agenttesla | 2d9d35e187c4df915d22b2fabee804442da2b19f3ac5165cb93d8c3babda9d4c

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
18/05/2024, 08:21

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General

Target
d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe
Size 663KB
Sample240518-j9danabe36
SHA256 d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114
MD5 d82c117b3945a7f976355b6dc36a5162
SHA1 44c2659ae7a7e97fdb2f51b7ee3082b183e59afd
SHA512 663d59966422b8fe6ff1104465f0911d67d2274c8820ba643228a0a802065a33e5a5abf82e38829148c6d271f27eb45af1d6a0444c1155fb527500aa1905debd
SSDEEP 12288:PoFgYKpHNpEYGkK55kPLB2pMi7WftzxSvNPOT7VNT3PJrdzb4BDwN:4gYKpHjFBK50L0ZE9yNINT3PJRP4w
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.oxatis.com
Port
587
Username
[email protected]
Password
Sog1952
Email to
[email protected]

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe

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
1636	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1636	powershell.exe
2692	installutil.exe
2692	installutil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe
Token: SeDebugPrivilege	1636	powershell.exe
Token: SeDebugPrivilege	2692	installutil.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1636	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	28
PID 1868 wrote to memory of 1636	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	28
PID 1868 wrote to memory of 1636	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	28
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2692	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	30
PID 1868 wrote to memory of 2324	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	31
PID 1868 wrote to memory of 2324	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	31
PID 1868 wrote to memory of 2324	1868	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe	31

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe

C:\Users\Admin\AppData\Local\Temp\d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe
"C:\Users\Admin\AppData\Local\Temp\d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1868
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\d23d7720e102defe044a98f19b42fd6e94ef0bd607f01270f4957db595051114.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1636
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2692
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1868 -s 632
  2⤵
  PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1636-20-0x000000001B700000-0x000000001B9E2000-memory.dmp

Download

memory/1636-8-0x0000000002960000-0x00000000029E0000-memory.dmp

Download

memory/1636-22-0x0000000000300000-0x0000000000308000-memory.dmp

Download

memory/1868-0-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

Download

memory/1868-2-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

Download

memory/1868-3-0x0000000000710000-0x00000000007A4000-memory.dmp

Download

memory/1868-24-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

Download

memory/1868-23-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

Download

memory/1868-1-0x0000000000800000-0x000000000081A000-memory.dmp

Download

memory/2692-18-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2692-15-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2692-13-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2692-11-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2692-21-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2692-9-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2692-19-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2692-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download