
MD5

78f6fb28169a919b41474529ec8a59bc
SHA1

f34f60fe15ef696a0e666d9a32157e695aa334a3
SHA256

af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f
SHA512

333aef1e84ccbdc32c4e1016663516c2932be0e5e7f8d4299a5111236f4f8f5ff942686088531b45d0942c0136a71538d39932063844d60ee075a9411080f7d5
SSDEEP

12288:rKa+70n6pT/3Eb47XK6hTBr1pUviaB5jM24QE/+Fz:f+7ZTvEs2ql5AXHjz4Uz

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5732817033:AAFBYIIZmJ7NuvVwD7WRcbV9qwcOqT7RpwM/sendMessage?chat_id=1638137774

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/792-78-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/792-79-0x00000000000E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/792-81-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/792-83-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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 1976 set thread context of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1204 set thread context of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32

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
948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
1356	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
Token: SeDebugPrivilege	1356	powershell.exe
Token: SeDebugPrivilege	792	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1356	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	27
PID 1976 wrote to memory of 1356	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	27
PID 1976 wrote to memory of 1356	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	27
PID 1976 wrote to memory of 1356	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	27
PID 1976 wrote to memory of 948	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	29
PID 1976 wrote to memory of 948	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	29
PID 1976 wrote to memory of 948	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	29
PID 1976 wrote to memory of 948	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	29
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1976 wrote to memory of 1204	1976	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32
PID 1204 wrote to memory of 792	1204	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
"C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rxfPGfRcCOLI.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rxfPGfRcCOLI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD366.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:948
- C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
  "C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1204
- - 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:792

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

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD366.tmp

Filesize
1KB

MD5
8c16408908cb73a5f1424a83b3881eda

SHA1
64d4b34f38348942dd8931267bb74e9f8b8967ee

SHA256
5939d222a46b2e6dd5a2675b1639b7a46052113a17d79071671d43949538a60f

SHA512
6a11ba06b54ca57b71f0e475828db84b37ca33baa258561447ff7be2e02250eaf375a7c4e0d16203efe1a6d0a5b1cfddeb6b3506886fa3215530aa2c7b884248

Download Submit
memory/792-83-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/792-81-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/792-78-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/792-76-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1204-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-72-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-87-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-67-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1204-86-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1356-85-0x000000006F160000-0x000000006F70B000-memory.dmp

Filesize
5.7MB

Download
memory/1976-58-0x0000000005710000-0x0000000005790000-memory.dmp

Filesize
512KB

Download
memory/1976-57-0x0000000000690000-0x000000000069C000-memory.dmp

Filesize
48KB

Download
memory/1976-56-0x0000000000680000-0x0000000000694000-memory.dmp

Filesize
80KB

Download
memory/1976-55-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1976-63-0x0000000000FA0000-0x0000000000FCA000-memory.dmp

Filesize
168KB

Download
memory/1976-54-0x00000000010A0000-0x000000000115A000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads