blustealer | 5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14

General

Target

5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe
Size

916KB
MD5

36fdb48cc5c22aa2830b34fccb9fca3d
SHA1

9fa2af364b6320a09cd19bb5d4f4469751125f6a
SHA256

5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14
SHA512

7e84aad88a7c926df983d111144c5c5d2de878b0ee2cb302efa57dadea56c206542ca6c32fa0098581cf6b4cb9508e3f5473f56b106388cc32615a4595754e06
SSDEEP

12288:1hLuyAHx4AlAp8uoJbd4Hjt4ukeYotkFSfvXTKEZixlARHwsb+zv0B636:1hLuyyEpuat4uk5EnTvU6MvSn

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/3512-154-0x0000000000F00000-0x0000000000F1A000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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 5068 set thread context of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 3876 set thread context of 3512	3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.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
2424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2312	powershell.exe
2312	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	3512	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 2312	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	92
PID 5068 wrote to memory of 2312	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	92
PID 5068 wrote to memory of 2312	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	92
PID 5068 wrote to memory of 2424	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	94
PID 5068 wrote to memory of 2424	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	94
PID 5068 wrote to memory of 2424	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	94
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 5068 wrote to memory of 3876	5068	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	96
PID 3876 wrote to memory of 3512	3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	97
PID 3876 wrote to memory of 3512	3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	97
PID 3876 wrote to memory of 3512	3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	97
PID 3876 wrote to memory of 3512	3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	97
PID 3876 wrote to memory of 3512	3876	5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe
"C:\Users\Admin\AppData\Local\Temp\5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\arGJPDxqejOAVq.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2312
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\arGJPDxqejOAVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp689D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2424
- C:\Users\Admin\AppData\Local\Temp\5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe
  "C:\Users\Admin\AppData\Local\Temp\5adfdecdb6a36f1923e0effdd948c8be0cfa51e27135777289024a398f55ac14.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3876
- - 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:3512

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\tmp689D.tmp

Filesize
1KB

MD5
1b0113e6f76cd437fc564b4fafc09906

SHA1
bfa15c7f2a9044c1c54d44ccca7fce3dc3d6e8d8

SHA256
f90dfbb18c0910c65cb1849d6fe3677be3a6fdec4e7a40e6d03247137ea4d825

SHA512
eb365f7552bfdb59faafc437923f22c72b62e8666eac4ac37eeba6e7b157476be51d2653c3461c16eb58d7d03c41c9c0ea3d3d7ceaf6f38a107b2e1f927777de

Download Submit
memory/2312-156-0x0000000071210000-0x000000007125C000-memory.dmp

Filesize
304KB

Download
memory/2312-140-0x0000000002610000-0x0000000002646000-memory.dmp

Filesize
216KB

Download
memory/2312-159-0x0000000007240000-0x000000000725A000-memory.dmp

Filesize
104KB

Download
memory/2312-149-0x0000000005830000-0x0000000005896000-memory.dmp

Filesize
408KB

Download
memory/2312-164-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/2312-160-0x00000000072C0000-0x00000000072CA000-memory.dmp

Filesize
40KB

Download
memory/2312-152-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/2312-163-0x0000000007580000-0x000000000759A000-memory.dmp

Filesize
104KB

Download
memory/2312-143-0x00000000050A0000-0x00000000056C8000-memory.dmp

Filesize
6.2MB

Download
memory/2312-158-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/2312-157-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/2312-161-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/2312-147-0x00000000056D0000-0x00000000056F2000-memory.dmp

Filesize
136KB

Download
memory/2312-155-0x0000000006EF0000-0x0000000006F22000-memory.dmp

Filesize
200KB

Download
memory/2312-162-0x0000000007470000-0x000000000747E000-memory.dmp

Filesize
56KB

Download
memory/3512-154-0x0000000000F00000-0x0000000000F1A000-memory.dmp

Filesize
104KB

Download
memory/3876-165-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3876-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3876-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3876-151-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/5068-133-0x0000000005190000-0x0000000005734000-memory.dmp

Filesize
5.6MB

Download
memory/5068-132-0x00000000001B0000-0x000000000029A000-memory.dmp

Filesize
936KB

Download
memory/5068-135-0x0000000005140000-0x000000000514A000-memory.dmp

Filesize
40KB

Download
memory/5068-134-0x0000000004C80000-0x0000000004D12000-memory.dmp

Filesize
584KB

Download
memory/5068-137-0x0000000000B60000-0x0000000000BC6000-memory.dmp

Filesize
408KB

Download
memory/5068-136-0x0000000008BC0000-0x0000000008C5C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads