agenttesla | 57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947

General

Target

57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
Size

672KB
MD5

8858954bbf2c3f1525ca1f6d07788ba3
SHA1

5b7d021ebb6e64abbdc51a5c0469f6287f1924f1
SHA256

57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947
SHA512

7e542f25518fa023c844b3924c73ab5e65ff15ddc8731a8af5b34ce30aa53f87fdee78b7c53a8e968240d73c5cadcb76a05a5374dea072c6e259e989dbc7c70d
SSDEEP

12288:kRkB778QH82WS8U9AadmiotMCi3uQiXD0gNVT8d0W4Ubk0ILqRKs8i3W6BvxBkR:KkBR82vZ9An9pZQg0qZW00MqRKiG69+

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.plsco.org
Port:
587
Username:
[email protected]
Password:
fghbnm@PLS#
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-31-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe

description	pid	process	target process
PID 2076 set thread context of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe

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

Processes:

schtasks.exe

pid process

2604 schtasks.exe

pid	process
2604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
2680	powershell.exe
2976	powershell.exe
2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
2460	RegSvcs.exe
2460	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe
Token: SeDebugPrivilege	2460	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe

description	pid	process	target process
PID 2076 wrote to memory of 2976	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2976	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2976	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2976	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2680	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2680	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2680	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2680	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	powershell.exe
PID 2076 wrote to memory of 2604	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	schtasks.exe
PID 2076 wrote to memory of 2604	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	schtasks.exe
PID 2076 wrote to memory of 2604	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	schtasks.exe
PID 2076 wrote to memory of 2604	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	schtasks.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe
PID 2076 wrote to memory of 2460	2076	57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe
"C:\Users\Admin\AppData\Local\Temp\57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076

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\57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ujCdfdU.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ujCdfdU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7050.tmp"
2⤵
- Creates scheduled task(s)
PID:2604

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2460

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7050.tmp
Filesize
1KB

MD5
68b3d2c14f63e58fb49aa9a9f7f4e20e

SHA1
59af00c2bdc9135cb96270f3d7a6bd5f217e16aa

SHA256
f591d0579570463fd55ee288c2258c0aa7eff7f745bf0102427d2bf233025dc1

SHA512
b94c0746409cd3be278fac9040a3e904118eec41f0cc9c017eda7d53ad20e4ae902d2b666b186b1cfdd12173313bc11c3a11b10b64a5e01d187ea6723d897510

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
4141efed7f15a63e95b7571e0c4891a3

SHA1
1ef11035735484164bf3bf4c10bdd43c07322537

SHA256
95464f052d03271e6e05b32fc2c45c2ed2369be0bcd80a2b06281ad2f82162e9

SHA512
4330035f23d9d615b8aa57b29887ddfed4874cade8b8676d3ce7a5cca70984c051df0d91bf7fc20ba5e291ff1c94d33ec955339c30a9636dfd236cba22e119a0

Download Submit
memory/2076-4-0x0000000000380000-0x000000000038E000-memory.dmp

Filesize
56KB

Download
memory/2076-3-0x00000000003D0000-0x00000000003E8000-memory.dmp

Filesize
96KB

Download
memory/2076-0-0x00000000003F0000-0x000000000049A000-memory.dmp

Filesize
680KB

Download
memory/2076-5-0x00000000004A0000-0x00000000004B6000-memory.dmp

Filesize
88KB

Download
memory/2076-6-0x0000000004B90000-0x0000000004C12000-memory.dmp

Filesize
520KB

Download
memory/2076-2-0x0000000005290000-0x00000000052D0000-memory.dmp

Filesize
256KB

Download
memory/2076-1-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-32-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2076-24-0x0000000073FE0000-0x00000000746CE000-memory.dmp

Filesize
6.9MB

Download
memory/2460-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2460-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2460-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2460-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2460-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2460-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2460-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads