agenttesla | 7959339db1709eabe418e3ca540f004fa7859fc53153ecfea1e64fd372d92f37

General

Target

PURCHASE ORDER.exe
Size

849KB
MD5

fe96b4b87c6023b699ccc5ece8485e14
SHA1

d29f6473b45d6dd8d9c89e376cf87e004278cd9a
SHA256

ee24bdde3b389e8776f89333aa2a9fe433d8a49c22a7b594b0db8f70b868de1a
SHA512

7900e2a057a9a13e48d2642d7dbabb779c52263bb002cc20d07a6dbb68b67c4f9ce7b6962d027c184b93a0c9a14ec6b2247c7b05ec59f003aa117f5129f366d6

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.a-k.co.ir
Port:
587
Username:
[email protected]
Password:
09133434194

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/980-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/980-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/980-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/980-66-0x00000000004472CE-mapping.dmp	family_agenttesla
behavioral1/memory/980-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/980-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\OVDeV = "C:\\Users\\Admin\\AppData\\Roaming\\OVDeV\\OVDeV.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER.exe

description pid process target process

PID 784 set thread context of 980 784 PURCHASE ORDER.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

1888 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1356 REG.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PURCHASE ORDER.exeRegSvcs.exe

pid process

784 PURCHASE ORDER.exe
784 PURCHASE ORDER.exe
784 PURCHASE ORDER.exe
784 PURCHASE ORDER.exe
980 RegSvcs.exe
980 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 784 PURCHASE ORDER.exe
Token: SeDebugPrivilege 980 RegSvcs.exe

description	pid	process	target process
PID 784 set thread context of 980	784	PURCHASE ORDER.exe	RegSvcs.exe

pid	process
1888	schtasks.exe

pid	process
1356	REG.exe

pid	process
784	PURCHASE ORDER.exe
784	PURCHASE ORDER.exe
784	PURCHASE ORDER.exe
784	PURCHASE ORDER.exe
980	RegSvcs.exe
980	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	784	PURCHASE ORDER.exe
Token: SeDebugPrivilege	980	RegSvcs.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

PURCHASE ORDER.exeRegSvcs.exe

description	pid	process	target process
PID 784 wrote to memory of 1888	784	PURCHASE ORDER.exe	schtasks.exe
PID 784 wrote to memory of 1888	784	PURCHASE ORDER.exe	schtasks.exe
PID 784 wrote to memory of 1888	784	PURCHASE ORDER.exe	schtasks.exe
PID 784 wrote to memory of 1888	784	PURCHASE ORDER.exe	schtasks.exe
PID 784 wrote to memory of 1948	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 1948	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 1948	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 1948	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 1948	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 1948	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 1948	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 784 wrote to memory of 980	784	PURCHASE ORDER.exe	RegSvcs.exe
PID 980 wrote to memory of 1356	980	RegSvcs.exe	REG.exe
PID 980 wrote to memory of 1356	980	RegSvcs.exe	REG.exe
PID 980 wrote to memory of 1356	980	RegSvcs.exe	REG.exe
PID 980 wrote to memory of 1356	980	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFFB.tmp"
2⤵
- Creates scheduled task(s)
PID:1888

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1948

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:980

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:1356

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

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\tmpEFFB.tmp
Filesize
1KB

MD5
d9b3fb55144055bf53049ae44e24a2b4

SHA1
e01d7cbee7c35cac28b467f84e92b7a48d32d61e

SHA256
7b950a718804352c3350d97782b2db4cd0e4fa78d1fded8b7f56edfa9df4a437

SHA512
001c56ee85bf76eb22969026c4ddd0f784052c37144642d8124b4fe0db1893bba55b2f5c4739a5a8cb54cdab5b1ea37ad830b34c429fdac0b8f93a4d5acc052c

Download Submit
memory/784-55-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/784-56-0x0000000004870000-0x00000000048E4000-memory.dmp

Filesize
464KB

Download
memory/784-57-0x0000000004E60000-0x0000000004EB6000-memory.dmp

Filesize
344KB

Download
memory/784-54-0x00000000002E0000-0x00000000003BA000-memory.dmp

Filesize
872KB

Download
memory/980-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/980-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/980-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/980-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/980-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/980-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/980-66-0x00000000004472CE-mapping.dmp

Download
memory/980-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/980-71-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/1356-72-0x0000000000000000-mapping.dmp

Download
memory/1888-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads