agenttesla | 5c4676ef5bd6f6d10826944d9e51efadb58fbbb936ff5f10d7aa91235c35946d

General

Target

PO-no 74GW0942.exe
Size

837KB
MD5

4cde3609b918d4ef83a1f50dd0e6bc8e
SHA1

69878bfdfe1b730f802bfa6ad515efdef96aa43f
SHA256

5c4676ef5bd6f6d10826944d9e51efadb58fbbb936ff5f10d7aa91235c35946d
SHA512

7def65260ab6f04c0b4e3af4754e54d28bd6a289152692f047915b2cc9fb5f799ae47a605efe401f1e606b0c7f787be13b68ac1ec67ba88539a12d041c6d8f5f

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:
[email protected]
Password:
project2021blessinggoodgood2+me

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1640-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1640-127-0x000000000043763E-mapping.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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO-no 74GW0942.exe

description pid process target process

PID 4064 set thread context of 1640 4064 PO-no 74GW0942.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO-no 74GW0942.exeRegSvcs.exe

pid process

4064 PO-no 74GW0942.exe
4064 PO-no 74GW0942.exe
4064 PO-no 74GW0942.exe
4064 PO-no 74GW0942.exe
1640 RegSvcs.exe
1640 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO-no 74GW0942.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4064 PO-no 74GW0942.exe
Token: SeDebugPrivilege 1640 RegSvcs.exe

description	pid	process	target process
PID 4064 set thread context of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe

pid	process
4064	PO-no 74GW0942.exe
4064	PO-no 74GW0942.exe
4064	PO-no 74GW0942.exe
4064	PO-no 74GW0942.exe
1640	RegSvcs.exe
1640	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4064	PO-no 74GW0942.exe
Token: SeDebugPrivilege	1640	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

PO-no 74GW0942.exe

description	pid	process	target process
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe
PID 4064 wrote to memory of 1640	4064	PO-no 74GW0942.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO-no 74GW0942.exe
"C:\Users\Admin\AppData\Local\Temp\PO-no 74GW0942.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064

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:1640

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

Replay Monitor

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Downloads

memory/1640-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1640-134-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/1640-133-0x0000000005640000-0x0000000005641000-memory.dmp

Filesize
4KB

Download
memory/1640-132-0x0000000003070000-0x0000000003071000-memory.dmp

Filesize
4KB

Download
memory/1640-127-0x000000000043763E-mapping.dmp

Download
memory/4064-119-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/4064-121-0x0000000005170000-0x000000000566E000-memory.dmp

Filesize
5.0MB

Download
memory/4064-122-0x0000000005DF0000-0x0000000005DF9000-memory.dmp

Filesize
36KB

Download
memory/4064-123-0x000000007E9A0000-0x000000007E9A1000-memory.dmp

Filesize
4KB

Download
memory/4064-124-0x0000000001140000-0x00000000011BE000-memory.dmp

Filesize
504KB

Download
memory/4064-125-0x0000000008540000-0x0000000008589000-memory.dmp

Filesize
292KB

Download
memory/4064-120-0x0000000005390000-0x0000000005391000-memory.dmp

Filesize
4KB

Download
memory/4064-114-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/4064-118-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/4064-117-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/4064-116-0x00000000050D0000-0x00000000050D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads