blustealer | 2db92360a5d32dd3761be21606b76a93a201e8f984198ae8f3fd3fee12759b39

General

Target

fatura.exe
Size

723KB
MD5

cc54952e86597e81dc31e6e726b41fbd
SHA1

1f0020ef077096b0e01f38aec4c2902a2dfe7d9d
SHA256

2db92360a5d32dd3761be21606b76a93a201e8f984198ae8f3fd3fee12759b39
SHA512

57d310b056f06cefa46c7ae18998958dcbe2ab96aa3b03f11f2a2cc0dc3e0c5c32eb81ea7ccd149f2d482a11ccd0edc2c1982d785fa96dd597540e222a56f6d0
SSDEEP

12288:siCQy/iT/0e5hz9bH2iNKT/0e5hz9bdihUj8fnLFg4vOq7hyTR6lxFhrxKo7/k6R:JCgT/0shbH1IT/0shbdWUj8fh2q70Nuk

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/4184-160-0x00000000009B0000-0x00000000009CA000-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-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	fatura.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\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
61	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3392 set thread context of 4668	3392	fatura.exe	103
PID 4668 set thread context of 4184	4668	fatura.exe	104

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
3304	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3392	fatura.exe
3392	fatura.exe
2116	powershell.exe
2116	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3392	fatura.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	4184	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4668	fatura.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3392 wrote to memory of 2116	3392	fatura.exe	98
PID 3392 wrote to memory of 2116	3392	fatura.exe	98
PID 3392 wrote to memory of 2116	3392	fatura.exe	98
PID 3392 wrote to memory of 3304	3392	fatura.exe	100
PID 3392 wrote to memory of 3304	3392	fatura.exe	100
PID 3392 wrote to memory of 3304	3392	fatura.exe	100
PID 3392 wrote to memory of 3012	3392	fatura.exe	102
PID 3392 wrote to memory of 3012	3392	fatura.exe	102
PID 3392 wrote to memory of 3012	3392	fatura.exe	102
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 3392 wrote to memory of 4668	3392	fatura.exe	103
PID 4668 wrote to memory of 4184	4668	fatura.exe	104
PID 4668 wrote to memory of 4184	4668	fatura.exe	104
PID 4668 wrote to memory of 4184	4668	fatura.exe	104
PID 4668 wrote to memory of 4184	4668	fatura.exe	104
PID 4668 wrote to memory of 4184	4668	fatura.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\fatura.exe
"C:\Users\Admin\AppData\Local\Temp\fatura.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SxEBAmjTov.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2116
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SxEBAmjTov" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8194.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3304
- C:\Users\Admin\AppData\Local\Temp\fatura.exe
  "C:\Users\Admin\AppData\Local\Temp\fatura.exe"
  2⤵
  PID:3012
- C:\Users\Admin\AppData\Local\Temp\fatura.exe
  "C:\Users\Admin\AppData\Local\Temp\fatura.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4668
- - 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:4184

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8194.tmp

Filesize
1KB

MD5
d416e21d590b0fd63316833da6759243

SHA1
0d166c6625b0d94920de69cdebc563faa9f262af

SHA256
458fb795cee17adc7bd918ccbfa324fe3c188bbdef576f99924f2b9b459d799d

SHA512
fdc3da062f61025614c372487d3523c2db899a927dbe5ef64cb46e7fe3ebe3d933b7aacfe98f814963c6b28a8641aa613a9bf4fb01936e893afd6057e8cfe9e8

Download Submit
memory/2116-151-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/2116-156-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/2116-150-0x0000000004F40000-0x0000000004FA6000-memory.dmp

Filesize
408KB

Download
memory/2116-161-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

Filesize
40KB

Download
memory/2116-162-0x00000000071D0000-0x0000000007266000-memory.dmp

Filesize
600KB

Download
memory/2116-139-0x0000000000A80000-0x0000000000AB6000-memory.dmp

Filesize
216KB

Download
memory/2116-157-0x00000000075A0000-0x0000000007C1A000-memory.dmp

Filesize
6.5MB

Download
memory/2116-141-0x0000000005000000-0x0000000005628000-memory.dmp

Filesize
6.2MB

Download
memory/2116-153-0x0000000005C50000-0x0000000005C6E000-memory.dmp

Filesize
120KB

Download
memory/2116-165-0x0000000007270000-0x0000000007278000-memory.dmp

Filesize
32KB

Download
memory/2116-159-0x0000000006F50000-0x0000000006F6A000-memory.dmp

Filesize
104KB

Download
memory/2116-164-0x0000000007290000-0x00000000072AA000-memory.dmp

Filesize
104KB

Download
memory/2116-147-0x0000000004CA0000-0x0000000004CC2000-memory.dmp

Filesize
136KB

Download
memory/2116-155-0x0000000070120000-0x000000007016C000-memory.dmp

Filesize
304KB

Download
memory/2116-163-0x0000000007180000-0x000000000718E000-memory.dmp

Filesize
56KB

Download
memory/2116-154-0x0000000006C00000-0x0000000006C32000-memory.dmp

Filesize
200KB

Download
memory/3392-134-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/3392-135-0x0000000005270000-0x000000000527A000-memory.dmp

Filesize
40KB

Download
memory/3392-132-0x0000000000650000-0x000000000070C000-memory.dmp

Filesize
752KB

Download
memory/3392-133-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/3392-136-0x0000000008B30000-0x0000000008BCC000-memory.dmp

Filesize
624KB

Download
memory/4184-160-0x00000000009B0000-0x00000000009CA000-memory.dmp

Filesize
104KB

Download
memory/4668-152-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4668-166-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4668-146-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4668-144-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads