agenttesla | 76fbcd12b4067240949298ef0a8a970788e15808985d7f8ac37660816558db49

General

Target

BL draft pdf.exe
Size

758KB
MD5

7e7f55f473bc65b1ec8faa71fcb79092
SHA1

5875cdb728cb9523060b9c96265c55427381ad31
SHA256

7d51edd0feeee939f61acbc7ba9271fc6d034095076929d866dc6285c44dd02b
SHA512

480b21afa715943de6d9193783d91d0b34c0980b4f40988b3f79add526b70142fe5f3a462544ce0aab1cb1f232c9c1304e46a69737fb1625ac7111138710a664
SSDEEP

12288:mZdvG9gsBqk1k4z2p6CNndyXVfdyZbWeHkxQUaUSJ8PA1um2Tetqx:2G9gsBKG2cCXQfdyFWQSOJoAZ2iA

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hermanusbearings.co.za
Port:
587
Username:
[email protected]
Password:
$Victory2019$

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1756-17-0x0000000000400000-0x000000000043C000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	BL draft pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 1756	2328	BL draft pdf.exe	101

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BL draft pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2328	BL draft pdf.exe
1756	RegSvcs.exe
1756	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	BL draft pdf.exe
Token: SeDebugPrivilege	1756	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2004	2328	BL draft pdf.exe	99
PID 2328 wrote to memory of 2004	2328	BL draft pdf.exe	99
PID 2328 wrote to memory of 2004	2328	BL draft pdf.exe	99
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101
PID 2328 wrote to memory of 1756	2328	BL draft pdf.exe	101

C:\Users\Admin\AppData\Local\Temp\BL draft pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BL draft pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qQlXxR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC53F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2004
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC53F.tmp

Filesize
1KB

MD5
68ba02f5128315ec8cf9626a88407c77

SHA1
6fcf7f791f4fcda1de7d42ac404c8903ad577df9

SHA256
96eeca83fa5371ad77d2e93e52f697ede236fcdf529b6e1e7ac4e057ace31672

SHA512
6fe23a41d2e4667f0f256d2c8f05c132e713e4696850fa43ec4eb2cdc2703320f8b16bc12dd1908b52e80faaf47a9def909d8eb5d3cad13897a15afe6bedcb7b

Download Submit
memory/1756-25-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/1756-24-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/1756-23-0x00000000066B0000-0x0000000006716000-memory.dmp

Filesize
408KB

Download
memory/1756-22-0x0000000005940000-0x0000000005958000-memory.dmp

Filesize
96KB

Download
memory/1756-21-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/1756-19-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/1756-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2328-10-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/2328-9-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/2328-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/2328-11-0x0000000001720000-0x000000000178A000-memory.dmp

Filesize
424KB

Download
memory/2328-8-0x0000000005A90000-0x0000000005A9A000-memory.dmp

Filesize
40KB

Download
memory/2328-7-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/2328-6-0x0000000005AB0000-0x0000000005B06000-memory.dmp

Filesize
344KB

Download
memory/2328-20-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/2328-5-0x0000000005850000-0x000000000585A000-memory.dmp

Filesize
40KB

Download
memory/2328-4-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/2328-3-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/2328-2-0x0000000005730000-0x00000000057CC000-memory.dmp

Filesize
624KB

Download
memory/2328-1-0x0000000000CE0000-0x0000000000DA4000-memory.dmp

Filesize
784KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads