blustealer | 2c3ce21aed9ecd191dfefd59e3ea35ec6ec665cbe79f35e628b6e720d2233662

General

Target

hesaphareketi-01.exe
Size

25KB
MD5

e37b33e5a3135cf368bfc434ab681600
SHA1

d0176ba72e96a3ed239965d8ac63e6dba8280a72
SHA256

2c3ce21aed9ecd191dfefd59e3ea35ec6ec665cbe79f35e628b6e720d2233662
SHA512

1c906cd557c4cf62a1c9563fdad81392b4de773b866f376c42da6266b7de0fd3487d47a7346cfb49b41bf827a6d84fa0ed1e40c46c1404fcbf56a48c0f64e873
SSDEEP

384:ovncQtfcSL+x2JQFkLYLvLRHUQUngAFoTT:ozlcoMjxkrov

Score

10^/10

blustealer stormkitty collection persistence 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 1 IoCs

resource	yara_rule
behavioral2/memory/3608-156-0x0000000000150000-0x000000000016A000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	hesaphareketi-01.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qsjig = "\"C:\\Users\\Admin\\AppData\\Roaming\\Acxdr\\Qsjig.exe\""	hesaphareketi-01.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
39	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4104 set thread context of 4224	4104	hesaphareketi-01.exe	90
PID 4224 set thread context of 3608	4224	hesaphareketi-01.exe	91

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
1252	powershell.exe
1252	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4224	hesaphareketi-01.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4104	hesaphareketi-01.exe
Token: SeDebugPrivilege	1252	powershell.exe
Token: SeDebugPrivilege	3608	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4224	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 1252	4104	hesaphareketi-01.exe	82
PID 4104 wrote to memory of 1252	4104	hesaphareketi-01.exe	82
PID 4104 wrote to memory of 1252	4104	hesaphareketi-01.exe	82
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4104 wrote to memory of 4224	4104	hesaphareketi-01.exe	90
PID 4224 wrote to memory of 3608	4224	hesaphareketi-01.exe	91
PID 4224 wrote to memory of 3608	4224	hesaphareketi-01.exe	91
PID 4224 wrote to memory of 3608	4224	hesaphareketi-01.exe	91
PID 4224 wrote to memory of 3608	4224	hesaphareketi-01.exe	91
PID 4224 wrote to memory of 3608	4224	hesaphareketi-01.exe	91

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\hesaphareketi-01.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1252
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4224
- - 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:3608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

memory/1252-144-0x0000000005E20000-0x0000000005E86000-memory.dmp

Filesize
408KB

Download
memory/1252-147-0x0000000006930000-0x000000000694A000-memory.dmp

Filesize
104KB

Download
memory/1252-146-0x0000000007AB0000-0x000000000812A000-memory.dmp

Filesize
6.5MB

Download
memory/1252-145-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/1252-141-0x0000000002B60000-0x0000000002B96000-memory.dmp

Filesize
216KB

Download
memory/1252-142-0x0000000005530000-0x0000000005B58000-memory.dmp

Filesize
6.2MB

Download
memory/1252-143-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/3608-158-0x0000000000AE0000-0x0000000000B7C000-memory.dmp

Filesize
624KB

Download
memory/3608-156-0x0000000000150000-0x000000000016A000-memory.dmp

Filesize
104KB

Download
memory/4104-138-0x0000000008350000-0x0000000008402000-memory.dmp

Filesize
712KB

Download
memory/4104-139-0x0000000008630000-0x0000000008652000-memory.dmp

Filesize
136KB

Download
memory/4104-133-0x0000000000160000-0x000000000016C000-memory.dmp

Filesize
48KB

Download
memory/4104-137-0x0000000007FA0000-0x0000000007FF0000-memory.dmp

Filesize
320KB

Download
memory/4104-136-0x0000000004B10000-0x0000000004B1A000-memory.dmp

Filesize
40KB

Download
memory/4104-135-0x0000000004B80000-0x0000000004C12000-memory.dmp

Filesize
584KB

Download
memory/4104-134-0x0000000005130000-0x00000000056D4000-memory.dmp

Filesize
5.6MB

Download
memory/4224-149-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4224-151-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4224-154-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4224-157-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads