agenttesla | bc2c9a0032b4118b2d862043c73ebbc2627c31f8fb8afb7bd28b8a27be225800

General

Target

Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Size

581KB
MD5

4c92dfdb8014a72e00b246324b7eab7e
SHA1

545b35416b76f8c2141238a34807d50fb4135037
SHA256

bc2c9a0032b4118b2d862043c73ebbc2627c31f8fb8afb7bd28b8a27be225800
SHA512

565bbd067ba5558e80d23b9815e375e505ecba95870762b3234062d989c94c1be07dd73a51c502fbaec77f1e05badc1402d14bd76e553540d3fe5349a6ffefac
SSDEEP

12288:UuRSSGReozVI8t0gPOkqdYGkUWeDP1n5VNeVSwAgfSL5:bozV1t0TkRXenOK

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6277254729:AAH9hHYZNSDZac0nNvgmchkZF8WVRKU5dJ0/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1248 set thread context of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32

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

T1053

pid	Process
976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
772	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Token: SeDebugPrivilege	812	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Token: SeDebugPrivilege	772	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 772	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	28
PID 1248 wrote to memory of 772	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	28
PID 1248 wrote to memory of 772	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	28
PID 1248 wrote to memory of 772	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	28
PID 1248 wrote to memory of 976	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	30
PID 1248 wrote to memory of 976	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	30
PID 1248 wrote to memory of 976	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	30
PID 1248 wrote to memory of 976	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	30
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32
PID 1248 wrote to memory of 812	1248	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230501_085144_348375,PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230501_085144_348375,PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SaaqscsRqypzCi.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:772
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SaaqscsRqypzCi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5F6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:976
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230501_085144_348375,PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230501_085144_348375,PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:812

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD5F6.tmp

Filesize
1KB

MD5
61b0a4aba23f5fcccc098996dd272b19

SHA1
fb4002c2b004d1a94dbfa97b7bf4bb582b45335b

SHA256
2a01f17e3cb9ee14a41682c4ea1e5fec9547b0826c8ba5f15a9cf2c40c99a670

SHA512
d9553d83d521f1eb8ccb8e81b2d0506d19bcea1ed9cf0ddb9eb1ee7e8de60e179318596dc674ea911d252bf9b34934fee194d1c16eebe85a8d94ff3fa8701d0f

Download Submit
memory/772-79-0x0000000002680000-0x00000000026C0000-memory.dmp

Filesize
256KB

Download
memory/812-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/812-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/812-80-0x0000000004EC0000-0x0000000004F00000-memory.dmp

Filesize
256KB

Download
memory/812-78-0x0000000004EC0000-0x0000000004F00000-memory.dmp

Filesize
256KB

Download
memory/812-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/812-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/812-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/812-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/812-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/812-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1248-54-0x0000000000E60000-0x0000000000EF8000-memory.dmp

Filesize
608KB

Download
memory/1248-65-0x0000000004810000-0x0000000004842000-memory.dmp

Filesize
200KB

Download
memory/1248-56-0x0000000000320000-0x0000000000330000-memory.dmp

Filesize
64KB

Download
memory/1248-57-0x0000000000530000-0x0000000000570000-memory.dmp

Filesize
256KB

Download
memory/1248-59-0x00000000056E0000-0x000000000574A000-memory.dmp

Filesize
424KB

Download
memory/1248-55-0x0000000000530000-0x0000000000570000-memory.dmp

Filesize
256KB

Download
memory/1248-58-0x00000000004A0000-0x00000000004AC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads