agenttesla | a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268

General

Target

a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe
Size

296KB
MD5

f90f7228f33accb6b44274c6c07cf511
SHA1

5cad49a1dd5da9f40bc490170546132680ccb2a2
SHA256

a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268
SHA512

994d2a8560d384808fedb536c5ba273b9fc8e448908acdd94fde2d36324b0ed07df68603d1a8e4c0db4bad1ca1146621224ae4df8d9900e7439d733fa95b675d

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
paola.micheli@copangroup.xyz
Password:
gibson.1990

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/1980-7-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1980-8-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral1/memory/1980-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegAsm.exe

description ioc process

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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe

description	pid	process	target process
PID 276 set thread context of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1468 276 WerFault.exe a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

RegAsm.exeWerFault.exe

pid process

1980 RegAsm.exe
1980 RegAsm.exe
1468 WerFault.exe
1468 WerFault.exe
1468 WerFault.exe
1468 WerFault.exe
1468 WerFault.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1980 RegAsm.exe
Token: SeDebugPrivilege 1468 WerFault.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

1980 RegAsm.exe

pid	pid_target	process	target process
1468	276	WerFault.exe	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe

pid	process
1980	RegAsm.exe
1980	RegAsm.exe
1468	WerFault.exe
1468	WerFault.exe
1468	WerFault.exe
1468	WerFault.exe
1468	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1980	RegAsm.exe
Token: SeDebugPrivilege	1468	WerFault.exe

pid	process
1980	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe

description	pid	process	target process
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1980	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	RegAsm.exe
PID 276 wrote to memory of 1468	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	WerFault.exe
PID 276 wrote to memory of 1468	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	WerFault.exe
PID 276 wrote to memory of 1468	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	WerFault.exe
PID 276 wrote to memory of 1468	276	a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe
"C:\Users\Admin\AppData\Local\Temp\a35495ca447272d3acd4164b73c1f6e881bd0dc854f7953b4047dc79d273c268.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:276

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 276 -s 1020
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1468

Network

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/276-13-0x00000000045F0000-0x00000000045F1000-memory.dmp

Filesize
4KB

Download
memory/276-3-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/276-5-0x0000000001E00000-0x0000000001E49000-memory.dmp

Filesize
292KB

Download
memory/276-6-0x00000000005D0000-0x00000000005DF000-memory.dmp

Filesize
60KB

Download
memory/276-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/276-15-0x0000000001F40000-0x0000000001F41000-memory.dmp

Filesize
4KB

Download
memory/1468-18-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1468-17-0x0000000002340000-0x0000000002351000-memory.dmp

Filesize
68KB

Download
memory/1468-16-0x0000000000000000-mapping.dmp

Download
memory/1980-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-14-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/1980-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1980-10-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/1980-9-0x00000000765E1000-0x00000000765E3000-memory.dmp

Filesize
8KB

Download
memory/1980-8-0x000000000043761E-mapping.dmp

Download
memory/1980-19-0x0000000004D21000-0x0000000004D22000-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