agenttesla | daf79ca1365100618e6b5ab5267e3503245d3fa2b5c799faf5d3c4169c0e36e0

General

Target

Shipmment Details.doc.exe
Size

593KB
MD5

2cdfc23862dd7eaad438857cf157e927
SHA1

ddefd21c0fddc8b5d85bde29f9cebfc48a2b5ba4
SHA256

a18085ac71d9d467d624492a847de1e7b6f7d4439ac496acbc67e28977e60606
SHA512

0ccb890011e9b2d27a5035fd8a088e84b0ce6d74f3645a11f3aa39753c972f707d56f85c141f40a5be4b2273bc481e0cd1e6acb31cdb1151d5dfc9d135d31deb

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/2100-136-0x0000000000400000-0x0000000000450000-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:

Shipmment Details.doc.exe

description pid process target process

PID 4732 set thread context of 2100 4732 Shipmment Details.doc.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2476 2100 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4584 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2100 RegSvcs.exe
2100 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2100 RegSvcs.exe

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

description	pid	process	target process
PID 4732 set thread context of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe

pid	pid_target	process	target process
2476	2100	WerFault.exe	RegSvcs.exe

pid	process
4584	REG.exe

pid	process
2100	RegSvcs.exe
2100	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2100	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Shipmment Details.doc.exeRegSvcs.exe

description	pid	process	target process
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 4732 wrote to memory of 2100	4732	Shipmment Details.doc.exe	RegSvcs.exe
PID 2100 wrote to memory of 4584	2100	RegSvcs.exe	REG.exe
PID 2100 wrote to memory of 4584	2100	RegSvcs.exe	REG.exe
PID 2100 wrote to memory of 4584	2100	RegSvcs.exe	REG.exe
PID 2100 wrote to memory of 5024	2100	RegSvcs.exe	netsh.exe
PID 2100 wrote to memory of 5024	2100	RegSvcs.exe	netsh.exe
PID 2100 wrote to memory of 5024	2100	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Shipmment Details.doc.exe
"C:\Users\Admin\AppData\Local\Temp\Shipmment Details.doc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4732

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:2100

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:4584

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:5024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 1564
3⤵
- Program crash
PID:2476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2100 -ip 2100
1⤵
PID:1508

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/2100-135-0x0000000000000000-mapping.dmp

Download
memory/2100-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2100-137-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/2100-139-0x00000000069B0000-0x0000000006A00000-memory.dmp

Filesize
320KB

Download
memory/4584-138-0x0000000000000000-mapping.dmp

Download
memory/4732-130-0x00000000006D0000-0x000000000076A000-memory.dmp

Filesize
616KB

Download
memory/4732-131-0x0000000009BD0000-0x000000000A174000-memory.dmp

Filesize
5.6MB

Download
memory/4732-132-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/4732-133-0x0000000005220000-0x000000000522A000-memory.dmp

Filesize
40KB

Download
memory/4732-134-0x0000000008DB0000-0x0000000008E4C000-memory.dmp

Filesize
624KB

Download
memory/5024-140-0x0000000000000000-mapping.dmp

Download

Analysis

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