blustealer | 90be1936790b5dbe16e74ea0bdacedf3d7311c7427a3151769335bee789b9916

General

Target

SWIFT_IMG_20220901_00078666587900.pdf.exe
Size

23KB
MD5

4e85dbb7ee02db82e5bc4e7e80e6a651
SHA1

a591f39a808a804aa642239599fd995f3a283419
SHA256

90be1936790b5dbe16e74ea0bdacedf3d7311c7427a3151769335bee789b9916
SHA512

72254243cf9014df00a21142fe2c734ca8caff4603898fe4363dc726ad06b027fc3f70539613b7d35f68bfe1085b275c226cb4bdfdc10eba6404d5f0e80b4ad0
SSDEEP

384:cn5wkUFE7LRM4eunOiU526JSINc+p8YlLHT5PoKVRUl:cn5wpE7LR4uOd2A1c+p8e8l

Score

10^/10

blustealer stormkitty collection persistence stealer

Malware Config

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/1052-153-0x0000000000420000-0x000000000043A000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	SWIFT_IMG_20220901_00078666587900.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Halreri = "\"C:\\Users\\Admin\\AppData\\Roaming\\Vozrkxioa\\Halreri.exe\""	SWIFT_IMG_20220901_00078666587900.pdf.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
43	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1816 set thread context of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 3060 set thread context of 1052	3060	SWIFT_IMG_20220901_00078666587900.pdf.exe	96

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 4 IoCs

pid	Process
1824	powershell.exe
1824	powershell.exe
1816	SWIFT_IMG_20220901_00078666587900.pdf.exe
1816	SWIFT_IMG_20220901_00078666587900.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe
Token: SeDebugPrivilege	1824	powershell.exe
Token: SeDebugPrivilege	1052	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3060	SWIFT_IMG_20220901_00078666587900.pdf.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 1824	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	89
PID 1816 wrote to memory of 1824	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	89
PID 1816 wrote to memory of 1824	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	89
PID 1816 wrote to memory of 5024	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	93
PID 1816 wrote to memory of 5024	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	93
PID 1816 wrote to memory of 5024	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	93
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 1816 wrote to memory of 3060	1816	SWIFT_IMG_20220901_00078666587900.pdf.exe	94
PID 3060 wrote to memory of 1052	3060	SWIFT_IMG_20220901_00078666587900.pdf.exe	96
PID 3060 wrote to memory of 1052	3060	SWIFT_IMG_20220901_00078666587900.pdf.exe	96
PID 3060 wrote to memory of 1052	3060	SWIFT_IMG_20220901_00078666587900.pdf.exe	96
PID 3060 wrote to memory of 1052	3060	SWIFT_IMG_20220901_00078666587900.pdf.exe	96
PID 3060 wrote to memory of 1052	3060	SWIFT_IMG_20220901_00078666587900.pdf.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT_IMG_20220901_00078666587900.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT_IMG_20220901_00078666587900.pdf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1824
- C:\Users\Admin\AppData\Local\Temp\SWIFT_IMG_20220901_00078666587900.pdf.exe
  C:\Users\Admin\AppData\Local\Temp\SWIFT_IMG_20220901_00078666587900.pdf.exe
  2⤵
  PID:5024
- C:\Users\Admin\AppData\Local\Temp\SWIFT_IMG_20220901_00078666587900.pdf.exe
  C:\Users\Admin\AppData\Local\Temp\SWIFT_IMG_20220901_00078666587900.pdf.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3060
- - 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:1052

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

Replay Monitor

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Downloads

memory/1052-154-0x0000000005110000-0x00000000051AC000-memory.dmp

Filesize
624KB

Download
memory/1052-153-0x0000000000420000-0x000000000043A000-memory.dmp

Filesize
104KB

Download
memory/1816-132-0x00000000007E0000-0x00000000007EC000-memory.dmp

Filesize
48KB

Download
memory/1816-133-0x0000000006440000-0x00000000069E4000-memory.dmp

Filesize
5.6MB

Download
memory/1816-134-0x0000000005F90000-0x0000000006022000-memory.dmp

Filesize
584KB

Download
memory/1816-135-0x0000000005F30000-0x0000000005F52000-memory.dmp

Filesize
136KB

Download
memory/1824-142-0x0000000007300000-0x000000000797A000-memory.dmp

Filesize
6.5MB

Download
memory/1824-138-0x0000000004DA0000-0x00000000053C8000-memory.dmp

Filesize
6.2MB

Download
memory/1824-141-0x0000000005C00000-0x0000000005C1E000-memory.dmp

Filesize
120KB

Download
memory/1824-139-0x0000000004CD0000-0x0000000004D36000-memory.dmp

Filesize
408KB

Download
memory/1824-143-0x00000000060F0000-0x000000000610A000-memory.dmp

Filesize
104KB

Download
memory/1824-137-0x0000000002610000-0x0000000002646000-memory.dmp

Filesize
216KB

Download
memory/1824-140-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/3060-148-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3060-151-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3060-146-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3060-155-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads