blustealer | af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f

General

Target

af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
Size

714KB
MD5

78f6fb28169a919b41474529ec8a59bc
SHA1

f34f60fe15ef696a0e666d9a32157e695aa334a3
SHA256

af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f
SHA512

333aef1e84ccbdc32c4e1016663516c2932be0e5e7f8d4299a5111236f4f8f5ff942686088531b45d0942c0136a71538d39932063844d60ee075a9411080f7d5
SSDEEP

12288:rKa+70n6pT/3Eb47XK6hTBr1pUviaB5jM24QE/+Fz:f+7ZTvEs2ql5AXHjz4Uz

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5732817033:AAFBYIIZmJ7NuvVwD7WRcbV9qwcOqT7RpwM/sendMessage?chat_id=1638137774

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/1464-78-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1464-79-0x00000000000E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1464-81-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1464-83-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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 364 set thread context of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 1112 set thread context of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31

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
1256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
944	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
Token: SeDebugPrivilege	944	powershell.exe
Token: SeDebugPrivilege	1464	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 944	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	26
PID 364 wrote to memory of 944	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	26
PID 364 wrote to memory of 944	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	26
PID 364 wrote to memory of 944	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	26
PID 364 wrote to memory of 1256	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	28
PID 364 wrote to memory of 1256	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	28
PID 364 wrote to memory of 1256	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	28
PID 364 wrote to memory of 1256	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	28
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 364 wrote to memory of 1112	364	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	30
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31
PID 1112 wrote to memory of 1464	1112	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
"C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:364
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rxfPGfRcCOLI.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:944
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rxfPGfRcCOLI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5CF0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1256
- C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
  "C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1112
- - 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:1464

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\tmp5CF0.tmp

Filesize
1KB

MD5
96412e25fcfc8c74798e036b4ff491ee

SHA1
f0f9f75c45fe7548893acd051423f271f9e6561f

SHA256
d79fe37abe0478c9dd7a99efd8c911338559b27656727eb313d4b4204aecf756

SHA512
e95f1d210560c7dc52d6b10972f25bcd3fa428f9a5aa19aa8ba0ed4934abe3edf456c06fc94fba89b14b41b373490e76cac04cb28710e3e62d3f10b936312090

Download Submit
memory/364-63-0x0000000004CB0000-0x0000000004CDA000-memory.dmp

Filesize
168KB

Download
memory/364-55-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/364-56-0x0000000000530000-0x0000000000544000-memory.dmp

Filesize
80KB

Download
memory/364-58-0x00000000056A0000-0x0000000005720000-memory.dmp

Filesize
512KB

Download
memory/364-57-0x0000000000540000-0x000000000054C000-memory.dmp

Filesize
48KB

Download
memory/364-54-0x0000000000EE0000-0x0000000000F9A000-memory.dmp

Filesize
744KB

Download
memory/944-87-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/944-86-0x00000000748A0000-0x0000000074E4B000-memory.dmp

Filesize
5.7MB

Download
memory/1112-67-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1112-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1112-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1112-84-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1112-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1112-72-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1112-88-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1464-83-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1464-81-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1464-78-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1464-76-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads