agenttesla | 0248d76f25d67192768d6b3c9cc35202c8f567e0ce77012e24ad37e33c4faf37

General

Target

Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe
Size

428KB
MD5

6afdf426be2106f66c8ad0dd5295a94a
SHA1

10cc14ab3cefd6175dab97c2f8d5bc2a8a88b02b
SHA256

18907aad4da3ed933bd68340346b21e23b3e0b5df978f01a99c195737f09db99
SHA512

4349569a571fdced6a54479fbbeb3a9d2baeaa7f4c85d48917306e4b5f631c2facf225cc563be9e345ba50d000a5c7534a5b3bcdcbe97f0b532d3dc37ee05d3c

Score

10^/10

agenttesla collection evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.israelagroconsultant.com
Port:
587
Username:
[email protected]
Password:
israelagro@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/1708-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1708-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1708-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1708-66-0x000000000044C75E-mapping.dmp	family_agenttesla
behavioral1/memory/1708-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1708-70-0x0000000000400000-0x0000000000452000-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/1968-57-0x0000000004D80000-0x0000000004DD8000-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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe

description	pid	process	target process
PID 1968 set thread context of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

364 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1808 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exeRegSvcs.exe

pid process

1968 Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe
1708 RegSvcs.exe
1708 RegSvcs.exe

pid	process
364	schtasks.exe

pid	process
1808	REG.exe

pid	process
1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe
1708	RegSvcs.exe
1708	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe
Token: SeDebugPrivilege	1708	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exeRegSvcs.exe

description	pid	process	target process
PID 1968 wrote to memory of 364	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	schtasks.exe
PID 1968 wrote to memory of 364	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	schtasks.exe
PID 1968 wrote to memory of 364	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	schtasks.exe
PID 1968 wrote to memory of 364	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	schtasks.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1968 wrote to memory of 1708	1968	Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe	RegSvcs.exe
PID 1708 wrote to memory of 1808	1708	RegSvcs.exe	REG.exe
PID 1708 wrote to memory of 1808	1708	RegSvcs.exe	REG.exe
PID 1708 wrote to memory of 1808	1708	RegSvcs.exe	REG.exe
PID 1708 wrote to memory of 1808	1708	RegSvcs.exe	REG.exe
PID 1708 wrote to memory of 384	1708	RegSvcs.exe	netsh.exe
PID 1708 wrote to memory of 384	1708	RegSvcs.exe	netsh.exe
PID 1708 wrote to memory of 384	1708	RegSvcs.exe	netsh.exe
PID 1708 wrote to memory of 384	1708	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe
"C:\Users\Admin\AppData\Local\Temp\Fattura accomp - Invoice 1028 del 19-02-2020 NEW WAY MIDDLE EAST FZE do....exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IPfnHkzoJxQw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp849B.tmp"
2⤵
- Creates scheduled task(s)
PID:364

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:1708

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:1808

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:384

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp849B.tmp
Filesize
1KB

MD5
dcaf466abff9604a400a6f6e175d56b7

SHA1
d6bae994ba212f68203e75938a132bc05fe91639

SHA256
6bd3d4ab40ce354e464ce0f4bb1edaf24a45d61bef2fc709e6933af88af18f4e

SHA512
73616ba7990a42401390a05d9a819d5c4ac06b7f19e11aaa80906c4243c5f57f14ebfb440fdd1c75b8fd9daff344103387571421a197153f46ef5cc95ccad41b

Download Submit
memory/364-58-0x0000000000000000-mapping.dmp

Download
memory/384-73-0x0000000000000000-mapping.dmp

Download
memory/1708-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1708-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1708-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1708-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1708-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1708-66-0x000000000044C75E-mapping.dmp

Download
memory/1708-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1708-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1808-72-0x0000000000000000-mapping.dmp

Download
memory/1968-57-0x0000000004D80000-0x0000000004DD8000-memory.dmp

Filesize
352KB

Download
memory/1968-56-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/1968-54-0x0000000000E30000-0x0000000000EA2000-memory.dmp

Filesize
456KB

Download
memory/1968-55-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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