agenttesla | 4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946

General

Target

PO.30023120.exe
Size

780KB
MD5

ee3e9c5a4defe801b65945bc719712eb
SHA1

05c78d06e003ae66d50470424c4b2f4fc12a588b
SHA256

4ec534a56242b9fce084489c530b3c148b5f88e139e98d06b630fe1404c09946
SHA512

734e97fa19004644b29d57f6d5024d5f16b12a7c56e6930f873e1d6b4a94b7f20fbbf9fc96eaff98baf4bea0943f523fa15b9f37ecd0e4d8b876d868ce0e55e8

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aldhiyafainteriors.com
Port:
587
Username:
[email protected]
Password:
dhiyafa@987

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1908-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1908-129-0x00000000004376CE-mapping.dmp	family_agenttesla
behavioral2/memory/1908-135-0x00000000056B0000-0x0000000005BAE000-memory.dmp	family_agenttesla
behavioral2/memory/1908-140-0x00000000056B0000-0x0000000005BAE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PO.30023120.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO.30023120.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PO.30023120.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO.30023120.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO.30023120.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe"	PO.30023120.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.30023120.exe

description pid process target process

PID 1524 set thread context of 1908 1524 PO.30023120.exe PO.30023120.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

1204 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO.30023120.exePO.30023120.exe

pid process

1524 PO.30023120.exe
1524 PO.30023120.exe
1524 PO.30023120.exe
1524 PO.30023120.exe
1908 PO.30023120.exe
1908 PO.30023120.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO.30023120.exePO.30023120.exe

description pid process

Token: SeDebugPrivilege 1524 PO.30023120.exe
Token: SeDebugPrivilege 1908 PO.30023120.exe

description	pid	process	target process
PID 1524 set thread context of 1908	1524	PO.30023120.exe	PO.30023120.exe

pid	process
1204	schtasks.exe

pid	process
1524	PO.30023120.exe
1524	PO.30023120.exe
1524	PO.30023120.exe
1524	PO.30023120.exe
1908	PO.30023120.exe
1908	PO.30023120.exe

description	pid	process
Token: SeDebugPrivilege	1524	PO.30023120.exe
Token: SeDebugPrivilege	1908	PO.30023120.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO.30023120.exe

description	pid	process	target process
PID 1524 wrote to memory of 1204	1524	PO.30023120.exe	schtasks.exe
PID 1524 wrote to memory of 1204	1524	PO.30023120.exe	schtasks.exe
PID 1524 wrote to memory of 1204	1524	PO.30023120.exe	schtasks.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe
PID 1524 wrote to memory of 1908	1524	PO.30023120.exe	PO.30023120.exe

outlook_office_path 1 IoCs

Processes:

PO.30023120.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe

outlook_win_path 1 IoCs

Processes:

PO.30023120.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.30023120.exe

C:\Users\Admin\AppData\Local\Temp\PO.30023120.exe
"C:\Users\Admin\AppData\Local\Temp\PO.30023120.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTiEgYlVWkvI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BF9.tmp"
2⤵
- Creates scheduled task(s)
PID:1204

C:\Users\Admin\AppData\Local\Temp\PO.30023120.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
- outlook_office_path
- outlook_win_path
PID:1908

Network

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

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO.30023120.exe.log
MD5
5b50852bf977f644bcd5997b7b5883c1

SHA1
8b53694b796620422b366dc5b8dbb3ce3060473c

SHA256
667bc8c8d53eddf6355877344b669db4fb9762e6320afc7316c3786213a254a9

SHA512
7e794fa7de5eca585000ef840ca821f36205d25b389747339d8b8d58b1ef3cd16306e62288f86027cbe6a76eeccc9dc7634a11c94ba551f3ce42ee874fac712d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4BF9.tmp
MD5
826dc8df3a33ba64bf68d0f0166f9b6e

SHA1
61e0abff64298cbba25fe98fcae14b0f50275ff1

SHA256
4719f43dc2e8f417556b10571b9c3f865c6f79b29758a619b63d6342d7fb4a28

SHA512
11ccbe9b851188e6827b6b36d7d13eb14d76001ab2eaf8ee65054f7cb147a77263d41dfc85a09eaedc8809324fc01387fcf3864b0cda00cd2a563cc27fe1a53b

Download Submit
memory/1204-126-0x0000000000000000-mapping.dmp

Download
memory/1524-124-0x0000000009280000-0x00000000092F9000-memory.dmp

Filesize
484KB

Download
memory/1524-119-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

Filesize
4KB

Download
memory/1524-121-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/1524-122-0x0000000005A60000-0x0000000005A61000-memory.dmp

Filesize
4KB

Download
memory/1524-123-0x0000000005DF0000-0x0000000005DFE000-memory.dmp

Filesize
56KB

Download
memory/1524-115-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/1524-125-0x000000000BAA0000-0x000000000BAD8000-memory.dmp

Filesize
224KB

Download
memory/1524-120-0x0000000005900000-0x0000000005901000-memory.dmp

Filesize
4KB

Download
memory/1524-118-0x0000000005E00000-0x0000000005E01000-memory.dmp

Filesize
4KB

Download
memory/1524-117-0x0000000005860000-0x0000000005861000-memory.dmp

Filesize
4KB

Download
memory/1908-129-0x00000000004376CE-mapping.dmp

Download
memory/1908-128-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1908-135-0x00000000056B0000-0x0000000005BAE000-memory.dmp

Filesize
5.0MB

Download
memory/1908-136-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/1908-137-0x00000000062A0000-0x00000000062A1000-memory.dmp

Filesize
4KB

Download
memory/1908-140-0x00000000056B0000-0x0000000005BAE000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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