agenttesla | 4568453d8e6838ec1f2e1dd9cfe87b257aa7bcbebb888c3b3c8c0514afb74b91

General

Target

tmp53yzlng1.exe
Size

836KB
MD5

64d78850bcb1730279f0221558cfbf73
SHA1

c7aa58c22c4941eebc0663cedf20d3ec5d0373e4
SHA256

4568453d8e6838ec1f2e1dd9cfe87b257aa7bcbebb888c3b3c8c0514afb74b91
SHA512

54f998f313f80194be851781e8ad76017a0ecb374fc4e5af3b345baa6af913e7b2bc62bd1a9d18f9c842a6247eaebfd41c1b3066e771b6b2fd60539570da2b8e
SSDEEP

12288:eHnH0mNTkTaMg+i0hREhXV+/VSiyMIA22AxE/3v6OD7FP7r9r/+pppppppppppp9:eHxTkuMg+i00biEi/RcovBDZ1q

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
manlikeyou88
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2700	powershell.exe
2208	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2180 set thread context of 2080	2180	tmp53yzlng1.exe	36

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp53yzlng1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

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
2540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2180	tmp53yzlng1.exe
2180	tmp53yzlng1.exe
2080	RegSvcs.exe
2080	RegSvcs.exe
2700	powershell.exe
2208	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	tmp53yzlng1.exe
Token: SeDebugPrivilege	2080	RegSvcs.exe
Token: SeDebugPrivilege	2700	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2700	2180	tmp53yzlng1.exe	30
PID 2180 wrote to memory of 2700	2180	tmp53yzlng1.exe	30
PID 2180 wrote to memory of 2700	2180	tmp53yzlng1.exe	30
PID 2180 wrote to memory of 2700	2180	tmp53yzlng1.exe	30
PID 2180 wrote to memory of 2208	2180	tmp53yzlng1.exe	32
PID 2180 wrote to memory of 2208	2180	tmp53yzlng1.exe	32
PID 2180 wrote to memory of 2208	2180	tmp53yzlng1.exe	32
PID 2180 wrote to memory of 2208	2180	tmp53yzlng1.exe	32
PID 2180 wrote to memory of 2540	2180	tmp53yzlng1.exe	34
PID 2180 wrote to memory of 2540	2180	tmp53yzlng1.exe	34
PID 2180 wrote to memory of 2540	2180	tmp53yzlng1.exe	34
PID 2180 wrote to memory of 2540	2180	tmp53yzlng1.exe	34
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36
PID 2180 wrote to memory of 2080	2180	tmp53yzlng1.exe	36

C:\Users\Admin\AppData\Local\Temp\tmp53yzlng1.exe
"C:\Users\Admin\AppData\Local\Temp\tmp53yzlng1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180
- 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\tmp53yzlng1.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SLfjwrYOuWuupJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2208
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SLfjwrYOuWuupJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B3F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2540
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8B3F.tmp

Filesize
1KB

MD5
5a495daf0e03d001c663252d9e7685e9

SHA1
b758fdaecd7d2f66641d0d532e1ca8fa806d1a99

SHA256
9d4961d9351227e7fec864043c8a9cf2ed31926b14cd81e7e228a080b62d84ff

SHA512
7948561786f447d684e3a7a0a5e00df1724fb8e1a6add7b197388ecf7c4178b91c704ddc986a9d77243b2e6e811aa30f82bc5e420d0184e75b80477d5b4abf77

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QJPHXNIRIJTF8G43BXOJ.temp

Filesize
7KB

MD5
4b2b9bede1a4b1a35ce3d0c01808fd32

SHA1
39cffe917ae392997c575b14d85094c98a89b507

SHA256
8b6d74e2a1c7abcd6cbe390ff16a8819d0cf48577b02da84fb5d63e987fb52d7

SHA512
c99050850c7bae1da4c1146f00cd99930d604eb5c254b4c8fcf0b4b5f477cdc6a0871afdb46f42d6531d8d3042e5706da76c979b6188b85638f34ba2982567d9

Download Submit
memory/2080-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2080-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2180-6-0x0000000005180000-0x0000000005202000-memory.dmp

Filesize
520KB

Download
memory/2180-1-0x00000000002F0000-0x00000000003C6000-memory.dmp

Filesize
856KB

Download
memory/2180-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/2180-2-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-3-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download
memory/2180-5-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/2180-31-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads