agenttesla | 5ee6dd3df750206bb384944258d9783edc6f663ab78789203f4edc1ea4b7ed12

General

Target

61637db404e66bb682ebe5ad5af6cfa6.exe
Size

475KB
MD5

61637db404e66bb682ebe5ad5af6cfa6
SHA1

1a2382df2206b2b5b50a276bcb94a9fe025abe57
SHA256

5ee6dd3df750206bb384944258d9783edc6f663ab78789203f4edc1ea4b7ed12
SHA512

d0c63dbcb33b52a564769cb14a2c4111e8cfa1de6be28f2bec1fc5fd8fc91d9a30bf79f39cdf88e3e0b3af0ffd1aa09e623e132810fa526f1dc0acbe79c048dc
SSDEEP

12288:p3taORhPVcmcjwNRkwfJptUO76UJ4roU7h7AN3gB+M9eZaPRsXvo0AKqgqV:p3kOTKUYAC9UAoShsKB+ML/

Score

10^/10

agenttesla collection evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dianaglobalmandiri.com
Port:
587
Username:
[email protected]
Password:
Batam2019

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/2100-10-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/5388-8-0x0000000006290000-0x00000000062E8000-memory.dmp	rezer0

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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

61637db404e66bb682ebe5ad5af6cfa6.exe

description pid process target process

PID 5388 set thread context of 2100 5388 61637db404e66bb682ebe5ad5af6cfa6.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3880 2100 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

5416 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	pid	process	target process
PID 5388 set thread context of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe

pid	pid_target	process	target process
3880	2100	WerFault.exe	RegSvcs.exe

pid	process
5416	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:

61637db404e66bb682ebe5ad5af6cfa6.exeRegSvcs.exe

description	pid	process	target process
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 5388 wrote to memory of 2100	5388	61637db404e66bb682ebe5ad5af6cfa6.exe	RegSvcs.exe
PID 2100 wrote to memory of 5416	2100	RegSvcs.exe	REG.exe
PID 2100 wrote to memory of 5416	2100	RegSvcs.exe	REG.exe
PID 2100 wrote to memory of 5416	2100	RegSvcs.exe	REG.exe
PID 2100 wrote to memory of 5144	2100	RegSvcs.exe	netsh.exe
PID 2100 wrote to memory of 5144	2100	RegSvcs.exe	netsh.exe
PID 2100 wrote to memory of 5144	2100	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\61637db404e66bb682ebe5ad5af6cfa6.exe
"C:\Users\Admin\AppData\Local\Temp\61637db404e66bb682ebe5ad5af6cfa6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5388

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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:5416

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:5144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 1540
3⤵
- Program crash
PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2100 -ip 2100
1⤵
PID:4716

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2100-15-0x00000000058D0000-0x00000000058E8000-memory.dmp

Filesize
96KB

Download
memory/2100-12-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2100-20-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download
memory/2100-18-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2100-16-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/2100-14-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/2100-19-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/2100-10-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2100-21-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/5388-6-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/5388-7-0x00000000051F0000-0x00000000051F8000-memory.dmp

Filesize
32KB

Download
memory/5388-13-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/5388-5-0x0000000004F40000-0x0000000004F50000-memory.dmp

Filesize
64KB

Download
memory/5388-1-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/5388-4-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/5388-0-0x00000000002B0000-0x000000000032E000-memory.dmp

Filesize
504KB

Download
memory/5388-3-0x0000000009750000-0x0000000009CF4000-memory.dmp

Filesize
5.6MB

Download
memory/5388-8-0x0000000006290000-0x00000000062E8000-memory.dmp

Filesize
352KB

Download
memory/5388-2-0x0000000004EC0000-0x0000000004F22000-memory.dmp

Filesize
392KB

Download
memory/5388-9-0x0000000006390000-0x000000000642C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads