blustealer | d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508

General

Target

d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe
Size

597KB
MD5

da88f31c52b2e7db62ae5840870b2a37
SHA1

7ba2fc17c47159045f52ca317c581f2a2b79939f
SHA256

d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508
SHA512

c7a78c7026e6a2dbf3080d19c7ff311448e3c59f937f1d2b8397965f872fffad10f8c2be1385284ec9ab24d1d6ce87f021da90a2f8307729f0ba116a5872823b
SSDEEP

12288:7acepbKbfqHbOAHD0j356a5R6P2mQtqSBwAqV+:7ZMbKibZHD0zz5EemaqswT

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/220-154-0x0000000000940000-0x000000000095A000-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	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.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
49	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4648 set thread context of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 3284 set thread context of 220	3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	88

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
1976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4540	powershell.exe
4540	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	powershell.exe
Token: SeDebugPrivilege	220	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4540	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	83
PID 4648 wrote to memory of 4540	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	83
PID 4648 wrote to memory of 4540	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	83
PID 4648 wrote to memory of 1976	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	85
PID 4648 wrote to memory of 1976	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	85
PID 4648 wrote to memory of 1976	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	85
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 4648 wrote to memory of 3284	4648	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	87
PID 3284 wrote to memory of 220	3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	88
PID 3284 wrote to memory of 220	3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	88
PID 3284 wrote to memory of 220	3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	88
PID 3284 wrote to memory of 220	3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	88
PID 3284 wrote to memory of 220	3284	d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe	88

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\d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe
"C:\Users\Admin\AppData\Local\Temp\d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xPhyAb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4540
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xPhyAb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84C0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1976
- C:\Users\Admin\AppData\Local\Temp\d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe
  "C:\Users\Admin\AppData\Local\Temp\d079abc9b57395804589c2583f98855b02d8aab8f850df5c56a9ce0aa1114508.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3284
- - 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:220

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\tmp84C0.tmp

Filesize
1KB

MD5
53a7b50a0a286f025f85dc0bbb11673f

SHA1
cffc19317c19a49130dadc877f7782ff4e1042d4

SHA256
76f7faeeb9cbeda39ce0889bb08c0dc469428fb01717160816cbc9e711dc39f6

SHA512
add8070265f1c1421d0948c7368449e4c4714f482bed8d088fb3b27654b78205bdc9ee30dc05d86697ca9fb7d8ad4f3191db87f920c3fcf30e77af4b21d8bab2

Download Submit
memory/220-154-0x0000000000940000-0x000000000095A000-memory.dmp

Filesize
104KB

Download
memory/3284-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3284-159-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3284-151-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3284-148-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4540-147-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/4540-155-0x00000000063A0000-0x00000000063D2000-memory.dmp

Filesize
200KB

Download
memory/4540-141-0x0000000005030000-0x0000000005658000-memory.dmp

Filesize
6.2MB

Download
memory/4540-139-0x00000000024C0000-0x00000000024F6000-memory.dmp

Filesize
216KB

Download
memory/4540-145-0x0000000004EF0000-0x0000000004F56000-memory.dmp

Filesize
408KB

Download
memory/4540-165-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/4540-164-0x00000000073B0000-0x00000000073CA000-memory.dmp

Filesize
104KB

Download
memory/4540-152-0x0000000005E80000-0x0000000005E9E000-memory.dmp

Filesize
120KB

Download
memory/4540-163-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/4540-162-0x0000000007420000-0x00000000074B6000-memory.dmp

Filesize
600KB

Download
memory/4540-143-0x0000000004D40000-0x0000000004D62000-memory.dmp

Filesize
136KB

Download
memory/4540-156-0x0000000073830000-0x000000007387C000-memory.dmp

Filesize
304KB

Download
memory/4540-157-0x0000000006380000-0x000000000639E000-memory.dmp

Filesize
120KB

Download
memory/4540-158-0x0000000007790000-0x0000000007E0A000-memory.dmp

Filesize
6.5MB

Download
memory/4540-161-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

Filesize
40KB

Download
memory/4540-160-0x0000000007110000-0x000000000712A000-memory.dmp

Filesize
104KB

Download
memory/4648-133-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/4648-134-0x0000000005930000-0x00000000059C2000-memory.dmp

Filesize
584KB

Download
memory/4648-135-0x0000000005AD0000-0x0000000005ADA000-memory.dmp

Filesize
40KB

Download
memory/4648-136-0x0000000009650000-0x00000000096EC000-memory.dmp

Filesize
624KB

Download
memory/4648-132-0x0000000000EF0000-0x0000000000F8A000-memory.dmp

Filesize
616KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads