blustealer | 3c0266bea1c26e7a467048c30916c7a762ec87286a827eacc71c3e474f6d1f78

General

Target

hesaphareketi-01.exe
Size

94KB
MD5

d20dcb3c84f2aa9f4a139a223129dab1
SHA1

0cd4a0444f83427086c9295e9074fb3827178ba0
SHA256

3c0266bea1c26e7a467048c30916c7a762ec87286a827eacc71c3e474f6d1f78
SHA512

adeb6dd95b4dd430334b1422f9f38e0aecd0dc6a20bea2abab2ed27b68fbc3b22cbfdc26d977d465e307547aa766db6eb9bd88c930977e411fe4bf253d9703ac
SSDEEP

192:tDtGA0yeq533vXlPUN/4C/Cwuq7c7t9JdWqdjbGo1NeUyLy10EYVZpKkwSYWbecG:iM53NUI7WYLyLy10EyR9ZP4L2x+ZnP

Score

10^/10

blustealer stormkitty collection persistence stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5583812995:AAFKzjSLC2-pDvMQ8X47-80XjrRiWrDtxA/sendMessage?chat_id=5434600361

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/208-150-0x0000000000760000-0x000000000077A000-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\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
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

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\Akbtw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Scxstpxmm\\Akbtw.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
18	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 1052	2264	hesaphareketi-01.exe	86
PID 1052 set thread context of 208	1052	hesaphareketi-01.exe	87

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
2400	powershell.exe
2400	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	hesaphareketi-01.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	208	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1052	hesaphareketi-01.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2400	2264	hesaphareketi-01.exe	81
PID 2264 wrote to memory of 2400	2264	hesaphareketi-01.exe	81
PID 2264 wrote to memory of 2400	2264	hesaphareketi-01.exe	81
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 2264 wrote to memory of 1052	2264	hesaphareketi-01.exe	86
PID 1052 wrote to memory of 208	1052	hesaphareketi-01.exe	87
PID 1052 wrote to memory of 208	1052	hesaphareketi-01.exe	87
PID 1052 wrote to memory of 208	1052	hesaphareketi-01.exe	87
PID 1052 wrote to memory of 208	1052	hesaphareketi-01.exe	87
PID 1052 wrote to memory of 208	1052	hesaphareketi-01.exe	87

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:2264
- 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:2400
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1052
- - 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:208

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/208-151-0x0000000005830000-0x00000000058CC000-memory.dmp

Filesize
624KB

Download
memory/208-150-0x0000000000760000-0x000000000077A000-memory.dmp

Filesize
104KB

Download
memory/1052-152-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1052-148-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1052-145-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1052-143-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2264-133-0x00000000058E0000-0x0000000005902000-memory.dmp

Filesize
136KB

Download
memory/2264-132-0x00000000003A0000-0x00000000003BE000-memory.dmp

Filesize
120KB

Download
memory/2400-136-0x0000000004CE0000-0x0000000005308000-memory.dmp

Filesize
6.2MB

Download
memory/2400-141-0x0000000006100000-0x000000000611A000-memory.dmp

Filesize
104KB

Download
memory/2400-140-0x0000000007260000-0x00000000078DA000-memory.dmp

Filesize
6.5MB

Download
memory/2400-139-0x0000000005C00000-0x0000000005C1E000-memory.dmp

Filesize
120KB

Download
memory/2400-138-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/2400-137-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/2400-135-0x0000000004670000-0x00000000046A6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads