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 1 IoCs

resource	yara_rule
behavioral2/memory/4276-153-0x00000000003D0000-0x00000000003EA000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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
32	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 4464 set thread context of 4276	4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96

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
1060	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
4268	powershell.exe
4268	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
Token: SeDebugPrivilege	4268	powershell.exe
Token: SeDebugPrivilege	4276	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 4268	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	91
PID 3020 wrote to memory of 4268	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	91
PID 3020 wrote to memory of 4268	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	91
PID 3020 wrote to memory of 1060	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	93
PID 3020 wrote to memory of 1060	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	93
PID 3020 wrote to memory of 1060	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	93
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 3020 wrote to memory of 4464	3020	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	95
PID 4464 wrote to memory of 4276	4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96
PID 4464 wrote to memory of 4276	4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96
PID 4464 wrote to memory of 4276	4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96
PID 4464 wrote to memory of 4276	4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96
PID 4464 wrote to memory of 4276	4464	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020
- 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:4268
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rxfPGfRcCOLI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D74.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1060
- 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:4464
- - 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:4276

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\tmp4D74.tmp

Filesize
1KB

MD5
e8addd6baaaf20275c281e579d7d838e

SHA1
4a692d18d29f097e217bc34b4b272cb646626462

SHA256
5413f67229105be0cbcc0dafbd8ee72f3d640ff9385b2c15120caccde2903bf7

SHA512
3bf33e91cce87f5fc881303c4be6331e81ae10bd28ee18b2964949c11fe61a5cfd0bf38f5a42db0886b41e6ed46e8510f53eae090ea81cbbfd75f548dc5d6828

Download Submit
memory/3020-133-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/3020-134-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/3020-135-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/3020-136-0x0000000007780000-0x000000000781C000-memory.dmp

Filesize
624KB

Download
memory/3020-137-0x0000000007B90000-0x0000000007BF6000-memory.dmp

Filesize
408KB

Download
memory/3020-132-0x0000000000630000-0x00000000006EA000-memory.dmp

Filesize
744KB

Download
memory/4268-148-0x0000000004DE0000-0x0000000004E02000-memory.dmp

Filesize
136KB

Download
memory/4268-154-0x0000000005D70000-0x0000000005D8E000-memory.dmp

Filesize
120KB

Download
memory/4268-164-0x00000000073C0000-0x00000000073C8000-memory.dmp

Filesize
32KB

Download
memory/4268-163-0x00000000073E0000-0x00000000073FA000-memory.dmp

Filesize
104KB

Download
memory/4268-143-0x0000000004F70000-0x0000000005598000-memory.dmp

Filesize
6.2MB

Download
memory/4268-162-0x00000000072D0000-0x00000000072DE000-memory.dmp

Filesize
56KB

Download
memory/4268-149-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/4268-161-0x0000000007320000-0x00000000073B6000-memory.dmp

Filesize
600KB

Download
memory/4268-160-0x0000000007110000-0x000000000711A000-memory.dmp

Filesize
40KB

Download
memory/4268-159-0x00000000070A0000-0x00000000070BA000-memory.dmp

Filesize
104KB

Download
memory/4268-140-0x00000000047C0000-0x00000000047F6000-memory.dmp

Filesize
216KB

Download
memory/4268-155-0x0000000006360000-0x0000000006392000-memory.dmp

Filesize
200KB

Download
memory/4268-156-0x000000006FEF0000-0x000000006FF3C000-memory.dmp

Filesize
304KB

Download
memory/4268-157-0x0000000006340000-0x000000000635E000-memory.dmp

Filesize
120KB

Download
memory/4268-158-0x00000000076E0000-0x0000000007D5A000-memory.dmp

Filesize
6.5MB

Download
memory/4276-153-0x00000000003D0000-0x00000000003EA000-memory.dmp

Filesize
104KB

Download
memory/4464-151-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4464-146-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4464-144-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4464-165-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads