blustealer | 97dd5625186d8b272fcffd07098106fdebc7792a18a019cb310ff81f0d7e0a21

General

Target

SecuriteInfo.com.Win32.PWSX-gen.14959.exe
Size

743KB
MD5

9700401bc6c92451ec9a185a7a042cbd
SHA1

f666e7947886353448e6d09798f36f1979a1cd91
SHA256

97dd5625186d8b272fcffd07098106fdebc7792a18a019cb310ff81f0d7e0a21
SHA512

27c51fb4cfca469c84429f3f0f45e7252a6e6f139318645bcea8ac245607beab0c3d5c645f969bd68fc29d2a7f2449c393a9769c88671d946ff6ca3d62c776ed
SSDEEP

12288:uQuq/PQ5IWui9CZzPKFgBGq0vAf2xyttXNsRb06N3L9LG:RCxui9CZzPKFc7UAdqRb33L9L

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5617443580:AAFX8iYrXMCASkw95O815OVGuLWLdSgh8Qo/sendMessage?chat_id=5334267822

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/1564-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1564-79-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1564-81-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1564-83-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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 1100 set thread context of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 760 set thread context of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33

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
968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe
1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe
1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe
1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe
1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe
1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe
1228	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe
Token: SeDebugPrivilege	1228	powershell.exe
Token: SeDebugPrivilege	1564	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1228	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	28
PID 1100 wrote to memory of 1228	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	28
PID 1100 wrote to memory of 1228	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	28
PID 1100 wrote to memory of 1228	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	28
PID 1100 wrote to memory of 968	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	30
PID 1100 wrote to memory of 968	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	30
PID 1100 wrote to memory of 968	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	30
PID 1100 wrote to memory of 968	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	30
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 1100 wrote to memory of 760	1100	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	32
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33
PID 760 wrote to memory of 1564	760	SecuriteInfo.com.Win32.PWSX-gen.14959.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.14959.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.14959.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iweHVzHG.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1228
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iweHVzHG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD00C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:968
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.14959.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.14959.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:760
- - 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:1564

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\tmpD00C.tmp

Filesize
1KB

MD5
5b150b08a64f804c29f1b89c107710ad

SHA1
8806a0f7eabca7432b88558beffd27e77aa438eb

SHA256
8e927948a2267c1f506863047cfddcef713509c6739797e28d5b20e0cb32cc45

SHA512
257ca34d419e80dbc1b147a26aeb87a9f122b3015fa376c1cea5d0a8a74e0de025a12c26d5bbc6ce189408e28bd06756f7801afb11a4fa9f08c64bcc16fbab66

Download Submit
memory/760-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/760-87-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/760-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/760-86-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/760-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/760-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/760-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1100-58-0x00000000054E0000-0x0000000005562000-memory.dmp

Filesize
520KB

Download
memory/1100-63-0x0000000004E00000-0x0000000004E2C000-memory.dmp

Filesize
176KB

Download
memory/1100-54-0x0000000000BA0000-0x0000000000C5E000-memory.dmp

Filesize
760KB

Download
memory/1100-57-0x00000000004F0000-0x00000000004FC000-memory.dmp

Filesize
48KB

Download
memory/1100-56-0x00000000004E0000-0x00000000004F4000-memory.dmp

Filesize
80KB

Download
memory/1100-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1228-85-0x000000006E900000-0x000000006EEAB000-memory.dmp

Filesize
5.7MB

Download
memory/1564-81-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1564-83-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1564-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1564-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads