agenttesla | eeff87f3b345b9b42f721cfdd82fa81e229c7599ef4a24d3af914e2740a7a44c

Analysis

max time kernel
123s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2023 02:01

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General

Target

231121-01-AgentTesla-4f4bd4.exe
Size

890KB
MD5

73af2b313925da0e49f1c99e1b51ec4b
SHA1

4f4bd4f230b2d2bc6f140d38f8c301a3264747a0
SHA256

bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724
SHA512

1c7ab9854266a275376ce0134d356702749f6ce8168fee0301c8140867d30384c4f5521c1212c71aba2eea0cee3600bbe9bd6311ac721219acb52c46b1c3c6f7
SSDEEP

24576:ve4ucqeAete6Fnj5k359f5fHi/dkGxris1q:3ucN3Fnjw53exel

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bezzleauto.com
Port:
587
Username:
[email protected]
Password:
kex#-rHjHM4qKk52
Email To:
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

231121-01-AgentTesla-4f4bd4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	231121-01-AgentTesla-4f4bd4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

231121-01-AgentTesla-4f4bd4.exe

description pid process target process

PID 4536 set thread context of 1512 4536 231121-01-AgentTesla-4f4bd4.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

816 1512 WerFault.exe RegSvcs.exe
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

Processes:

schtasks.exe

pid process

4964 schtasks.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exeRegSvcs.exe

pid process

1788 powershell.exe
1788 powershell.exe
2356 powershell.exe
2356 powershell.exe
1512 RegSvcs.exe
1512 RegSvcs.exe
2356 powershell.exe
1788 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1788 powershell.exe
Token: SeDebugPrivilege 2356 powershell.exe
Token: SeDebugPrivilege 1512 RegSvcs.exe

description	pid	process	target process
PID 4536 set thread context of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe

pid	pid_target	process	target process
816	1512	WerFault.exe	RegSvcs.exe

pid	process
4964	schtasks.exe

pid	process
1788	powershell.exe
1788	powershell.exe
2356	powershell.exe
2356	powershell.exe
1512	RegSvcs.exe
1512	RegSvcs.exe
2356	powershell.exe
1788	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1788	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	1512	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

231121-01-AgentTesla-4f4bd4.exe

description	pid	process	target process
PID 4536 wrote to memory of 1788	4536	231121-01-AgentTesla-4f4bd4.exe	powershell.exe
PID 4536 wrote to memory of 1788	4536	231121-01-AgentTesla-4f4bd4.exe	powershell.exe
PID 4536 wrote to memory of 1788	4536	231121-01-AgentTesla-4f4bd4.exe	powershell.exe
PID 4536 wrote to memory of 2356	4536	231121-01-AgentTesla-4f4bd4.exe	powershell.exe
PID 4536 wrote to memory of 2356	4536	231121-01-AgentTesla-4f4bd4.exe	powershell.exe
PID 4536 wrote to memory of 2356	4536	231121-01-AgentTesla-4f4bd4.exe	powershell.exe
PID 4536 wrote to memory of 4964	4536	231121-01-AgentTesla-4f4bd4.exe	schtasks.exe
PID 4536 wrote to memory of 4964	4536	231121-01-AgentTesla-4f4bd4.exe	schtasks.exe
PID 4536 wrote to memory of 4964	4536	231121-01-AgentTesla-4f4bd4.exe	schtasks.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe
PID 4536 wrote to memory of 1512	4536	231121-01-AgentTesla-4f4bd4.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\231121-01-AgentTesla-4f4bd4.exe
"C:\Users\Admin\AppData\Local\Temp\231121-01-AgentTesla-4f4bd4.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4536
- 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\231121-01-AgentTesla-4f4bd4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1788
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yoLxZmTZYPo.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yoLxZmTZYPo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9872.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 1404
    3⤵
    - Program crash
    PID:816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1512 -ip 1512
1⤵
PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
a690ced9ff1d5f70b49c2eb61cee6b3b

SHA1
7670ecfff934999179c6c0f110bcf2b87fe7a171

SHA256
4d1b9348c1a564cc6bc667eea6d055af1b5908aea9c075c2462e52474bc2375f

SHA512
0e660572a172a9122f9293393788ca012d8677b4fc52f9ac7fed28226dee1589d93cb2b98352462ae04d54dc6f8759b8bda9868a1b491b4d571c9fcb5efd43ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qirdty1z.fvf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9872.tmp

Filesize
1KB

MD5
4cc6b8d28db56128c8ae4e2e9ddc2c7d

SHA1
b7c4bc9265d857207f023a11df12d346c720b2d3

SHA256
ff854a1eec7b3f115b637ed964c0d1e2e92cc35ddd4b94bd40fcf718840ecb92

SHA512
91260787179229e3cd098d430551b4c054e7b901c8b4de41a59d1de8d5f5e1216d36bf8e44a5fef396dc2f61ac88dcea7971f210931273b6092db5836402c150

Download Submit
memory/1512-86-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1512-51-0x0000000005470000-0x0000000005480000-memory.dmp

Filesize
64KB

Download
memory/1512-49-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1512-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1788-18-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1788-48-0x00000000061C0000-0x0000000006514000-memory.dmp

Filesize
3.3MB

Download
memory/1788-96-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1788-90-0x0000000007C30000-0x0000000007C38000-memory.dmp

Filesize
32KB

Download
memory/1788-88-0x0000000007B50000-0x0000000007B64000-memory.dmp

Filesize
80KB

Download
memory/1788-17-0x0000000002CC0000-0x0000000002CF6000-memory.dmp

Filesize
216KB

Download
memory/1788-81-0x0000000007F50000-0x00000000085CA000-memory.dmp

Filesize
6.5MB

Download
memory/1788-19-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

Filesize
64KB

Download
memory/1788-20-0x0000000005760000-0x0000000005D88000-memory.dmp

Filesize
6.2MB

Download
memory/1788-80-0x00000000077F0000-0x0000000007893000-memory.dmp

Filesize
652KB

Download
memory/1788-70-0x0000000007570000-0x000000000758E000-memory.dmp

Filesize
120KB

Download
memory/1788-22-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

Filesize
64KB

Download
memory/1788-59-0x00000000751A0000-0x00000000751EC000-memory.dmp

Filesize
304KB

Download
memory/1788-26-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/1788-57-0x00000000075B0000-0x00000000075E2000-memory.dmp

Filesize
200KB

Download
memory/1788-56-0x000000007FA00000-0x000000007FA10000-memory.dmp

Filesize
64KB

Download
memory/1788-54-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

Filesize
64KB

Download
memory/1788-52-0x0000000006610000-0x000000000662E000-memory.dmp

Filesize
120KB

Download
memory/2356-82-0x00000000075A0000-0x00000000075BA000-memory.dmp

Filesize
104KB

Download
memory/2356-55-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/2356-97-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2356-89-0x00000000078E0000-0x00000000078FA000-memory.dmp

Filesize
104KB

Download
memory/2356-87-0x00000000077D0000-0x00000000077DE000-memory.dmp

Filesize
56KB

Download
memory/2356-53-0x0000000006350000-0x000000000639C000-memory.dmp

Filesize
304KB

Download
memory/2356-85-0x00000000077A0000-0x00000000077B1000-memory.dmp

Filesize
68KB

Download
memory/2356-83-0x0000000007610000-0x000000000761A000-memory.dmp

Filesize
40KB

Download
memory/2356-25-0x0000000005260000-0x0000000005282000-memory.dmp

Filesize
136KB

Download
memory/2356-58-0x000000007F4A0000-0x000000007F4B0000-memory.dmp

Filesize
64KB

Download
memory/2356-27-0x0000000005BE0000-0x0000000005C46000-memory.dmp

Filesize
408KB

Download
memory/2356-84-0x0000000007820000-0x00000000078B6000-memory.dmp

Filesize
600KB

Download
memory/2356-23-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/2356-21-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2356-69-0x00000000751A0000-0x00000000751EC000-memory.dmp

Filesize
304KB

Download
memory/4536-1-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4536-9-0x0000000006CB0000-0x0000000006D2A000-memory.dmp

Filesize
488KB

Download
memory/4536-5-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

Filesize
40KB

Download
memory/4536-8-0x0000000006080000-0x000000000608A000-memory.dmp

Filesize
40KB

Download
memory/4536-7-0x0000000006070000-0x0000000006078000-memory.dmp

Filesize
32KB

Download
memory/4536-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp

Filesize
584KB

Download
memory/4536-6-0x0000000005C90000-0x0000000005CA0000-memory.dmp

Filesize
64KB

Download
memory/4536-12-0x0000000005B90000-0x0000000005BA0000-memory.dmp

Filesize
64KB

Download
memory/4536-4-0x0000000005B90000-0x0000000005BA0000-memory.dmp

Filesize
64KB

Download
memory/4536-11-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4536-2-0x00000000060D0000-0x0000000006674000-memory.dmp

Filesize
5.6MB

Download
memory/4536-0-0x0000000000F70000-0x0000000001054000-memory.dmp

Filesize
912KB

Download
memory/4536-50-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4536-10-0x0000000006F30000-0x0000000006FCC000-memory.dmp

Filesize
624KB

Download