agenttesla | 544ea4ae765375b12e2beb3513af866d85a2036ab0fa4c8b7f1d43d4c9b0197a

General

Target

VHE220012A.exe
Size

598KB
MD5

128815dc37869ffe813dc60db2b9eac0
SHA1

1dd3e66b7f9a69cb8c687bfe354f7fdef7c9f4d5
SHA256

544ea4ae765375b12e2beb3513af866d85a2036ab0fa4c8b7f1d43d4c9b0197a
SHA512

1efa8814adf13c0d85c18ac0809c4830896708fc5aedb0ae9e06cf4cb523654e3c137d029232a1e3e02ed13326e68765c70d2f7dc08b32945a3bb0cc4800cb26
SSDEEP

12288:6zzEw/4lisp3Z7i/H9eLtZhXNH85GjuQAtkNha9UCABfUnX:6zzEw/4liMl8o7vHUGyWaNuUX

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.syindac.com
Port:
587
Username:
[email protected]
Password:
georgie@syindac*8987
Email To:
[email protected]

Signatures

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

VHE220012A.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	VHE220012A.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:

VHE220012A.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VHE220012A.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VHE220012A.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VHE220012A.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

VHE220012A.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe"	VHE220012A.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

29 api.ipify.org
30 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

VHE220012A.exe

description pid process target process

PID 4256 set thread context of 3680 4256 VHE220012A.exe VHE220012A.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

4444 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

VHE220012A.exeVHE220012A.exe

pid process

4256 VHE220012A.exe
3680 VHE220012A.exe
3680 VHE220012A.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

VHE220012A.exeVHE220012A.exe

description pid process

Token: SeDebugPrivilege 4256 VHE220012A.exe
Token: SeDebugPrivilege 3680 VHE220012A.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

VHE220012A.exe

pid process

3680 VHE220012A.exe

flow	ioc
29	api.ipify.org
30	api.ipify.org

description	pid	process	target process
PID 4256 set thread context of 3680	4256	VHE220012A.exe	VHE220012A.exe

pid	process
4444	schtasks.exe

pid	process
4256	VHE220012A.exe
3680	VHE220012A.exe
3680	VHE220012A.exe

description	pid	process
Token: SeDebugPrivilege	4256	VHE220012A.exe
Token: SeDebugPrivilege	3680	VHE220012A.exe

pid	process
3680	VHE220012A.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

VHE220012A.exe

description	pid	process	target process
PID 4256 wrote to memory of 4444	4256	VHE220012A.exe	schtasks.exe
PID 4256 wrote to memory of 4444	4256	VHE220012A.exe	schtasks.exe
PID 4256 wrote to memory of 4444	4256	VHE220012A.exe	schtasks.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe
PID 4256 wrote to memory of 3680	4256	VHE220012A.exe	VHE220012A.exe

outlook_office_path 1 IoCs

Processes:

VHE220012A.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VHE220012A.exe

outlook_win_path 1 IoCs

Processes:

VHE220012A.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	VHE220012A.exe

C:\Users\Admin\AppData\Local\Temp\VHE220012A.exe
"C:\Users\Admin\AppData\Local\Temp\VHE220012A.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4256

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BnDpTmTqqEiY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2078.tmp"
2⤵
- Creates scheduled task(s)
PID:4444

C:\Users\Admin\AppData\Local\Temp\VHE220012A.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3680

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\VHE220012A.exe.log
Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2078.tmp
Filesize
1KB

MD5
c63050937aa8e439929b5350814f528f

SHA1
0da53fd69638fcc0b82ac9485e7158e3f87f37d7

SHA256
4988adadc917237a37f8733734ac77b7bc17b8067b422852c1b1edc73be6fe4d

SHA512
a12d93e1b249195fe2f56e22d281402801d1def2353b9b81958d203c51cb38e5f2873bd099ccdd5a5a4c03c3482bac3270d9d1f5f2555b79827453cc920d9bb6

Download Submit
memory/3680-139-0x0000000000000000-mapping.dmp

Download
memory/3680-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3680-142-0x0000000006190000-0x00000000061F6000-memory.dmp

Filesize
408KB

Download
memory/3680-143-0x0000000006D90000-0x0000000006DE0000-memory.dmp

Filesize
320KB

Download
memory/4256-132-0x00000000004D0000-0x000000000056C000-memory.dmp

Filesize
624KB

Download
memory/4256-133-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/4256-134-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download
memory/4256-135-0x00000000050B0000-0x000000000514C000-memory.dmp

Filesize
624KB

Download
memory/4256-136-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/4444-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads