agenttesla | 40bb8b7b9fec345f4aa54b05cc02fa42b404b9de341e07f7c6d7a0c1a1d801ff

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 09:13

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General

Target
UPDATED SOA PDF.exe
Size 688KB
Sample240417-k6srlscc3w
SHA256 40bb8b7b9fec345f4aa54b05cc02fa42b404b9de341e07f7c6d7a0c1a1d801ff
MD5 9ecea7ad4e7e70e51a106920267d20ce
SHA1 9cf8442d9a4496bbdbada0c29b853ca4838ddb56
SHA512 8193581ee7c9bca7273a50fcaa697ec0dfb5562df2d2c1d9194955b620955c049964da687d2f714ea4fc6e61837163c0fe73571646bd92cbcf2385745f653ada
SSDEEP 12288:RO+sn4lkfaSKcc+M7OCwZCeJmyUeGKPBhZipKqq7Q29bIut2sCJuv:ROH4SfrcNO8yUeka59EdXJuv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.flexwelltour.com
Port
587
Username
[email protected]
Password
w$5DC?c5
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	UPDATED SOA 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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2628	2904	UPDATED SOA PDF.exe	34

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
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2904	UPDATED SOA PDF.exe
2904	UPDATED SOA PDF.exe
2572	powershell.exe
2680	powershell.exe
2904	UPDATED SOA PDF.exe
2628	UPDATED SOA PDF.exe
2628	UPDATED SOA PDF.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	UPDATED SOA PDF.exe
Token: SeDebugPrivilege	2572	powershell.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	2628	UPDATED SOA PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2628	UPDATED SOA PDF.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2572	2904	UPDATED SOA PDF.exe	28
PID 2904 wrote to memory of 2572	2904	UPDATED SOA PDF.exe	28
PID 2904 wrote to memory of 2572	2904	UPDATED SOA PDF.exe	28
PID 2904 wrote to memory of 2572	2904	UPDATED SOA PDF.exe	28
PID 2904 wrote to memory of 2572	2904	UPDATED SOA PDF.exe	28
PID 2904 wrote to memory of 2572	2904	UPDATED SOA PDF.exe	28
PID 2904 wrote to memory of 2572	2904	UPDATED SOA PDF.exe	28
PID 2904 wrote to memory of 2680	2904	UPDATED SOA PDF.exe	30
PID 2904 wrote to memory of 2680	2904	UPDATED SOA PDF.exe	30
PID 2904 wrote to memory of 2680	2904	UPDATED SOA PDF.exe	30
PID 2904 wrote to memory of 2680	2904	UPDATED SOA PDF.exe	30
PID 2904 wrote to memory of 2680	2904	UPDATED SOA PDF.exe	30
PID 2904 wrote to memory of 2680	2904	UPDATED SOA PDF.exe	30
PID 2904 wrote to memory of 2680	2904	UPDATED SOA PDF.exe	30
PID 2904 wrote to memory of 2712	2904	UPDATED SOA PDF.exe	32
PID 2904 wrote to memory of 2712	2904	UPDATED SOA PDF.exe	32
PID 2904 wrote to memory of 2712	2904	UPDATED SOA PDF.exe	32
PID 2904 wrote to memory of 2712	2904	UPDATED SOA PDF.exe	32
PID 2904 wrote to memory of 2712	2904	UPDATED SOA PDF.exe	32
PID 2904 wrote to memory of 2712	2904	UPDATED SOA PDF.exe	32
PID 2904 wrote to memory of 2712	2904	UPDATED SOA PDF.exe	32
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34
PID 2904 wrote to memory of 2628	2904	UPDATED SOA PDF.exe	34

C:\Users\Admin\AppData\Local\Temp\UPDATED SOA PDF.exe
"C:\Users\Admin\AppData\Local\Temp\UPDATED SOA PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904
- 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\UPDATED SOA PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2572
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eVLiRnaGQFTb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eVLiRnaGQFTb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3DBC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\UPDATED SOA PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\UPDATED SOA PDF.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2628

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

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

tmp3DBC.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3DBC.tmp
Size 1KB
SHA256 79c946e64a0e9c68f135550dd0b698d48967ac991b4df829dea8d1834f7a5186
MD5 decd34616a64e3babc15fbe99694d63d
SHA1 cf379b1c248a43f18a8c741dc241d341b04e3755
SHA512 53db70be6812c17fbe1d610d5387f4e76479ab649f5686a4bab15b9aa91a8c577bf60f7d72b45f96a6ac012d00eb6003e18b0348b7f0a375c979c140f09a8c6e
MD5 SHA1 SHA512

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d93f411851d7c929.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Size 7KB
SHA256 39494601621d73dc45f31771becc6861d2442ed8b4a2e1d46055610ea4c269c2
MD5 8c816d6f5bfc7b78d2d28b62fdf14bf9
SHA1 0394f18381f5dd5a640d024c66eef44d779ca7ff
SHA512 acdc59e364a727abf174aba6f9ae34e4df80d19d91b356186299346359168a5dce4b8fcf7f2f750e6e49633543640e4397f3cbee8c00d09388bbcde782caf793
SSDEEP 96:jEh2ClM8PnqvsqvJCwocEh2ClM8PnqvsEHyqvJCwormkfEQHup7j4XlUVI:4r7Uozr7AHnormn7p7j4P
MD5 SHA1 SHA512 SSDEEP

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memory/2572-35-0x0000000002BC0000-0x0000000002C00000-memory.dmp

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memory/2572-31-0x000000006E840000-0x000000006EDEB000-memory.dmp

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memory/2572-37-0x000000006E840000-0x000000006EDEB000-memory.dmp

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memory/2628-29-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2628-32-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2628-36-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2628-18-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2628-20-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2628-22-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2628-24-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2628-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2680-33-0x00000000028C0000-0x0000000002900000-memory.dmp

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memory/2680-28-0x000000006E840000-0x000000006EDEB000-memory.dmp

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memory/2680-38-0x000000006E840000-0x000000006EDEB000-memory.dmp

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memory/2904-5-0x0000000005480000-0x0000000005502000-memory.dmp

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memory/2904-0-0x0000000000A60000-0x0000000000B12000-memory.dmp

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memory/2904-3-0x0000000000A50000-0x0000000000A58000-memory.dmp

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memory/2904-4-0x0000000002780000-0x000000000278C000-memory.dmp

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memory/2904-2-0x0000000000660000-0x0000000000674000-memory.dmp

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memory/2904-1-0x0000000004C50000-0x0000000004CEE000-memory.dmp

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