agenttesla | 01b10e69f2bf67fdd929c4cb584dd248a71ad447eb460787f9e2ba34129ac4c3

Resubmissions

27-12-2022 14:34

221227-rxqn8afa54 10

27-12-2022 14:34

221227-rxfh9afa52 10

25-12-2022 11:46

221225-nxcwksee8w 10

Analysis

max time kernel
90s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2022 11:46

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General

Target

HSBC_Swift_Copy.pdf.exe
Size

1001KB
MD5

ce3718f0a5cd81530496e4724857b0cb
SHA1

17aca36e82674bd55a48684acc4eef6cd02696b1
SHA256

980572025579ff98c1ab84aa8c0c045e075d174bc5bb166e2694590c98f90a54
SHA512

6f30e90a5b9412a24f9513690cfca60c57f2e615604a12ddb7e355bd80894b7f3a37d8242813c76484a258db588c3df25f193a556284c3408d98c92ae814f724
SSDEEP

12288:bZ+2iN1/Sr+pGrnU9xmh873NdbE9QJKQZdF+LHZnbNFphh26mdOAH8c+9epf+mDG:Q1e+gnU9cOrjEw5Zupbxhh26mlH80q

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5934477911:AAFE-T4zPYFg9j3dne3DNo28zBQV6eiIuEY/

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	HSBC_Swift_Copy.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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JxkFp = "C:\\Users\\Admin\\AppData\\Roaming\\JxkFp\\JxkFp.exe"	HSBC_Swift_Copy.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4400 set thread context of 4272	4400	HSBC_Swift_Copy.pdf.exe	95

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
2428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4060	powershell.exe
1668	powershell.exe
4272	HSBC_Swift_Copy.pdf.exe
4272	HSBC_Swift_Copy.pdf.exe
1668	powershell.exe
4060	powershell.exe
4272	HSBC_Swift_Copy.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4060	powershell.exe
Token: SeDebugPrivilege	1668	powershell.exe
Token: SeDebugPrivilege	4272	HSBC_Swift_Copy.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4272	HSBC_Swift_Copy.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 4060	4400	HSBC_Swift_Copy.pdf.exe	89
PID 4400 wrote to memory of 4060	4400	HSBC_Swift_Copy.pdf.exe	89
PID 4400 wrote to memory of 4060	4400	HSBC_Swift_Copy.pdf.exe	89
PID 4400 wrote to memory of 1668	4400	HSBC_Swift_Copy.pdf.exe	91
PID 4400 wrote to memory of 1668	4400	HSBC_Swift_Copy.pdf.exe	91
PID 4400 wrote to memory of 1668	4400	HSBC_Swift_Copy.pdf.exe	91
PID 4400 wrote to memory of 2428	4400	HSBC_Swift_Copy.pdf.exe	93
PID 4400 wrote to memory of 2428	4400	HSBC_Swift_Copy.pdf.exe	93
PID 4400 wrote to memory of 2428	4400	HSBC_Swift_Copy.pdf.exe	93
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95
PID 4400 wrote to memory of 4272	4400	HSBC_Swift_Copy.pdf.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC_Swift_Copy.pdf.exe

C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4060
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TBcRbJIkEv.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1668
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TBcRbJIkEv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFE1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2428
- C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\HSBC_Swift_Copy.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

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\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
632dbbf2276d439ec0b090a36a71d500

SHA1
7c463104486386bb10ef8a93eaa77ab2bc5364d0

SHA256
de17e999568499113e5165934a121185488db19e6f8684ac6bdf9f6d175d699e

SHA512
7264b90fbfa7590355358ada1fa997070e1efddb2747b87a3f6c932025e07909c02c5646f549e729289fd9c4629c13b4d226cad6b16741217b8b7b5aa2a11362

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFFE1.tmp

Filesize
1KB

MD5
4d891cc951ff7c0b4fa82ff85fd744b9

SHA1
568c71342a781f5fa8dc088ab4599e4b74da92b0

SHA256
d868810010e3226b391d28e572451311a94941b64737cfba4c58432236aefd1a

SHA512
ace03ca559cfeb40e8e4f15c707e678f75a8de0c8e0b27d6376f4132ca81d9f031f4de90d4a5cdb2c9e9951d82503ab6f4d49484ea66583165302d46dcc19cd2

Download Submit
memory/1668-158-0x0000000006FF0000-0x000000000700A000-memory.dmp

Filesize
104KB

Download
memory/1668-153-0x0000000007300000-0x000000000797A000-memory.dmp

Filesize
6.5MB

Download
memory/1668-152-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/1668-150-0x0000000070320000-0x000000007036C000-memory.dmp

Filesize
304KB

Download
memory/1668-146-0x0000000004CA0000-0x0000000004D06000-memory.dmp

Filesize
408KB

Download
memory/1668-141-0x0000000004D30000-0x0000000005358000-memory.dmp

Filesize
6.2MB

Download
memory/4060-149-0x00000000069B0000-0x00000000069E2000-memory.dmp

Filesize
200KB

Download
memory/4060-155-0x0000000006D50000-0x0000000006D5A000-memory.dmp

Filesize
40KB

Download
memory/4060-140-0x0000000004430000-0x0000000004466000-memory.dmp

Filesize
216KB

Download
memory/4060-147-0x0000000005370000-0x00000000053D6000-memory.dmp

Filesize
408KB

Download
memory/4060-157-0x0000000006F10000-0x0000000006F1E000-memory.dmp

Filesize
56KB

Download
memory/4060-148-0x00000000059D0000-0x00000000059EE000-memory.dmp

Filesize
120KB

Download
memory/4060-145-0x0000000004B10000-0x0000000004B32000-memory.dmp

Filesize
136KB

Download
memory/4060-151-0x0000000070320000-0x000000007036C000-memory.dmp

Filesize
304KB

Download
memory/4060-159-0x0000000007000000-0x0000000007008000-memory.dmp

Filesize
32KB

Download
memory/4060-156-0x0000000006F60000-0x0000000006FF6000-memory.dmp

Filesize
600KB

Download
memory/4060-154-0x0000000006CE0000-0x0000000006CFA000-memory.dmp

Filesize
104KB

Download
memory/4272-160-0x0000000006850000-0x00000000068A0000-memory.dmp

Filesize
320KB

Download
memory/4272-144-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4400-136-0x0000000007F90000-0x000000000802C000-memory.dmp

Filesize
624KB

Download
memory/4400-135-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/4400-132-0x0000000000A50000-0x0000000000B50000-memory.dmp

Filesize
1024KB

Download
memory/4400-134-0x00000000054F0000-0x0000000005582000-memory.dmp

Filesize
584KB

Download
memory/4400-133-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download