agenttesla | 1cd783e8b8452da8b87fef52742d4ecf53cb1938e375b62ab03214ad145405db

Analysis

max time kernel
120s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/03/2024, 04:47

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General

Target
5c64cab3d3ff04e498f71ab2694d76df.exe
Size 718KB
Sample240322-fejbmsba5y
SHA256 1cd783e8b8452da8b87fef52742d4ecf53cb1938e375b62ab03214ad145405db
MD5 5c64cab3d3ff04e498f71ab2694d76df
SHA1 c07d3d3d8d0041c8f6e82a4f3ec965ad5c2eec69
SHA512 cd6329a960e1abff49209b5f1e0e6331088ecdbb58985d68a8845e5891f7a92c278fde456e3a097b7075a7da7727f2d2f25a1b85f177857efc04f10fb6597f5a
SSDEEP 12288:CRMoWa4dc3ckm0h5ImCNSeuQ9lqTxzjjji8L1IyKqqMaHTHm7ua:EcHUcy7IlHMxzjni85T3rwG71
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
.Password: mt!VMNE0
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-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe"	5c64cab3d3ff04e498f71ab2694d76df.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.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
2592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1056	5c64cab3d3ff04e498f71ab2694d76df.exe
1056	5c64cab3d3ff04e498f71ab2694d76df.exe
2424	5c64cab3d3ff04e498f71ab2694d76df.exe
2424	5c64cab3d3ff04e498f71ab2694d76df.exe
2648	powershell.exe
2656	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	5c64cab3d3ff04e498f71ab2694d76df.exe
Token: SeDebugPrivilege	2424	5c64cab3d3ff04e498f71ab2694d76df.exe
Token: SeDebugPrivilege	2648	powershell.exe
Token: SeDebugPrivilege	2656	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2656	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	28
PID 1056 wrote to memory of 2656	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	28
PID 1056 wrote to memory of 2656	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	28
PID 1056 wrote to memory of 2656	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	28
PID 1056 wrote to memory of 2648	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	30
PID 1056 wrote to memory of 2648	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	30
PID 1056 wrote to memory of 2648	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	30
PID 1056 wrote to memory of 2648	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	30
PID 1056 wrote to memory of 2592	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	31
PID 1056 wrote to memory of 2592	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	31
PID 1056 wrote to memory of 2592	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	31
PID 1056 wrote to memory of 2592	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	31
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34
PID 1056 wrote to memory of 2424	1056	5c64cab3d3ff04e498f71ab2694d76df.exe	34

C:\Users\Admin\AppData\Local\Temp\5c64cab3d3ff04e498f71ab2694d76df.exe
"C:\Users\Admin\AppData\Local\Temp\5c64cab3d3ff04e498f71ab2694d76df.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056
- 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\5c64cab3d3ff04e498f71ab2694d76df.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WZCyArRsXuQK.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WZCyArRsXuQK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96C3.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2592
- C:\Users\Admin\AppData\Local\Temp\5c64cab3d3ff04e498f71ab2694d76df.exe
  "C:\Users\Admin\AppData\Local\Temp\5c64cab3d3ff04e498f71ab2694d76df.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2424

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

tmp96C3.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp96C3.tmp
Size 1KB
SHA256 f99bedd8ac2e5844e200e3f523411da75e1d279fee79f62be88af45d2aca85d2
MD5 7ecb038d52e6c2ed81b4dc78ffce0421
SHA1 b1043aecb7686e4bc98170876da853c5b25621da
SHA512 8f4d53dc454f70502667858ab9db3e3b63e5cde8af46f239665205d4e67a820f63fa1c29445b8cc364fea54f9bb25f676bfa7c5ec615e543583632f18a0ed05c
MD5 SHA1 SHA512

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6DWNBOPOHXPQI0SQONK4.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6DWNBOPOHXPQI0SQONK4.temp
Size 7KB
SHA256 45b4ea6e116b6c00a2723ce5ad97237fdea6c891d032217dac84503e3792946a
MD5 070795e8b5d983ff05228b87d24a36fb
SHA1 f07ce6616534916a94db5ba30c22b0993aeddad5
SHA512 ed4f8b46777ed0b70466419581e49adc67649ec4b6e13423cfdf3d1b0425d9632539f0b6566d20133d99cdd547fe3f34a322146f24c081bdc9514bc1814653bf
SSDEEP 96:UlyCBM8EnqvsqvJCwoJlyCBM8EnqvsEHyqvJCworbRfXQHLM76CXlUVA:wDgUoTDgAHnorbZ+M76C7
MD5 SHA1 SHA512 SSDEEP

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memory/1056-0-0x0000000000BD0000-0x0000000000C8A000-memory.dmp

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memory/1056-1-0x0000000074260000-0x000000007494E000-memory.dmp

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memory/1056-2-0x0000000004D50000-0x0000000004D90000-memory.dmp

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memory/1056-3-0x0000000000340000-0x0000000000356000-memory.dmp

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memory/1056-4-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/1056-5-0x0000000000410000-0x000000000041C000-memory.dmp

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memory/1056-6-0x00000000051B0000-0x0000000005234000-memory.dmp

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memory/1056-33-0x0000000074260000-0x000000007494E000-memory.dmp

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memory/2424-28-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2424-35-0x0000000004B40000-0x0000000004B80000-memory.dmp

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memory/2424-24-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2424-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2424-21-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2424-30-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2424-32-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2424-34-0x0000000074260000-0x000000007494E000-memory.dmp

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memory/2424-19-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2424-46-0x0000000074260000-0x000000007494E000-memory.dmp

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memory/2424-47-0x0000000004B40000-0x0000000004B80000-memory.dmp

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memory/2424-23-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2648-38-0x0000000002370000-0x00000000023B0000-memory.dmp

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memory/2648-39-0x000000006F0D0000-0x000000006F67B000-memory.dmp

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memory/2648-36-0x000000006F0D0000-0x000000006F67B000-memory.dmp

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memory/2648-41-0x0000000002370000-0x00000000023B0000-memory.dmp

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memory/2648-44-0x000000006F0D0000-0x000000006F67B000-memory.dmp

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memory/2656-37-0x000000006F0D0000-0x000000006F67B000-memory.dmp

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memory/2656-43-0x000000006F0D0000-0x000000006F67B000-memory.dmp

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memory/2656-42-0x0000000002770000-0x00000000027B0000-memory.dmp

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memory/2656-40-0x000000006F0D0000-0x000000006F67B000-memory.dmp

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