blustealer | fc3325548497708c387234e5c4e1457c3a46bc7061e272c1c35c4668d42a776f

Analysis

max time kernel
137s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
14-04-2024 23:28

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General

Target

efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
Size

1.0MB
MD5

efc2c0eccf8fd4b292db073994c9e6a6
SHA1

e2f77c5b7ba789de2c0306d4add1a8e52ec9ad66
SHA256

fc3325548497708c387234e5c4e1457c3a46bc7061e272c1c35c4668d42a776f
SHA512

00c25aaf34f88a49c3fbe40436feb39259f2cbfdf0d6f86b562f537bb609203fe8aa1b6e6300dd733b8dab8c15f7dd3efbc6ce7e5119a0560b6a6a8eca1459da
SSDEEP

12288:lBB8sZwguPWVA8FU+TrEjD+Nsb3VTu6aYlVfouDjawItin9:RwgucnEjD+mbFi6Hfnsti

Score

10^/10

blustealer stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.sevkatvinc.com.tr
Port:
587
Username:
[email protected]
Password:
Sevkat8520.,

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

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-1-5-21-3198953144-1466794930-246379610-1000\Control Panel\International\Geo\Nation	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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/Job

T1053

pid	Process
3500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
3240	powershell.exe
3240	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
Token: SeDebugPrivilege	3240	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1728	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3240	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	92
PID 2672 wrote to memory of 3240	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	92
PID 2672 wrote to memory of 3240	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	92
PID 2672 wrote to memory of 3500	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	94
PID 2672 wrote to memory of 3500	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	94
PID 2672 wrote to memory of 3500	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	94
PID 2672 wrote to memory of 3008	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	95
PID 2672 wrote to memory of 3008	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	95
PID 2672 wrote to memory of 3008	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	95
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97
PID 2672 wrote to memory of 1728	2672	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3240
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LYEvUURDj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0C8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3500
- C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe"
  2⤵
  PID:3008
- C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xeurtfak.qay.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1728-42-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1728-22-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1728-17-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2672-4-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/2672-5-0x00000000058E0000-0x00000000058EA000-memory.dmp

Filesize
40KB

Download
memory/2672-6-0x0000000006A60000-0x0000000006A7C000-memory.dmp

Filesize
112KB

Download
memory/2672-7-0x0000000006B20000-0x0000000006BBC000-memory.dmp

Filesize
624KB

Download
memory/2672-8-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2672-9-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/2672-10-0x0000000007070000-0x0000000007124000-memory.dmp

Filesize
720KB

Download
memory/2672-11-0x00000000096B0000-0x000000000973C000-memory.dmp

Filesize
560KB

Download
memory/2672-26-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2672-3-0x0000000005720000-0x00000000057B2000-memory.dmp

Filesize
584KB

Download
memory/2672-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

Filesize
5.6MB

Download
memory/2672-0-0x0000000000C70000-0x0000000000D76000-memory.dmp

Filesize
1.0MB

Download
memory/2672-1-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3240-29-0x0000000005750000-0x0000000005772000-memory.dmp

Filesize
136KB

Download
memory/3240-47-0x00000000759F0000-0x0000000075A3C000-memory.dmp

Filesize
304KB

Download
memory/3240-25-0x00000000058E0000-0x0000000005F08000-memory.dmp

Filesize
6.2MB

Download
memory/3240-20-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

Filesize
64KB

Download
memory/3240-30-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/3240-31-0x00000000060E0000-0x0000000006146000-memory.dmp

Filesize
408KB

Download
memory/3240-21-0x0000000002E20000-0x0000000002E56000-memory.dmp

Filesize
216KB

Download
memory/3240-41-0x0000000006150000-0x00000000064A4000-memory.dmp

Filesize
3.3MB

Download
memory/3240-18-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3240-43-0x0000000006750000-0x000000000676E000-memory.dmp

Filesize
120KB

Download
memory/3240-44-0x0000000006790000-0x00000000067DC000-memory.dmp

Filesize
304KB

Download
memory/3240-45-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

Filesize
64KB

Download
memory/3240-46-0x0000000007910000-0x0000000007942000-memory.dmp

Filesize
200KB

Download
memory/3240-24-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

Filesize
64KB

Download
memory/3240-57-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

Filesize
120KB

Download
memory/3240-58-0x0000000007950000-0x00000000079F3000-memory.dmp

Filesize
652KB

Download
memory/3240-59-0x0000000008090000-0x000000000870A000-memory.dmp

Filesize
6.5MB

Download
memory/3240-60-0x0000000007A50000-0x0000000007A6A000-memory.dmp

Filesize
104KB

Download
memory/3240-61-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

Filesize
40KB

Download
memory/3240-62-0x0000000007CD0000-0x0000000007D66000-memory.dmp

Filesize
600KB

Download
memory/3240-63-0x0000000007C50000-0x0000000007C61000-memory.dmp

Filesize
68KB

Download
memory/3240-64-0x0000000007C80000-0x0000000007C8E000-memory.dmp

Filesize
56KB

Download
memory/3240-65-0x0000000007C90000-0x0000000007CA4000-memory.dmp

Filesize
80KB

Download
memory/3240-66-0x0000000007D90000-0x0000000007DAA000-memory.dmp

Filesize
104KB

Download
memory/3240-67-0x0000000007D70000-0x0000000007D78000-memory.dmp

Filesize
32KB

Download
memory/3240-70-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download