a310logger | 680e039b119a2f0e6db7bd0adab2804fd9ad16322407cabd9309ca883363fb45

General

Target

ziraat bankasi swift mesaji.exe
Size

603KB
MD5

67fa45924a8d2a4b751ef46d5c636d63
SHA1

7baed7557107d377431e868edbce12c4df8262d6
SHA256

3049f3aa728a2c0f15dea40eb8d46c44ab1618cb8f2a1bb739cc6760aea303f5
SHA512

959d090f33848fd84d9fab32cc40b81d0a12b16c3c11ef41cf08dd6029340520d81b010f82e1177d13ff43669908d4ce832831fedfc04457c47de7804addeef4

Score

10^/10

a310logger blustealer collection spyware stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.yekamuhendislik.com
Port:
587
Username:
muhasebe@yekamuhendislik.com
Password:
MuhasebE123*

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

A310logger Executable 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe	a310logger
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe	a310logger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe	a310logger

Executes dropped EXE 1 IoCs

Processes:

Fox.exe

pid process

1400 Fox.exe
Loads dropped DLL 1 IoCs

Processes:

ziraat bankasi swift mesaji.exe

pid process

1096 ziraat bankasi swift mesaji.exe
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1400	Fox.exe

pid	process
1096	ziraat bankasi swift mesaji.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Fox.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ziraat bankasi swift mesaji.exe

description pid process target process

PID 1408 set thread context of 1096 1408 ziraat bankasi swift mesaji.exe ziraat bankasi swift mesaji.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1388 schtasks.exe

description	pid	process	target process
PID 1408 set thread context of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe

pid	process
1388	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

ziraat bankasi swift mesaji.exepowershell.exe

pid	process
1408	ziraat bankasi swift mesaji.exe
1408	ziraat bankasi swift mesaji.exe
1408	ziraat bankasi swift mesaji.exe
1408	ziraat bankasi swift mesaji.exe
1780	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ziraat bankasi swift mesaji.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1408 ziraat bankasi swift mesaji.exe
Token: SeDebugPrivilege 1780 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ziraat bankasi swift mesaji.exe

pid process

1096 ziraat bankasi swift mesaji.exe

description	pid	process
Token: SeDebugPrivilege	1408	ziraat bankasi swift mesaji.exe
Token: SeDebugPrivilege	1780	powershell.exe

pid	process
1096	ziraat bankasi swift mesaji.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ziraat bankasi swift mesaji.exeziraat bankasi swift mesaji.exe

description	pid	process	target process
PID 1408 wrote to memory of 1780	1408	ziraat bankasi swift mesaji.exe	powershell.exe
PID 1408 wrote to memory of 1780	1408	ziraat bankasi swift mesaji.exe	powershell.exe
PID 1408 wrote to memory of 1780	1408	ziraat bankasi swift mesaji.exe	powershell.exe
PID 1408 wrote to memory of 1780	1408	ziraat bankasi swift mesaji.exe	powershell.exe
PID 1408 wrote to memory of 1388	1408	ziraat bankasi swift mesaji.exe	schtasks.exe
PID 1408 wrote to memory of 1388	1408	ziraat bankasi swift mesaji.exe	schtasks.exe
PID 1408 wrote to memory of 1388	1408	ziraat bankasi swift mesaji.exe	schtasks.exe
PID 1408 wrote to memory of 1388	1408	ziraat bankasi swift mesaji.exe	schtasks.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1408 wrote to memory of 1096	1408	ziraat bankasi swift mesaji.exe	ziraat bankasi swift mesaji.exe
PID 1096 wrote to memory of 1400	1096	ziraat bankasi swift mesaji.exe	Fox.exe
PID 1096 wrote to memory of 1400	1096	ziraat bankasi swift mesaji.exe	Fox.exe
PID 1096 wrote to memory of 1400	1096	ziraat bankasi swift mesaji.exe	Fox.exe
PID 1096 wrote to memory of 1400	1096	ziraat bankasi swift mesaji.exe	Fox.exe

outlook_office_path 1 IoCs

Processes:

Fox.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

outlook_win_path 1 IoCs

Processes:

Fox.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fox.exe

C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tFqrzHcqoZfacZ.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1780

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFqrzHcqoZfacZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp81FC.tmp"
2⤵
- Creates scheduled task(s)
PID:1388

C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\ziraat bankasi swift mesaji.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:1400

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp81FC.tmp
MD5
c710112790b634a29689a35c8ef339dc

SHA1
5480b1e79d69993b20aa8bbae224efa9741ef21b

SHA256
f54962d6fb3ab3b2dd568f36af18f5f73938e43cf341eacc5809fd86eb2628f8

SHA512
a64003ebd9d1188a44737c2c46740d39e5b28e0d9a44d80f91e2cd8e213f8ec45c4faeb632279bdaa6f18b5931588f6a4a68833205c8e197a9988e81cf9f2858

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
MD5
91b41651e6e9ab352805c6d35a297d08

SHA1
11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

SHA256
0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

SHA512
b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
MD5
91b41651e6e9ab352805c6d35a297d08

SHA1
11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

SHA256
0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

SHA512
b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
MD5
91b41651e6e9ab352805c6d35a297d08

SHA1
11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

SHA256
0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

SHA512
b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

Download Submit
memory/1096-74-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1096-71-0x0000000000080000-0x0000000000086000-memory.dmp

Filesize
24KB

Download
memory/1096-72-0x0000000000080000-0x000000000008A000-memory.dmp

Filesize
40KB

Download
memory/1096-69-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1096-65-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1096-66-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1096-67-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1096-70-0x0000000000401B9C-mapping.dmp

Download
memory/1388-62-0x0000000000000000-mapping.dmp

Download
memory/1400-77-0x0000000000000000-mapping.dmp

Download
memory/1400-80-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download
memory/1400-82-0x000000001AD80000-0x000000001AD82000-memory.dmp

Filesize
8KB

Download
memory/1408-60-0x0000000007D80000-0x0000000007DF3000-memory.dmp

Filesize
460KB

Download
memory/1408-55-0x0000000001080000-0x0000000001081000-memory.dmp

Filesize
4KB

Download
memory/1408-59-0x0000000000510000-0x0000000000517000-memory.dmp

Filesize
28KB

Download
memory/1408-58-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/1408-57-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1780-61-0x0000000000000000-mapping.dmp

Download
memory/1780-75-0x0000000002420000-0x000000000306A000-memory.dmp

Filesize
12.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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