agenttesla | 6ed0086221a2f3c43f5ec500d2e8db20897728b7a0cca54f0ebe308ee6a2d856

General

Target

Pro.invoice-0656.exe
Size

665KB
MD5

8af807e3bb7ebb62b9cb17d237b6775a
SHA1

b59155ec49a8d6919d554cc86940d8be3dcc55c4
SHA256

5c17ad97be2e3d64846a0150594f54a6fc033e68b511a0a2e7fa0469306745ec
SHA512

b1bed0014a0e6730a3f56aee9754fcbf6cdca5190e815b9283489ff6302ccda03f337e474e660dfa5dbd417190be4405f64389042a53e8a77c1768954cc8e5d2
SSDEEP

12288:t2gzLNqGFtvuUkAThUBES9NFC+XGTiFlz9T1yV4A0pOTI:t9xvAATCBEUrCzTi/zqV4A

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
VuVW%xY7ceo

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/4408-17-0x0000000000400000-0x000000000043C000-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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Pro.invoice-0656.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3208 set thread context of 4408	3208	Pro.invoice-0656.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	Pro.invoice-0656.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
5000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3208	Pro.invoice-0656.exe
4408	RegSvcs.exe
4408	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3208	Pro.invoice-0656.exe
Token: SeDebugPrivilege	4408	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 5000	3208	Pro.invoice-0656.exe	99
PID 3208 wrote to memory of 5000	3208	Pro.invoice-0656.exe	99
PID 3208 wrote to memory of 5000	3208	Pro.invoice-0656.exe	99
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101
PID 3208 wrote to memory of 4408	3208	Pro.invoice-0656.exe	101

C:\Users\Admin\AppData\Local\Temp\Pro.invoice-0656.exe
"C:\Users\Admin\AppData\Local\Temp\Pro.invoice-0656.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:3208
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vYyYCSmCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADBF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5000
- 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:4408

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

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Downloads

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

Filesize
1KB

MD5
0a503ca145d1774b239423864ce124c8

SHA1
d271cb88234a8f83df4e8211bac784bef42b1cce

SHA256
db1352264e41f8d603a7de4cb42790b74ce75095eb7efdc6c27d821299d9d3c0

SHA512
71dca73386383b3f3d11d0436b8001874bb195a58ecb6e4bc38bece5d47affd3eaa412954629c796001b69ea6257d1feafbd268c08c937076123c153bfc7ffb4

Download Submit
memory/3208-10-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-2-0x0000000004C60000-0x0000000004CFC000-memory.dmp

Filesize
624KB

Download
memory/3208-3-0x00000000052B0000-0x0000000005854000-memory.dmp

Filesize
5.6MB

Download
memory/3208-4-0x0000000004D00000-0x0000000004D92000-memory.dmp

Filesize
584KB

Download
memory/3208-5-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

Filesize
40KB

Download
memory/3208-6-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-7-0x0000000004E90000-0x0000000004EE6000-memory.dmp

Filesize
344KB

Download
memory/3208-8-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Filesize
40KB

Download
memory/3208-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/3208-9-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/3208-20-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3208-1-0x0000000000190000-0x000000000023C000-memory.dmp

Filesize
688KB

Download
memory/3208-11-0x0000000000B30000-0x0000000000B9C000-memory.dmp

Filesize
432KB

Download
memory/4408-19-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4408-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4408-21-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4408-22-0x00000000067A0000-0x00000000067B8000-memory.dmp

Filesize
96KB

Download
memory/4408-23-0x0000000006850000-0x00000000068B6000-memory.dmp

Filesize
408KB

Download
memory/4408-24-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/4408-25-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads