blustealer | fc3325548497708c387234e5c4e1457c3a46bc7061e272c1c35c4668d42a776f

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1160 set thread context of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33

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
2472	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
2372	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
Token: SeDebugPrivilege	2372	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2516	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2372	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	30
PID 1160 wrote to memory of 2372	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	30
PID 1160 wrote to memory of 2372	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	30
PID 1160 wrote to memory of 2372	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	30
PID 1160 wrote to memory of 2472	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	32
PID 1160 wrote to memory of 2472	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	32
PID 1160 wrote to memory of 2472	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	32
PID 1160 wrote to memory of 2472	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	32
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33
PID 1160 wrote to memory of 2516	1160	efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1160
- 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:2372
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LYEvUURDj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE15A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2472
- C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\efc2c0eccf8fd4b292db073994c9e6a6_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1160-22-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/1160-0-0x0000000001230000-0x0000000001336000-memory.dmp

Filesize
1.0MB

Download
memory/1160-2-0x00000000007A0000-0x00000000007E0000-memory.dmp

Filesize
256KB

Download
memory/1160-3-0x00000000007E0000-0x00000000007FC000-memory.dmp

Filesize
112KB

Download
memory/1160-4-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/1160-5-0x00000000007A0000-0x00000000007E0000-memory.dmp

Filesize
256KB

Download
memory/1160-6-0x0000000005800000-0x00000000058B4000-memory.dmp

Filesize
720KB

Download
memory/1160-7-0x0000000005FE0000-0x000000000606C000-memory.dmp

Filesize
560KB

Download
memory/1160-1-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/2372-27-0x000000006E690000-0x000000006EC3B000-memory.dmp

Filesize
5.7MB

Download
memory/2372-29-0x0000000002C10000-0x0000000002C50000-memory.dmp

Filesize
256KB

Download
memory/2372-28-0x000000006E690000-0x000000006EC3B000-memory.dmp

Filesize
5.7MB

Download
memory/2372-31-0x0000000002C10000-0x0000000002C50000-memory.dmp

Filesize
256KB

Download
memory/2372-32-0x000000006E690000-0x000000006EC3B000-memory.dmp

Filesize
5.7MB

Download
memory/2516-15-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2516-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2516-19-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2516-21-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2516-14-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2516-13-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2516-30-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads