agenttesla | 75aa0deb50e9ac8cc58804d617c8e77a2bab40b584161102de178bdede912495

General

Target

TT- Swift Copy.pdf.exe
Size

411KB
MD5

cff3e5019bd36f4a7596fe229c9e6a2f
SHA1

b7d7e42f24cb3c3ef10497a64398a888790dcbb0
SHA256

9950693e7a2ed5a37008ea3a7c2a185132af4f3fedfbbba41fb03939dadb8044
SHA512

67e13ab5417c8751b956fd429b13fe11291d0263699c4e8f253b7ab4e266b4b2afb1411ed0907b69d84c549d03c7f5398ff885d864899d743d200f7a222b5031

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hotel71.com.bd
Port:
587
Username:
[email protected]
Password:
9+^va&phP1v9

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2752-137-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

TT- Swift Copy.pdf.exe

description pid process target process

PID 4780 set thread context of 2752 4780 TT- Swift Copy.pdf.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2760 2752 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

5104 REG.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

TT- Swift Copy.pdf.exeRegSvcs.exe

pid process

4780 TT- Swift Copy.pdf.exe
4780 TT- Swift Copy.pdf.exe
2752 RegSvcs.exe
2752 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TT- Swift Copy.pdf.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4780 TT- Swift Copy.pdf.exe
Token: SeDebugPrivilege 2752 RegSvcs.exe

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

description	pid	process	target process
PID 4780 set thread context of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe

pid	pid_target	process	target process
2760	2752	WerFault.exe	RegSvcs.exe

pid	process
5104	REG.exe

pid	process
4780	TT- Swift Copy.pdf.exe
4780	TT- Swift Copy.pdf.exe
2752	RegSvcs.exe
2752	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4780	TT- Swift Copy.pdf.exe
Token: SeDebugPrivilege	2752	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

TT- Swift Copy.pdf.exeRegSvcs.exe

description	pid	process	target process
PID 4780 wrote to memory of 924	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 924	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 924	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 4780 wrote to memory of 2752	4780	TT- Swift Copy.pdf.exe	RegSvcs.exe
PID 2752 wrote to memory of 5104	2752	RegSvcs.exe	REG.exe
PID 2752 wrote to memory of 5104	2752	RegSvcs.exe	REG.exe
PID 2752 wrote to memory of 5104	2752	RegSvcs.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\TT- Swift Copy.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\TT- Swift Copy.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:924

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 1552
3⤵
- Program crash
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2752 -ip 2752
1⤵
PID:1828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/924-135-0x0000000000000000-mapping.dmp

Download
memory/2752-136-0x0000000000000000-mapping.dmp

Download
memory/2752-137-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2752-138-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/2752-140-0x0000000006D90000-0x0000000006DE0000-memory.dmp

Filesize
320KB

Download
memory/4780-130-0x0000000000E50000-0x0000000000EBE000-memory.dmp

Filesize
440KB

Download
memory/4780-131-0x0000000005E60000-0x0000000006404000-memory.dmp

Filesize
5.6MB

Download
memory/4780-132-0x00000000058B0000-0x0000000005942000-memory.dmp

Filesize
584KB

Download
memory/4780-133-0x0000000005C90000-0x0000000005C9A000-memory.dmp

Filesize
40KB

Download
memory/4780-134-0x00000000095C0000-0x000000000965C000-memory.dmp

Filesize
624KB

Download
memory/5104-139-0x0000000000000000-mapping.dmp

Download

Analysis

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