agenttesla | dc2e8a0f43a7ba9dc6ccf14dfda7e6ddd366d137cf774e221b09165ca6b414a8

Analysis

max time kernel
121s
max time network
137s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
17/06/2024, 04:30

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General

Target
ORDER060424.exe
Size 649KB
Sample240617-e4tm8svama
SHA256 dc2e8a0f43a7ba9dc6ccf14dfda7e6ddd366d137cf774e221b09165ca6b414a8
MD5 0c0a41c08e05cc17ec190a8325122ff1
SHA1 d626dadb8389d7d3a2ef8a4d55ea1e93012344df
SHA512 eedf165ebccb8a4c90664a4eaa8389aa7f67fd03035e3e3592dd8ebbcf0c4f67e2cc398ecf5838469721fffce7b511c74f2973632d065fef825ef15acc0ce5de
SSDEEP 12288:Fjgd/iFIsPAb/z/6U66JBBQILFuCJJ5JAl9qv+6Pt71rjzhO0dto9Vy9j+jtIU0Y:9gdkIKybs6J7QI8CJJgXqvdRrPs0dtDg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.calibervalves.com
Port
587
Username
[email protected]
Password
f%K=]590_&Es
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2268	powershell.exe
2644	powershell.exe

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\YxAesh = "C:\\Users\\Admin\\AppData\\Roaming\\YxAesh\\YxAesh.exe"	ORDER060424.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 2188 set thread context of 2744	2188	ORDER060424.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
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2188	ORDER060424.exe
2188	ORDER060424.exe
2744	ORDER060424.exe
2744	ORDER060424.exe
2268	powershell.exe
2644	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	ORDER060424.exe
Token: SeDebugPrivilege	2744	ORDER060424.exe
Token: SeDebugPrivilege	2268	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	ORDER060424.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2268	2188	ORDER060424.exe	28
PID 2188 wrote to memory of 2268	2188	ORDER060424.exe	28
PID 2188 wrote to memory of 2268	2188	ORDER060424.exe	28
PID 2188 wrote to memory of 2268	2188	ORDER060424.exe	28
PID 2188 wrote to memory of 2644	2188	ORDER060424.exe	30
PID 2188 wrote to memory of 2644	2188	ORDER060424.exe	30
PID 2188 wrote to memory of 2644	2188	ORDER060424.exe	30
PID 2188 wrote to memory of 2644	2188	ORDER060424.exe	30
PID 2188 wrote to memory of 2692	2188	ORDER060424.exe	32
PID 2188 wrote to memory of 2692	2188	ORDER060424.exe	32
PID 2188 wrote to memory of 2692	2188	ORDER060424.exe	32
PID 2188 wrote to memory of 2692	2188	ORDER060424.exe	32
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34
PID 2188 wrote to memory of 2744	2188	ORDER060424.exe	34

C:\Users\Admin\AppData\Local\Temp\ORDER060424.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER060424.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2188
- 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\ORDER060424.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2268
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pirZYozXqKPglS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2644
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pirZYozXqKPglS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F89.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\ORDER060424.exe
  "C:\Users\Admin\AppData\Local\Temp\ORDER060424.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

tmp2F89.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2F89.tmp
Size 1KB
SHA256 07c40cceb33d61850cdf5c1a26284172de7b271e21a1948ce255d20c558b3464
MD5 cd70dd535d102240aa756e49c1de913e
SHA1 65e71d4ed12deb1c6077bd20f573530b67f24a98
SHA512 6ee523d7365a6323ef914433fcf4cce816f8421a0d4040aa2e587ac26bb3cae1a03c5d77e2725392cf668c9442844993eabd6aed212b972e81f4c492098bc985
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 0c1617f8a70cf73e0fd025aaac2acf2d862a66dea7da872ba6e5ee5868a2b707
MD5 7a1129d69a081cfdc8944b6630a3120f
SHA1 c1933d379980c56c6846002efd0d127bc631fb39
SHA512 9ed71338c6a29e063089ceac75a7ddede0f149128e2ed4ba07d7145f7ac6ef1def8d6d3ed60086c438e1417d132d833c1ef96ea2bf3308cccaea2ea67345d5e4
SSDEEP 96:85aCNM8snqvsqvJCwoGf/5aCNM8snqvsEHyqvJCwor8fvnx6yQHgA7SOXlUV9:kv4UoGfxv4AHnor8fvnVNA7SOC
MD5 SHA1 SHA512 SSDEEP

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memory/2188-4-0x0000000000500000-0x0000000000508000-memory.dmp

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memory/2188-32-0x0000000074690000-0x0000000074D7E000-memory.dmp

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memory/2188-0-0x000000007469E000-0x000000007469F000-memory.dmp

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memory/2188-5-0x0000000000510000-0x000000000051C000-memory.dmp

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memory/2188-6-0x0000000004D50000-0x0000000004DD2000-memory.dmp

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memory/2188-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

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memory/2188-1-0x0000000000BF0000-0x0000000000C94000-memory.dmp

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memory/2188-3-0x0000000000210000-0x0000000000222000-memory.dmp

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memory/2744-29-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2744-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2744-25-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2744-28-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2744-23-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2744-21-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2744-19-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2744-31-0x0000000000400000-0x0000000000442000-memory.dmp

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