agenttesla | 017dcb7a984321a869fa38b898bb08249eaa2a5a24684ecd365eb4f3f21535a1

General

Target

SOA.exe
Size

586KB
MD5

a1d0775f927324ce39ff4f928081d524
SHA1

a43fbe55933e59d43b8d953da3e6414a3d2ba9a9
SHA256

397c2b4608c484eec2613bea0baa9b7e7b163b9ac27e3a197d5fdaf46792f605
SHA512

1beccdc50599e5aa79d13de67d661ff43a1844c038359ac2281a1ecc8fd2bc707fe9939202325f9d1cc914060d0fa54d813e51990063443cda8e5473b800b839

Score

10^/10

agenttesla collection evasion keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.microtechlab.in
Port:
587
Username:
[email protected]
Password:
pune@123

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1880-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1880-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1880-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1880-64-0x000000000044CF5E-mapping.dmp	family_agenttesla
behavioral1/memory/1880-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1880-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/560-57-0x0000000000980000-0x00000000009D8000-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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA.exe

description pid process target process

PID 560 set thread context of 1880 560 SOA.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1728 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SOA.exeRegSvcs.exe

pid process

560 SOA.exe
1880 RegSvcs.exe
1880 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 560 SOA.exe
Token: SeDebugPrivilege 1880 RegSvcs.exe

description	pid	process	target process
PID 560 set thread context of 1880	560	SOA.exe	RegSvcs.exe

pid	process
1728	REG.exe

pid	process
560	SOA.exe
1880	RegSvcs.exe
1880	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	560	SOA.exe
Token: SeDebugPrivilege	1880	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SOA.exeRegSvcs.exe

description	pid	process	target process
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 560 wrote to memory of 1880	560	SOA.exe	RegSvcs.exe
PID 1880 wrote to memory of 1728	1880	RegSvcs.exe	REG.exe
PID 1880 wrote to memory of 1728	1880	RegSvcs.exe	REG.exe
PID 1880 wrote to memory of 1728	1880	RegSvcs.exe	REG.exe
PID 1880 wrote to memory of 1728	1880	RegSvcs.exe	REG.exe
PID 1880 wrote to memory of 1172	1880	RegSvcs.exe	netsh.exe
PID 1880 wrote to memory of 1172	1880	RegSvcs.exe	netsh.exe
PID 1880 wrote to memory of 1172	1880	RegSvcs.exe	netsh.exe
PID 1880 wrote to memory of 1172	1880	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1880

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:1728

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1172

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/560-54-0x0000000000CA0000-0x0000000000D38000-memory.dmp

Filesize
608KB

Download
memory/560-55-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/560-56-0x00000000004A0000-0x00000000004A8000-memory.dmp

Filesize
32KB

Download
memory/560-57-0x0000000000980000-0x00000000009D8000-memory.dmp

Filesize
352KB

Download
memory/1172-71-0x0000000000000000-mapping.dmp

Download
memory/1728-70-0x0000000000000000-mapping.dmp

Download
memory/1880-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1880-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1880-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1880-64-0x000000000044CF5E-mapping.dmp

Download
memory/1880-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1880-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1880-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1880-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads