blustealer | 3129b84bf731a2348ea99a5d7e03c9b52993963a88607ad149b13b7cba499f19

General

Target

palmic.exe
Size

66KB
MD5

ec56a21c8ee1d373f5e892cc19a14441
SHA1

e2834f9bfe32bb1a6b4fbb4cff128e8dcdece15b
SHA256

3129b84bf731a2348ea99a5d7e03c9b52993963a88607ad149b13b7cba499f19
SHA512

b78ca39248267de920b270323134d354cabee4fc434f1ba216669d504ffdc5e2b7cd45d54e48f457cfc9afb4cc1a52d91a0523fa7899ea8f36324668c0bd5532
SSDEEP

768:Yy8W6IZhbT3GpO1gyapErmN7uPS/Zp8Hk/8gV90DBVpGwDO+snK5k41PMArE7+6d:YHI72gQk+NoVLsK5k410jEY+ICyjZ

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/2088-144-0x0000000000910000-0x000000000092A000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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

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 3584 set thread context of 4100	3584	palmic.exe	80
PID 4100 set thread context of 2088	4100	Caspol.exe	81

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 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3584	palmic.exe
Token: SeDebugPrivilege	2088	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4100	Caspol.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 3584 wrote to memory of 4100	3584	palmic.exe	80
PID 4100 wrote to memory of 2088	4100	Caspol.exe	81
PID 4100 wrote to memory of 2088	4100	Caspol.exe	81
PID 4100 wrote to memory of 2088	4100	Caspol.exe	81
PID 4100 wrote to memory of 2088	4100	Caspol.exe	81
PID 4100 wrote to memory of 2088	4100	Caspol.exe	81

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\palmic.exe
"C:\Users\Admin\AppData\Local\Temp\palmic.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4100
- - 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:2088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2088-144-0x0000000000910000-0x000000000092A000-memory.dmp

Filesize
104KB

Download
memory/2088-145-0x0000000004DA0000-0x0000000004E06000-memory.dmp

Filesize
408KB

Download
memory/2088-146-0x0000000005620000-0x00000000056BC000-memory.dmp

Filesize
624KB

Download
memory/3584-135-0x0000000000910000-0x0000000000926000-memory.dmp

Filesize
88KB

Download
memory/4100-137-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4100-139-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4100-142-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

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