agenttesla | e1eb6222a8e97a11a12b0306cc2084152d2c53e4969178c8dcc3d94012fcdad2

General

Target

c22581a6e275d276141977cf7eb50853.exe
Size

488KB
MD5

c22581a6e275d276141977cf7eb50853
SHA1

bdf5f8adbeefd1776a1225f2fff84dcbff19faf1
SHA256

e1eb6222a8e97a11a12b0306cc2084152d2c53e4969178c8dcc3d94012fcdad2
SHA512

ffeecb806e2d61bbfc9cd2647a591cb63aba0269a17cda73fbc94104fe189a9ace5e4233dcbae9d1e4fe49ffd3649b6d5323c8de93e099e993af06ec3a0d8bc1
SSDEEP

12288:Pi7n6QjBtbKjD/AkVmSc0NhOLS26ni/WlQ0EC:q7nhvbKvfmkALKi/Wq0E

Score

10^/10

agenttesla collection evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rajapindah.com
Port:
587
Username:
[email protected]
Password:
#r4j#citeureup#13

Signatures

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

AgentTesla payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3052-9-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/3052-10-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/3052-13-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/3052-17-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/3052-15-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/2924-4-0x00000000020C0000-0x0000000002118000-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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c22581a6e275d276141977cf7eb50853.exe

description pid process target process

PID 2924 set thread context of 3052 2924 c22581a6e275d276141977cf7eb50853.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2648 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

3052 RegSvcs.exe
3052 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3052 RegSvcs.exe

description	pid	process	target process
PID 2924 set thread context of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe

pid	process
2648	REG.exe

pid	process
3052	RegSvcs.exe
3052	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3052	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

c22581a6e275d276141977cf7eb50853.exeRegSvcs.exe

description	pid	process	target process
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 2924 wrote to memory of 3052	2924	c22581a6e275d276141977cf7eb50853.exe	RegSvcs.exe
PID 3052 wrote to memory of 2648	3052	RegSvcs.exe	REG.exe
PID 3052 wrote to memory of 2648	3052	RegSvcs.exe	REG.exe
PID 3052 wrote to memory of 2648	3052	RegSvcs.exe	REG.exe
PID 3052 wrote to memory of 2648	3052	RegSvcs.exe	REG.exe
PID 3052 wrote to memory of 2476	3052	RegSvcs.exe	netsh.exe
PID 3052 wrote to memory of 2476	3052	RegSvcs.exe	netsh.exe
PID 3052 wrote to memory of 2476	3052	RegSvcs.exe	netsh.exe
PID 3052 wrote to memory of 2476	3052	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c22581a6e275d276141977cf7eb50853.exe
"C:\Users\Admin\AppData\Local\Temp\c22581a6e275d276141977cf7eb50853.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2924

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:3052

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:2648

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2476

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/2924-1-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-0-0x0000000000A80000-0x0000000000B00000-memory.dmp

Filesize
512KB

Download
memory/2924-2-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/2924-3-0x00000000005E0000-0x00000000005E8000-memory.dmp

Filesize
32KB

Download
memory/2924-4-0x00000000020C0000-0x0000000002118000-memory.dmp

Filesize
352KB

Download
memory/2924-18-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3052-13-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-17-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-15-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-19-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-20-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download
memory/3052-22-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-23-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads