agenttesla | ea6a2787665f06612331c4967148471eba58a718177829627fda731ee9f6605c

General

Target

PURCHASE ORDER (PO.4029530).exe
Size

615KB
MD5

e080c630c1cff4bf3eed195aaa93b31d
SHA1

684f0dc565624af4d944b1d259173d329f4cef84
SHA256

aea7319d67789e4e524c4af9bcb842d66593a97dff25cb4be43eee5f5fb86963
SHA512

655aaf53d7d6320a42f1b078a62e3c700c2b2ccb5a7babb8898549c1b292152183f752f1d92f2617b6b016889b7b0ce43e6437b49bc5f7c77dd571fda3d17a32

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cortlandfire.org
Port:
587
Username:
[email protected]
Password:
UsMc2336

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/1204-63-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1204-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1204-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1204-66-0x0000000000460EDE-mapping.dmp	family_agenttesla
behavioral1/memory/1204-68-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1204-70-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PURCHASE ORDER (PO.4029530).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (PO.4029530).exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (PO.4029530).exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER (PO.4029530).exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PURCHASE ORDER (PO.4029530).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\DsWhv = "C:\\Users\\Admin\\AppData\\Roaming\\DsWhv\\DsWhv.exe"	PURCHASE ORDER (PO.4029530).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER (PO.4029530).exe

description pid process target process

PID 1988 set thread context of 1204 1988 PURCHASE ORDER (PO.4029530).exe PURCHASE ORDER (PO.4029530).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

1336 schtasks.exe

description	pid	process	target process
PID 1988 set thread context of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe

pid	process
1336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PURCHASE ORDER (PO.4029530).exePURCHASE ORDER (PO.4029530).exe

pid	process
1988	PURCHASE ORDER (PO.4029530).exe
1988	PURCHASE ORDER (PO.4029530).exe
1204	PURCHASE ORDER (PO.4029530).exe
1204	PURCHASE ORDER (PO.4029530).exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER (PO.4029530).exePURCHASE ORDER (PO.4029530).exe

description pid process

Token: SeDebugPrivilege 1988 PURCHASE ORDER (PO.4029530).exe
Token: SeDebugPrivilege 1204 PURCHASE ORDER (PO.4029530).exe

description	pid	process
Token: SeDebugPrivilege	1988	PURCHASE ORDER (PO.4029530).exe
Token: SeDebugPrivilege	1204	PURCHASE ORDER (PO.4029530).exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PURCHASE ORDER (PO.4029530).exe

description	pid	process	target process
PID 1988 wrote to memory of 1336	1988	PURCHASE ORDER (PO.4029530).exe	schtasks.exe
PID 1988 wrote to memory of 1336	1988	PURCHASE ORDER (PO.4029530).exe	schtasks.exe
PID 1988 wrote to memory of 1336	1988	PURCHASE ORDER (PO.4029530).exe	schtasks.exe
PID 1988 wrote to memory of 1336	1988	PURCHASE ORDER (PO.4029530).exe	schtasks.exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe
PID 1988 wrote to memory of 1204	1988	PURCHASE ORDER (PO.4029530).exe	PURCHASE ORDER (PO.4029530).exe

outlook_office_path 1 IoCs

Processes:

PURCHASE ORDER (PO.4029530).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	PURCHASE ORDER (PO.4029530).exe

outlook_win_path 1 IoCs

Processes:

PURCHASE ORDER (PO.4029530).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	PURCHASE ORDER (PO.4029530).exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (PO.4029530).exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (PO.4029530).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\djlNlFkpBw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2878.tmp"
2⤵
- Creates scheduled task(s)
PID:1336

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (PO.4029530).exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2878.tmp

Filesize
1KB

MD5
6e2730062f9fe6e173343957938d53ee

SHA1
afd14490a0547185f1abd092447164f1b4a11732

SHA256
4ac5a4536adb504be08d3f865c06414c64afd783d4be533f8cd282cd751ec4fb

SHA512
1898451497d823dc1825f8920dc39cbf5bfc4cfd71749c5a3d0f059af291179225a815c0f2e03fe497d78110a9ee05bcb544b894704cf1cf43ae800eb033b93a

Download Submit
memory/1204-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1204-66-0x0000000000460EDE-mapping.dmp

Download
memory/1204-71-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1204-70-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1204-68-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1204-60-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1204-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1204-63-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1204-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1336-58-0x0000000000000000-mapping.dmp

Download
memory/1988-54-0x0000000001230000-0x00000000012D0000-memory.dmp

Filesize
640KB

Download
memory/1988-56-0x00000000049C0000-0x0000000004A4A000-memory.dmp

Filesize
552KB

Download
memory/1988-55-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/1988-57-0x0000000005490000-0x0000000005512000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads