blustealer | dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae

General

Target

dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe
Size

847KB
MD5

200bbb757192fb530d38711a112338ba
SHA1

259c77525cf161a376a07ed9a035c3064e2a1f17
SHA256

dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae
SHA512

b387ea9263598db899501f202f754e0bbc39b72be177857809a70fc4608310b46e00fe9d96e9cc00d2a2c9ce48bec764f0f4aaa989724d0079711b8cd37866ea

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

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/4988-153-0x00000000005C0000-0x00000000005DA000-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	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.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
20	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3504 set thread context of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 4744 set thread context of 4988	4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	84

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	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
5004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe
3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe
1380	powershell.exe
1380	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe
Token: SeDebugPrivilege	1380	powershell.exe
Token: SeDebugPrivilege	4988	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 1380	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	78
PID 3504 wrote to memory of 1380	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	78
PID 3504 wrote to memory of 1380	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	78
PID 3504 wrote to memory of 5004	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	80
PID 3504 wrote to memory of 5004	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	80
PID 3504 wrote to memory of 5004	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	80
PID 3504 wrote to memory of 4712	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	82
PID 3504 wrote to memory of 4712	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	82
PID 3504 wrote to memory of 4712	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	82
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 3504 wrote to memory of 4744	3504	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	83
PID 4744 wrote to memory of 4988	4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	84
PID 4744 wrote to memory of 4988	4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	84
PID 4744 wrote to memory of 4988	4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	84
PID 4744 wrote to memory of 4988	4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	84
PID 4744 wrote to memory of 4988	4744	dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe	84

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\dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe
"C:\Users\Admin\AppData\Local\Temp\dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RAUXoDciVwKR.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1380
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RAUXoDciVwKR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B9F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:5004
- C:\Users\Admin\AppData\Local\Temp\dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe
  "C:\Users\Admin\AppData\Local\Temp\dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe"
  2⤵
  PID:4712
- C:\Users\Admin\AppData\Local\Temp\dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe
  "C:\Users\Admin\AppData\Local\Temp\dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4744
- - 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:4988

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\tmp4B9F.tmp

Filesize
1KB

MD5
f4771cbe522ae5adc92b247eb709341c

SHA1
cbf2573923e960d6431e84ca392917aa352c8f26

SHA256
f14ec2ff2b41ada3fdf1afcd3babd672d310e86c484619dc60d35eeb59e49c3a

SHA512
307a71f810707a4eb99614bed9e3577f8cc700905c1956fea12acf8a82f7c9176098e0e71802826c8b44dfbd0f533aa22d55d58be412fee7a83f76e77b88abfe

Download Submit
memory/1380-150-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/1380-163-0x00000000075A0000-0x00000000075AE000-memory.dmp

Filesize
56KB

Download
memory/1380-148-0x0000000005140000-0x00000000051A6000-memory.dmp

Filesize
408KB

Download
memory/1380-157-0x0000000070380000-0x00000000703CC000-memory.dmp

Filesize
304KB

Download
memory/1380-156-0x0000000007020000-0x0000000007052000-memory.dmp

Filesize
200KB

Download
memory/1380-139-0x0000000004AD0000-0x0000000004B06000-memory.dmp

Filesize
216KB

Download
memory/1380-159-0x00000000079B0000-0x000000000802A000-memory.dmp

Filesize
6.5MB

Download
memory/1380-165-0x0000000007690000-0x0000000007698000-memory.dmp

Filesize
32KB

Download
memory/1380-143-0x0000000005300000-0x0000000005928000-memory.dmp

Filesize
6.2MB

Download
memory/1380-164-0x00000000076B0000-0x00000000076CA000-memory.dmp

Filesize
104KB

Download
memory/1380-158-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/1380-147-0x0000000004F90000-0x0000000004FB2000-memory.dmp

Filesize
136KB

Download
memory/1380-162-0x00000000075F0000-0x0000000007686000-memory.dmp

Filesize
600KB

Download
memory/1380-154-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/1380-161-0x00000000073E0000-0x00000000073EA000-memory.dmp

Filesize
40KB

Download
memory/1380-160-0x0000000007370000-0x000000000738A000-memory.dmp

Filesize
104KB

Download
memory/3504-134-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download
memory/3504-135-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/3504-133-0x0000000005BD0000-0x0000000006174000-memory.dmp

Filesize
5.6MB

Download
memory/3504-132-0x0000000000B10000-0x0000000000BE8000-memory.dmp

Filesize
864KB

Download
memory/3504-136-0x000000000B930000-0x000000000B9CC000-memory.dmp

Filesize
624KB

Download
memory/4744-155-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4744-166-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4744-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4744-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4988-153-0x00000000005C0000-0x00000000005DA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads