agenttesla | c07013fbf8908de6e011f147b5470db2df3465642582849d368233675a77fc99

General

Target

ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe
Size

794KB
MD5

02d4adfdc7ef2416ac57c7f841a71ada
SHA1

ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5
SHA256

c07013fbf8908de6e011f147b5470db2df3465642582849d368233675a77fc99
SHA512

5e1de1cd07862e26831a418f9e922d857d6b5f8811e66ba0887c3f268f17ef27133746a599c47e31ab72d0f7591e91d1025c18145904423f30ebc2a95e998f81

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.moderntelco.com
Port:
587
Username:
sales@moderntelco.com
Password:
Sales@123$%

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1720-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1720-69-0x00000000004376CE-mapping.dmp	family_agenttesla
behavioral1/memory/1720-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe

description pid process target process

PID 748 set thread context of 1720 748 ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

732 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1720 RegSvcs.exe
1720 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 748 ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe
Token: SeDebugPrivilege 1720 RegSvcs.exe

description	pid	process	target process
PID 748 set thread context of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe

pid	process
732	schtasks.exe

pid	process
1720	RegSvcs.exe
1720	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe
Token: SeDebugPrivilege	1720	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe

description	pid	process	target process
PID 748 wrote to memory of 732	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	schtasks.exe
PID 748 wrote to memory of 732	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	schtasks.exe
PID 748 wrote to memory of 732	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	schtasks.exe
PID 748 wrote to memory of 732	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	schtasks.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe
PID 748 wrote to memory of 1720	748	ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe
"C:\Users\Admin\AppData\Local\Temp\ae59002c22a8ebf5aba7efea1fdd964a2ede4cb5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BnUGLgySuN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp76C5.tmp"
2⤵
- Creates scheduled task(s)
PID:732

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp76C5.tmp
MD5
37c6e13f0b7a995b2ca540d6ea56df01

SHA1
ddc1630bc250e28f4c265d6e5227f623c13e1b1f

SHA256
a4a62bef54316ffbf34fa5028e6380b24b8c5d8a2853085bb77ec4d06b64094b

SHA512
ef455a8a5553e06e095daa79b214b63c419513b5f696c04ada0b7adde6c75609b6f207b0aae012c90599a080814523662b3830574bb4d2325f98eb922ef12358

Download Submit
memory/732-66-0x0000000000000000-mapping.dmp

Download
memory/748-60-0x0000000001190000-0x0000000001191000-memory.dmp

Filesize
4KB

Download
memory/748-62-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/748-63-0x00000000004E0000-0x00000000004E2000-memory.dmp

Filesize
8KB

Download
memory/748-64-0x0000000004D80000-0x0000000004E01000-memory.dmp

Filesize
516KB

Download
memory/748-65-0x0000000000CD0000-0x0000000000D0F000-memory.dmp

Filesize
252KB

Download
memory/1720-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1720-69-0x00000000004376CE-mapping.dmp

Download
memory/1720-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1720-72-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1720-73-0x0000000000651000-0x0000000000652000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads