agenttesla | 6e545f6e39c133d39164a73673e2d29b03897a3ba35fd5fac135077f64d81398

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19/06/2024, 16:18

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General

Target
PO#0094321.exe
Size 689KB
Sample240619-tscynstbnd
SHA256 75ae08a3551577bab675fa1b9263e6eb6173be749864b0b073ed535cf57597b9
MD5 e938208917aa519c849d75e33c77214f
SHA1 ab4a3013de343543309fd80e593ae1e66d4da166
SHA512 599562228352a9138f2f9b7131f415739ce75668d8067abd14d8c5edad6329cc716fc848b678d418e99a69491a949d8d571b990e84855bfbfca8f2c27d3e5258
SSDEEP 12288:t2iNvFIsPAdbMybkIrlZlI/5+cYH2ViL+x8LEvHCqQwQqPbuFz1ycHshxk:t1DIKabOIrlZlu+cViyx8L0H5KFoqg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
qqvQB2@@@@@
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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2720	powershell.exe

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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe"	MSBuild.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 2664	1924	PO#0094321.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1924	PO#0094321.exe
1924	PO#0094321.exe
2664	MSBuild.exe
2664	MSBuild.exe
2720	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	PO#0094321.exe
Token: SeDebugPrivilege	2664	MSBuild.exe
Token: SeDebugPrivilege	2720	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2720	1924	PO#0094321.exe	28
PID 1924 wrote to memory of 2720	1924	PO#0094321.exe	28
PID 1924 wrote to memory of 2720	1924	PO#0094321.exe	28
PID 1924 wrote to memory of 2720	1924	PO#0094321.exe	28
PID 1924 wrote to memory of 2556	1924	PO#0094321.exe	30
PID 1924 wrote to memory of 2556	1924	PO#0094321.exe	30
PID 1924 wrote to memory of 2556	1924	PO#0094321.exe	30
PID 1924 wrote to memory of 2556	1924	PO#0094321.exe	30
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32
PID 1924 wrote to memory of 2664	1924	PO#0094321.exe	32

C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe
"C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iTdPrWZP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTdPrWZP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B2C.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp3B2C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3B2C.tmp
Size 1KB
SHA256 216e4dea7242bb3fe8c5bf155306d776ccd012e2da300b05014d5cd18a56393f
MD5 3d4f46739398cd971fe26c4f01411f4b
SHA1 bccb6d636d1aa4e9fdb4f5b8354c91896e3b7665
SHA512 009f85ed91b6bac73c8f4f887de89ff5590b33289e05ea09c27b9a3523b2a14e5ae747f6078370b884dd4f46979b44995ca4431ffc330de3fe2942d4b5c4ef6a
MD5 SHA1 SHA512

Submit Download

memory/1924-26-0x0000000074950000-0x000000007503E000-memory.dmp

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memory/1924-1-0x00000000008B0000-0x0000000000962000-memory.dmp

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memory/1924-2-0x0000000074950000-0x000000007503E000-memory.dmp

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memory/1924-3-0x0000000000510000-0x0000000000522000-memory.dmp

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memory/1924-4-0x0000000000570000-0x0000000000578000-memory.dmp

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memory/1924-5-0x0000000000580000-0x000000000058C000-memory.dmp

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memory/1924-6-0x0000000004E70000-0x0000000004EF4000-memory.dmp

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memory/1924-0-0x000000007495E000-0x000000007495F000-memory.dmp

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memory/2664-14-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2664-24-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2664-23-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2664-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/2664-20-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2664-18-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2664-16-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2664-25-0x0000000000400000-0x0000000000442000-memory.dmp

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