agenttesla | eabfebdbacab5478437bda6bb709be1cd7ec5649c6ef81ef4a06b6d29b56a58b

General

Target

Halkbank_Ekstre_20230324_075616.exe
Size

941KB
MD5

ce799150af794b8188a7c547660e5f6a
SHA1

7dbe23db99cbafe43853a69985182eb68230e745
SHA256

eabfebdbacab5478437bda6bb709be1cd7ec5649c6ef81ef4a06b6d29b56a58b
SHA512

796b9e95d13e63da05642e11a1408395b3b32441daddf29e75c4c7a717efb997201bb10d77ec46c74ccbad230bcd0592d98e6c6ee45e5508b0457df6b9d87ccd
SSDEEP

24576:PCHLr91y04G4X1SYZcwGyF/Dz/bgbgZG:qH/91y0b21vZ3F/jgbgZ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.redseatransportuae.com
Port:
587
Username:
[email protected]
Password:
method10@10

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.redseatransportuae.com
Port:
587
Username:
[email protected]
Password:
method10@10
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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	Halkbank_Ekstre_20230324_075616.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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230324_075616.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_20230324_075616.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230324_075616.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
59	api.ipify.org
60	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105

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

pid	Process
1388	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
2584	Halkbank_Ekstre_20230324_075616.exe
1728	powershell.exe
1728	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	Halkbank_Ekstre_20230324_075616.exe
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	3832	Halkbank_Ekstre_20230324_075616.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3832	Halkbank_Ekstre_20230324_075616.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 1728	2584	Halkbank_Ekstre_20230324_075616.exe	101
PID 2584 wrote to memory of 1728	2584	Halkbank_Ekstre_20230324_075616.exe	101
PID 2584 wrote to memory of 1728	2584	Halkbank_Ekstre_20230324_075616.exe	101
PID 2584 wrote to memory of 1388	2584	Halkbank_Ekstre_20230324_075616.exe	103
PID 2584 wrote to memory of 1388	2584	Halkbank_Ekstre_20230324_075616.exe	103
PID 2584 wrote to memory of 1388	2584	Halkbank_Ekstre_20230324_075616.exe	103
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105
PID 2584 wrote to memory of 3832	2584	Halkbank_Ekstre_20230324_075616.exe	105

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_20230324_075616.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_20230324_075616.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230324_075616.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230324_075616.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IXArqdJPmEAAB.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IXArqdJPmEAAB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB41D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1388
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230324_075616.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230324_075616.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3832

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_pkm50myp.a4p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB41D.tmp

Filesize
1KB

MD5
8de0dfa60f4b425364fb3ae77649462e

SHA1
87cb9ad9b38700a00e6a2b6f3832e7f14453e13d

SHA256
08a2d8090dbc9cd011450612838ac541e5426fb0ce99d9778901326430ec37d7

SHA512
4fa8cc5de939f4168702948a58c2eba1f0938720d11cc55da7a41498a5b2519d5455635e2010c0204c9d233600303a0d958c59a5fc90bcdff03c64b693676f3b

Download Submit
memory/1728-157-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download
memory/1728-165-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/1728-193-0x0000000007750000-0x0000000007758000-memory.dmp

Filesize
32KB

Download
memory/1728-192-0x0000000007770000-0x000000000778A000-memory.dmp

Filesize
104KB

Download
memory/1728-191-0x0000000007660000-0x000000000766E000-memory.dmp

Filesize
56KB

Download
memory/1728-144-0x0000000004BD0000-0x0000000004C06000-memory.dmp

Filesize
216KB

Download
memory/1728-145-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/1728-146-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

Filesize
64KB

Download
memory/1728-164-0x0000000006130000-0x000000000614E000-memory.dmp

Filesize
120KB

Download
memory/1728-190-0x00000000076B0000-0x0000000007746000-memory.dmp

Filesize
600KB

Download
memory/1728-149-0x0000000005240000-0x0000000005868000-memory.dmp

Filesize
6.2MB

Download
memory/1728-151-0x00000000058A0000-0x00000000058C2000-memory.dmp

Filesize
136KB

Download
memory/1728-189-0x00000000074A0000-0x00000000074AA000-memory.dmp

Filesize
40KB

Download
memory/1728-188-0x0000000007430000-0x000000000744A000-memory.dmp

Filesize
104KB

Download
memory/1728-186-0x000000007F330000-0x000000007F340000-memory.dmp

Filesize
64KB

Download
memory/1728-187-0x0000000007A70000-0x00000000080EA000-memory.dmp

Filesize
6.5MB

Download
memory/1728-179-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/1728-168-0x0000000070330000-0x000000007037C000-memory.dmp

Filesize
304KB

Download
memory/1728-167-0x00000000066F0000-0x0000000006722000-memory.dmp

Filesize
200KB

Download
memory/2584-137-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/2584-135-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/2584-133-0x0000000000500000-0x00000000005F0000-memory.dmp

Filesize
960KB

Download
memory/2584-134-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/2584-136-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/2584-139-0x00000000068B0000-0x000000000694C000-memory.dmp

Filesize
624KB

Download
memory/2584-138-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/3832-163-0x0000000004F40000-0x0000000004F50000-memory.dmp

Filesize
64KB

Download
memory/3832-169-0x0000000007030000-0x00000000071F2000-memory.dmp

Filesize
1.8MB

Download
memory/3832-166-0x0000000006CB0000-0x0000000006D00000-memory.dmp

Filesize
320KB

Download
memory/3832-148-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3832-158-0x0000000004FC0000-0x0000000005026000-memory.dmp

Filesize
408KB

Download
memory/3832-196-0x0000000004F40000-0x0000000004F50000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads