agenttesla | 5a6473afa5eb4f04eb5fa442198a90c27fbc9da2582e51bc070870cfeb3ba669

General

Target

POOED20201366.exe
Size

422KB
MD5

fcbf7204db1e0beed9d269641d65f957
SHA1

885ee8f82104912ab6392cbe397c88bb01f1d263
SHA256

89832aeecfac3c9bd0c972fd727f0987054e2c501aaf40b61c4843e2923d2869
SHA512

a407023bfbdc666361b1e71a8462b02644dc1fb47af5af87d7465c173286ab40c089b199cfa10d6401f8b8cea0d27dd96ee33570dde12418d70d3a20ccbfd7a0

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.greenslr.com
Port:
587
Username:
[email protected]
Password:
)HdurgF2

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/232-136-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

POOED20201366.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	POOED20201366.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

POOED20201366.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POOED20201366.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POOED20201366.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POOED20201366.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

POOED20201366.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	POOED20201366.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

POOED20201366.exe

description pid process target process

PID 1888 set thread context of 232 1888 POOED20201366.exe POOED20201366.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

3164 schtasks.exe

description	pid	process	target process
PID 1888 set thread context of 232	1888	POOED20201366.exe	POOED20201366.exe

pid	process
3164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

POOED20201366.exePOOED20201366.exe

pid	process
1888	POOED20201366.exe
1888	POOED20201366.exe
1888	POOED20201366.exe
1888	POOED20201366.exe
1888	POOED20201366.exe
1888	POOED20201366.exe
232	POOED20201366.exe
232	POOED20201366.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

POOED20201366.exePOOED20201366.exe

description pid process

Token: SeDebugPrivilege 1888 POOED20201366.exe
Token: SeDebugPrivilege 232 POOED20201366.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

POOED20201366.exe

pid process

232 POOED20201366.exe

description	pid	process
Token: SeDebugPrivilege	1888	POOED20201366.exe
Token: SeDebugPrivilege	232	POOED20201366.exe

pid	process
232	POOED20201366.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

POOED20201366.exePOOED20201366.exe

description	pid	process	target process
PID 1888 wrote to memory of 3164	1888	POOED20201366.exe	schtasks.exe
PID 1888 wrote to memory of 3164	1888	POOED20201366.exe	schtasks.exe
PID 1888 wrote to memory of 3164	1888	POOED20201366.exe	schtasks.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 1888 wrote to memory of 232	1888	POOED20201366.exe	POOED20201366.exe
PID 232 wrote to memory of 5028	232	POOED20201366.exe	netsh.exe
PID 232 wrote to memory of 5028	232	POOED20201366.exe	netsh.exe
PID 232 wrote to memory of 5028	232	POOED20201366.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

POOED20201366.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POOED20201366.exe

outlook_win_path 1 IoCs

Processes:

POOED20201366.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POOED20201366.exe

C:\Users\Admin\AppData\Local\Temp\POOED20201366.exe
"C:\Users\Admin\AppData\Local\Temp\POOED20201366.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vqtzTLHhWYa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5FF2.tmp"
2⤵
- Creates scheduled task(s)
PID:3164

C:\Users\Admin\AppData\Local\Temp\POOED20201366.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:232

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:5028

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

Query Registry

1

T1012

System Information Discovery

2

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\POOED20201366.exe.log
Filesize
412B

MD5
ad1c7f6525cfeb54c0487efd38b0e26c

SHA1
ed3da94723ac7e3828a9e93d68418bb810592f3b

SHA256
0a534a3d0fa82e6a427164c5f6e702cac7e4afc9967af9bc5ddba4f84ab33276

SHA512
48d625e6be5391d91d95c2850226fe39bb2411cb72139797699cfe126e6b066182e83950a8ea67e63b64a66b0d45f58d8bc97cab0363d55c2fd88c0d1d28009c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5FF2.tmp
Filesize
1KB

MD5
e145347b960af25f36f126b5936722e4

SHA1
cbb5cce51f4795b0c236f94c4cf0cc3a7bc4614e

SHA256
e0636cddba2dc619182e3ee6376b05cfdfd601159a5871e518fd11f2bfd2d287

SHA512
54608aad752c7e9b80459706ac07ff03800b219f21c003db6aeedde713933e92de449f2532858d2a02217911bbf09befdf0cd6c8b5a6ea92c8f63dc782505b37

Download Submit
memory/232-139-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/232-135-0x0000000000000000-mapping.dmp

Download
memory/232-136-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/232-138-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/232-140-0x0000000006520000-0x0000000006570000-memory.dmp

Filesize
320KB

Download
memory/232-142-0x0000000006880000-0x000000000688A000-memory.dmp

Filesize
40KB

Download
memory/1888-132-0x0000000005AE0000-0x0000000005B72000-memory.dmp

Filesize
584KB

Download
memory/1888-131-0x00000000059A0000-0x0000000005A3C000-memory.dmp

Filesize
624KB

Download
memory/1888-130-0x0000000000C50000-0x0000000000CC0000-memory.dmp

Filesize
448KB

Download
memory/3164-133-0x0000000000000000-mapping.dmp

Download
memory/5028-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads