agenttesla | fc403f779b96114c4191ea8559658a1c65b18de98e775c6c16418051a03af058

Analysis

max time kernel
186s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 20:36

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General

Target

Halkbank_Ekstre_20230915_080757_783952.pdf.exe
Size

631KB
MD5

ea1876a7a9c718cd3373bd77e4f95055
SHA1

91ee0c308cad7dd132d81c17665dcea985c16f0b
SHA256

fc403f779b96114c4191ea8559658a1c65b18de98e775c6c16418051a03af058
SHA512

dc9ce866f8e6d27db554c23f1589d7e414e66d9cdec989f4b4f126c094aa90411eb059cb8f7def0ce3e9c1ea18461be6749c29160d03c59b78b69f725fa9ef35
SSDEEP

12288:tG2iNxJHtJEOXTwu1DFIe3EjFCBEWotjK3OcDB2SnttuJqoXQzC/diIp:tG1vJNWOjyGEjFCBEHtWVQSttuxXQzCF

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.epic-office.eu
Port:
587
Username:
[email protected]
Password:
Ghostarmy@@20222

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.epic-office.eu
Port:
587
Username:
[email protected]
Password:
Ghostarmy@@20222
Email To:
[email protected]

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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation	Halkbank_Ekstre_20230915_080757_783952.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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230915_080757_783952.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230915_080757_783952.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230915_080757_783952.pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plQRn125nurse = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn125nurse\\plQRn125nurse.exe"	Halkbank_Ekstre_20230915_080757_783952.pdf.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
88	api.ipify.org
89	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108

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
1668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2204	powershell.exe
4180	Halkbank_Ekstre_20230915_080757_783952.pdf.exe
4180	Halkbank_Ekstre_20230915_080757_783952.pdf.exe
2204	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	powershell.exe
Token: SeDebugPrivilege	4180	Halkbank_Ekstre_20230915_080757_783952.pdf.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 2204	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	104
PID 4268 wrote to memory of 2204	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	104
PID 4268 wrote to memory of 2204	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	104
PID 4268 wrote to memory of 1668	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	106
PID 4268 wrote to memory of 1668	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	106
PID 4268 wrote to memory of 1668	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	106
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108
PID 4268 wrote to memory of 4180	4268	Halkbank_Ekstre_20230915_080757_783952.pdf.exe	108

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230915_080757_783952.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230915_080757_783952.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230915_080757_783952.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230915_080757_783952.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eeToSuFadRv.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2204
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeToSuFadRv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD363.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1668
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230915_080757_783952.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230915_080757_783952.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Halkbank_Ekstre_20230915_080757_783952.pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0bxyskty.qny.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD363.tmp

Filesize
1KB

MD5
52ad8fd6fbf5811840eaaaec6884df9d

SHA1
6dc675e6711ed7025b873baa08e725cb86a186bd

SHA256
4728b69baf1a15a12b8c5729180afa84ee9a5cfbe543c70666c94e363ec8221d

SHA512
b0325ade1af9692e4fd069037604460d6cbfef9da87a3df6511eb01786eeeb28d3bc0e756c18fee1287c996fad20ff3767b3ff50501c076f09c2a6d38cf71b88

Download Submit
memory/2204-36-0x0000000005BD0000-0x0000000005F24000-memory.dmp

Filesize
3.3MB

Download
memory/2204-64-0x00000000067E0000-0x00000000067FE000-memory.dmp

Filesize
120KB

Download
memory/2204-76-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2204-74-0x00000000077B0000-0x00000000077B8000-memory.dmp

Filesize
32KB

Download
memory/2204-73-0x0000000007860000-0x000000000787A000-memory.dmp

Filesize
104KB

Download
memory/2204-72-0x0000000007780000-0x0000000007794000-memory.dmp

Filesize
80KB

Download
memory/2204-41-0x0000000006230000-0x000000000624E000-memory.dmp

Filesize
120KB

Download
memory/2204-71-0x0000000007770000-0x000000000777E000-memory.dmp

Filesize
56KB

Download
memory/2204-70-0x0000000007730000-0x0000000007741000-memory.dmp

Filesize
68KB

Download
memory/2204-16-0x0000000004C30000-0x0000000004C66000-memory.dmp

Filesize
216KB

Download
memory/2204-17-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2204-42-0x0000000006260000-0x00000000062AC000-memory.dmp

Filesize
304KB

Download
memory/2204-19-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/2204-69-0x00000000077C0000-0x0000000007856000-memory.dmp

Filesize
600KB

Download
memory/2204-21-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/2204-53-0x0000000007200000-0x0000000007232000-memory.dmp

Filesize
200KB

Download
memory/2204-68-0x0000000007590000-0x000000000759A000-memory.dmp

Filesize
40KB

Download
memory/2204-51-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/2204-67-0x0000000007530000-0x000000000754A000-memory.dmp

Filesize
104KB

Download
memory/2204-27-0x0000000005130000-0x0000000005152000-memory.dmp

Filesize
136KB

Download
memory/2204-66-0x0000000007B80000-0x00000000081FA000-memory.dmp

Filesize
6.5MB

Download
memory/2204-48-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/2204-45-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/2204-65-0x0000000007240000-0x00000000072E3000-memory.dmp

Filesize
652KB

Download
memory/2204-28-0x00000000052D0000-0x0000000005336000-memory.dmp

Filesize
408KB

Download
memory/2204-54-0x0000000070D70000-0x0000000070DBC000-memory.dmp

Filesize
304KB

Download
memory/2204-18-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/2204-43-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/2204-44-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

Filesize
64KB

Download
memory/4180-30-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download
memory/4180-46-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4180-47-0x0000000001480000-0x0000000001490000-memory.dmp

Filesize
64KB

Download
memory/4180-29-0x0000000001480000-0x0000000001490000-memory.dmp

Filesize
64KB

Download
memory/4180-25-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4180-52-0x0000000006DF0000-0x0000000006E40000-memory.dmp

Filesize
320KB

Download
memory/4180-22-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4268-3-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/4268-9-0x0000000000960000-0x000000000096A000-memory.dmp

Filesize
40KB

Download
memory/4268-1-0x00000000004F0000-0x0000000000594000-memory.dmp

Filesize
656KB

Download
memory/4268-0-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4268-26-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4268-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/4268-4-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/4268-11-0x0000000008BC0000-0x0000000008C5C000-memory.dmp

Filesize
624KB

Download
memory/4268-10-0x00000000061F0000-0x000000000626E000-memory.dmp

Filesize
504KB

Download
memory/4268-8-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/4268-7-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/4268-6-0x0000000075070000-0x0000000075820000-memory.dmp

Filesize
7.7MB

Download
memory/4268-5-0x0000000004F50000-0x0000000004F5A000-memory.dmp

Filesize
40KB

Download