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

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	Halkbank_Ekstre_20230501_085144_348375,PDF.exe

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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230501_085144_348375,PDF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5076 set thread context of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94

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
4200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
4956	powershell.exe
4956	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe
Token: SeDebugPrivilege	4956	powershell.exe
Token: SeDebugPrivilege	1032	Halkbank_Ekstre_20230501_085144_348375,PDF.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4956	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	90
PID 5076 wrote to memory of 4956	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	90
PID 5076 wrote to memory of 4956	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	90
PID 5076 wrote to memory of 4200	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	92
PID 5076 wrote to memory of 4200	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	92
PID 5076 wrote to memory of 4200	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	92
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94
PID 5076 wrote to memory of 1032	5076	Halkbank_Ekstre_20230501_085144_348375,PDF.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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-1-5-21-144354903-2550862337-1367551827-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076
- 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:4956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SaaqscsRqypzCi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B4D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4200
- 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:1032

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

Query Registry

1

T1012

System Information Discovery

2

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\__PSScriptPolicyTest_whr2ex3b.qxl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6B4D.tmp

Filesize
1KB

MD5
0a7319246f99a931fefd0e88a3434762

SHA1
4bbace82137c14494edda51b051beead0835b38b

SHA256
e9f9542780ad2a5bc9b09e48720569cbba6df6b34f3d9a6709d8d5996298646a

SHA512
97dbc08f485ad1e4cfdacd9f3baeb5ac372207e503779e031159863279b583ac2fc77685c3f31921b2849f8a9c4a0a235e82c634f262716be073d929af7a7e96

Download Submit
memory/1032-152-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1032-193-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/1032-166-0x0000000005870000-0x0000000005880000-memory.dmp

Filesize
64KB

Download
memory/1032-182-0x0000000006DF0000-0x0000000006FB2000-memory.dmp

Filesize
1.8MB

Download
memory/1032-181-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

Filesize
320KB

Download
memory/1032-154-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download
memory/4956-184-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

Filesize
104KB

Download
memory/4956-170-0x0000000070400000-0x000000007044C000-memory.dmp

Filesize
304KB

Download
memory/4956-150-0x0000000000F20000-0x0000000000F30000-memory.dmp

Filesize
64KB

Download
memory/4956-151-0x0000000004D30000-0x0000000005358000-memory.dmp

Filesize
6.2MB

Download
memory/4956-167-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

Filesize
120KB

Download
memory/4956-155-0x0000000004BE0000-0x0000000004C02000-memory.dmp

Filesize
136KB

Download
memory/4956-168-0x0000000000F20000-0x0000000000F30000-memory.dmp

Filesize
64KB

Download
memory/4956-156-0x0000000004C80000-0x0000000004CE6000-memory.dmp

Filesize
408KB

Download
memory/4956-190-0x00000000070C0000-0x00000000070C8000-memory.dmp

Filesize
32KB

Download
memory/4956-189-0x00000000070E0000-0x00000000070FA000-memory.dmp

Filesize
104KB

Download
memory/4956-188-0x0000000006FD0000-0x0000000006FDE000-memory.dmp

Filesize
56KB

Download
memory/4956-147-0x0000000000CF0000-0x0000000000D26000-memory.dmp

Filesize
216KB

Download
memory/4956-169-0x0000000006090000-0x00000000060C2000-memory.dmp

Filesize
200KB

Download
memory/4956-149-0x0000000000F20000-0x0000000000F30000-memory.dmp

Filesize
64KB

Download
memory/4956-180-0x0000000006040000-0x000000000605E000-memory.dmp

Filesize
120KB

Download
memory/4956-187-0x0000000007020000-0x00000000070B6000-memory.dmp

Filesize
600KB

Download
memory/4956-183-0x00000000073E0000-0x0000000007A5A000-memory.dmp

Filesize
6.5MB

Download
memory/4956-186-0x000000007F740000-0x000000007F750000-memory.dmp

Filesize
64KB

Download
memory/4956-185-0x0000000006E10000-0x0000000006E1A000-memory.dmp

Filesize
40KB

Download
memory/5076-138-0x0000000004A80000-0x0000000004B12000-memory.dmp

Filesize
584KB

Download
memory/5076-141-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

Filesize
64KB

Download
memory/5076-142-0x0000000006B00000-0x0000000006B9C000-memory.dmp

Filesize
624KB

Download
memory/5076-136-0x0000000000050000-0x00000000000E8000-memory.dmp

Filesize
608KB

Download
memory/5076-140-0x0000000004B40000-0x0000000004B4A000-memory.dmp

Filesize
40KB

Download
memory/5076-137-0x00000000050F0000-0x0000000005694000-memory.dmp

Filesize
5.6MB

Download
memory/5076-139-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads