blustealer | 0222699a1f6b466c2f55cd2641ee2c9d4a67f31555a5b6e3abf47753b060eb87

General

Target

SWIFT - IMG 20220905 20001 -00101.PDF.exe
Size

850KB
MD5

ba0a3767d9f4b6f473ea3b12869d6314
SHA1

dbfe70f2daa387156e5e16d64147301d1d2b6906
SHA256

0222699a1f6b466c2f55cd2641ee2c9d4a67f31555a5b6e3abf47753b060eb87
SHA512

b45915d021d30cb03a456e5854c9ce0e62056c61f0ccfd9addf5e9d8c23af49635f957a006ffef40b99bdc5c04d1234cc516e047a246491f6601c2f0ba6fea70
SSDEEP

12288:RzQZimyXqWjsZ5uEd2iNB/BsKS19gpje+cdGTCY4hZb/wokI3ZYKI+X4t0QnNITb:e0X/W5X15dScpK+D8bYWZd5m0Qna

Score

10^/10

blustealer stormkitty collection 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/5060-153-0x0000000000190000-0x00000000001AA000-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	SWIFT - IMG 20220905 20001 -00101.PDF.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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

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
65	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 1668 set thread context of 5060	1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe	101

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
3152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
5036	powershell.exe
5036	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe
Token: SeDebugPrivilege	5036	powershell.exe
Token: SeDebugPrivilege	5060	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 5036	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	95
PID 2392 wrote to memory of 5036	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	95
PID 2392 wrote to memory of 5036	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	95
PID 2392 wrote to memory of 3152	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	97
PID 2392 wrote to memory of 3152	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	97
PID 2392 wrote to memory of 3152	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	97
PID 2392 wrote to memory of 4068	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	99
PID 2392 wrote to memory of 4068	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	99
PID 2392 wrote to memory of 4068	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	99
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 2392 wrote to memory of 1668	2392	SWIFT - IMG 20220905 20001 -00101.PDF.exe	100
PID 1668 wrote to memory of 5060	1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe	101
PID 1668 wrote to memory of 5060	1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe	101
PID 1668 wrote to memory of 5060	1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe	101
PID 1668 wrote to memory of 5060	1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe	101
PID 1668 wrote to memory of 5060	1668	SWIFT - IMG 20220905 20001 -00101.PDF.exe	101

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\SWIFT - IMG 20220905 20001 -00101.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TCNnYF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TCNnYF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp611B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3152
- C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe"
  2⤵
  PID:4068
- C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1668
- - 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:5060

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp611B.tmp

Filesize
1KB

MD5
2b7d93e90468685d23edf76d6b761779

SHA1
4d78cfd0639d6d3da736ad41ad58c7c7c8a474a9

SHA256
7f9a0c1cb6e1f25230f03a91c402cd81fea5ca0aaf658562cb6e4642d191333e

SHA512
a61484f397d246519927e2375d9c1d39fc404bd38e224d4ac0563ccba647576e2b9e22baa9cb50895ade1cee834979308c9d66ac15cbfe071d6414f27ecebdbb

Download Submit
memory/1668-166-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1668-147-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1668-154-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1668-145-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2392-134-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/2392-135-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

Filesize
40KB

Download
memory/2392-136-0x0000000007680000-0x000000000771C000-memory.dmp

Filesize
624KB

Download
memory/2392-137-0x0000000001060000-0x00000000010C6000-memory.dmp

Filesize
408KB

Download
memory/2392-133-0x00000000055D0000-0x0000000005B74000-memory.dmp

Filesize
5.6MB

Download
memory/2392-132-0x0000000000550000-0x000000000062A000-memory.dmp

Filesize
872KB

Download
memory/5036-150-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/5036-158-0x0000000006BE0000-0x0000000006BFE000-memory.dmp

Filesize
120KB

Download
memory/5036-143-0x00000000057F0000-0x0000000005E18000-memory.dmp

Filesize
6.2MB

Download
memory/5036-165-0x0000000007C60000-0x0000000007C68000-memory.dmp

Filesize
32KB

Download
memory/5036-140-0x0000000002D00000-0x0000000002D36000-memory.dmp

Filesize
216KB

Download
memory/5036-155-0x0000000006630000-0x000000000664E000-memory.dmp

Filesize
120KB

Download
memory/5036-156-0x0000000006C00000-0x0000000006C32000-memory.dmp

Filesize
200KB

Download
memory/5036-157-0x0000000070650000-0x000000007069C000-memory.dmp

Filesize
304KB

Download
memory/5036-148-0x0000000005650000-0x0000000005672000-memory.dmp

Filesize
136KB

Download
memory/5036-159-0x0000000007F70000-0x00000000085EA000-memory.dmp

Filesize
6.5MB

Download
memory/5036-160-0x0000000007930000-0x000000000794A000-memory.dmp

Filesize
104KB

Download
memory/5036-161-0x00000000079A0000-0x00000000079AA000-memory.dmp

Filesize
40KB

Download
memory/5036-162-0x0000000007BB0000-0x0000000007C46000-memory.dmp

Filesize
600KB

Download
memory/5036-163-0x0000000007B70000-0x0000000007B7E000-memory.dmp

Filesize
56KB

Download
memory/5036-164-0x0000000007C70000-0x0000000007C8A000-memory.dmp

Filesize
104KB

Download
memory/5060-153-0x0000000000190000-0x00000000001AA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads