agenttesla | 399a8f899ba8d8ef02ecfd588fcbe4c0e85d59d8a51bb3127dc3e5fc451d278b

General

Target

GS_ PO NO.1862021.exe
Size

605KB
MD5

dd69154b0cdf498ef93ea3005a4de557
SHA1

5d2146fffe83a3fca36ea89f3a38762cd797fa19
SHA256

11e9639235e6331d3fc76d710c73ce5412c3758f41ee587104839a0ee1d00f5a
SHA512

d3b6d5c81dcd59c6696a011890fa0980286e7cfcf7fd8712632c992ab4bb0bc939237029750f2cd4156adc680b5c87e00fa728bde1af5380a9fa681b58533a06

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.odessabd.com
Port:
587
Username:
compliance2@odessabd.com
Password:
abc321

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/1520-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1520-68-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/1520-69-0x0000000000400000-0x000000000043C000-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\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

GS_ PO NO.1862021.exe

description pid process target process

PID 1684 set thread context of 1520 1684 GS_ PO NO.1862021.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

GS_ PO NO.1862021.exeRegSvcs.exe

pid process

1684 GS_ PO NO.1862021.exe
1684 GS_ PO NO.1862021.exe
1684 GS_ PO NO.1862021.exe
1520 RegSvcs.exe
1520 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

GS_ PO NO.1862021.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1684 GS_ PO NO.1862021.exe
Token: SeDebugPrivilege 1520 RegSvcs.exe

description	pid	process	target process
PID 1684 set thread context of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe

pid	process
1684	GS_ PO NO.1862021.exe
1684	GS_ PO NO.1862021.exe
1684	GS_ PO NO.1862021.exe
1520	RegSvcs.exe
1520	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1684	GS_ PO NO.1862021.exe
Token: SeDebugPrivilege	1520	RegSvcs.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

GS_ PO NO.1862021.exe

description	pid	process	target process
PID 1684 wrote to memory of 988	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 988	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 988	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 988	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 988	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 988	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 988	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe
PID 1684 wrote to memory of 1520	1684	GS_ PO NO.1862021.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\GS_ PO NO.1862021.exe
"C:\Users\Admin\AppData\Local\Temp\GS_ PO NO.1862021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:988

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1520

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1520-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1520-68-0x000000000043762E-mapping.dmp

Download
memory/1520-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1520-71-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/1684-60-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1684-62-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/1684-63-0x00000000004E0000-0x00000000004E9000-memory.dmp

Filesize
36KB

Download
memory/1684-64-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1684-65-0x00000000051A0000-0x0000000005217000-memory.dmp

Filesize
476KB

Download
memory/1684-66-0x00000000007D0000-0x000000000080C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads