blustealer | 8a07f89b4dee439c3440a9aea91436c3d73f0e07504a0b841b9ac56cb423aca0

General

Target

SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.exe
Size

22KB
MD5

1310646bc42b16eb07ffe30fe7ffc2cc
SHA1

9b24e599bfdb6ea1f31594400b155daba1e33c5f
SHA256

8a07f89b4dee439c3440a9aea91436c3d73f0e07504a0b841b9ac56cb423aca0
SHA512

b2ebbb5a836c3ea5c00ba84272b9463d30eded1e955eace75b15f4f1431c5f421b64b40d6cc568ab417358a83fa5c5a0fa4592c33a19c195f69f64764cb017ca
SSDEEP

384:ftxafuqsQniJnOUYjxJhT7KSENddXLH51NnnjLYbjmjI:fdoKnXLH51NnnkyjI

Score

10^/10

blustealer stormkitty collection spyware stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5627356603:AAG-Mx0TbSHRRW6IwndrpX3VLZdhd6C-Zac/sendMessage?chat_id=5472437377

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/1956-144-0x0000000000B40000-0x0000000000B5A000-memory.dmp	family_stormkitty

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
5068	palmic.exe

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	SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.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

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
39	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5068 set thread context of 428	5068	palmic.exe	81
PID 428 set thread context of 1956	428	Caspol.exe	82

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.exe
Token: SeDebugPrivilege	5068	palmic.exe
Token: SeDebugPrivilege	1956	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
428	Caspol.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 5068	4844	SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.exe	80
PID 4844 wrote to memory of 5068	4844	SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.exe	80
PID 4844 wrote to memory of 5068	4844	SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.exe	80
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 5068 wrote to memory of 428	5068	palmic.exe	81
PID 428 wrote to memory of 1956	428	Caspol.exe	82
PID 428 wrote to memory of 1956	428	Caspol.exe	82
PID 428 wrote to memory of 1956	428	Caspol.exe	82
PID 428 wrote to memory of 1956	428	Caspol.exe	82
PID 428 wrote to memory of 1956	428	Caspol.exe	82

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\SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Agent.DSJ.gen.Eldorado.11406.11467.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4844
- C:\ProgramData\palmic.exe
  "C:\ProgramData\palmic.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:428
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      4⤵
      Accesses Microsoft Outlook profiles
      Checks processor information in registry
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      outlook_win_path
      PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\palmic.exe

Filesize
66KB

MD5
ec56a21c8ee1d373f5e892cc19a14441

SHA1
e2834f9bfe32bb1a6b4fbb4cff128e8dcdece15b

SHA256
3129b84bf731a2348ea99a5d7e03c9b52993963a88607ad149b13b7cba499f19

SHA512
b78ca39248267de920b270323134d354cabee4fc434f1ba216669d504ffdc5e2b7cd45d54e48f457cfc9afb4cc1a52d91a0523fa7899ea8f36324668c0bd5532

Download Submit
C:\ProgramData\palmic.exe

Filesize
66KB

MD5
ec56a21c8ee1d373f5e892cc19a14441

SHA1
e2834f9bfe32bb1a6b4fbb4cff128e8dcdece15b

SHA256
3129b84bf731a2348ea99a5d7e03c9b52993963a88607ad149b13b7cba499f19

SHA512
b78ca39248267de920b270323134d354cabee4fc434f1ba216669d504ffdc5e2b7cd45d54e48f457cfc9afb4cc1a52d91a0523fa7899ea8f36324668c0bd5532

Download Submit
memory/428-138-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/428-140-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/428-146-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/428-147-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1956-144-0x0000000000B40000-0x0000000000B5A000-memory.dmp

Filesize
104KB

Download
memory/1956-145-0x00000000052D0000-0x0000000005336000-memory.dmp

Filesize
408KB

Download
memory/1956-148-0x0000000005D80000-0x0000000005E1C000-memory.dmp

Filesize
624KB

Download
memory/4844-132-0x0000000000D80000-0x0000000000D8A000-memory.dmp

Filesize
40KB

Download
memory/5068-136-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads