agenttesla | c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 02:18

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General

Target

c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
Size

644KB
MD5

2302cf686c86a5fcf0de2ce81639e02f
SHA1

d3021a6df4ec281a32a8dabfba2713afce909b82
SHA256

c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3
SHA512

f93efc3241a7106bbf86010ba9aa6ee923f81c231b3c53aae6b01e86e3128fce136bc41faebdf049c5093448dbc6c6559564348a8573e0af8b75d58bf635bf8d
SSDEEP

12288:wUSW0SrcZORsx63041JJOrOcmGvDwzUawF3H6dBMBLde1HsMwP4p5PkR:uW0SEx63f13OrPnaK3YMBc1H75K

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
u;4z3V.Iir1l

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
u;4z3V.Iir1l

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2720	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	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe

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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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
23	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.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 4 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	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.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
4156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
2720	powershell.exe
2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
4600	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
4600	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
2720	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	4600	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2720	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	97
PID 2708 wrote to memory of 2720	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	97
PID 2708 wrote to memory of 2720	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	97
PID 2708 wrote to memory of 4156	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	99
PID 2708 wrote to memory of 4156	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	99
PID 2708 wrote to memory of 4156	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	99
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101
PID 2708 wrote to memory of 4600	2708	c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe	101

C:\Users\Admin\AppData\Local\Temp\c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
"C:\Users\Admin\AppData\Local\Temp\c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.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:2708
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bqkYjAmCJyUE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bqkYjAmCJyUE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6B9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4156
- C:\Users\Admin\AppData\Local\Temp\c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe
  "C:\Users\Admin\AppData\Local\Temp\c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c12ecca79747db3f47b548b79fe0efc40e048fd1f430ec2e2fd9eccd6bcc8ec3.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a2ebpapf.pii.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD6B9.tmp

Filesize
1KB

MD5
c41db343637b0008963d5e706133beef

SHA1
efa6f198392927d93a058c8dfd8614aff91f33d6

SHA256
5c62b33a1642fb4d6d42a24905d1399198bba8fa687734c1c14ca8659b552221

SHA512
35edf3425bce2cbb6ff38380471b8b8e853cec0630f31e2c03ccc0357d199f3df38fe460549a5eb78085271e376f7c3b720b82b57bac2b3f2dcbf3becf95a721

Download Submit
memory/2708-6-0x0000000005810000-0x00000000058AC000-memory.dmp

Filesize
624KB

Download
memory/2708-5-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2708-4-0x0000000005760000-0x000000000576A000-memory.dmp

Filesize
40KB

Download
memory/2708-3-0x0000000005650000-0x00000000056E2000-memory.dmp

Filesize
584KB

Download
memory/2708-7-0x0000000005AB0000-0x0000000005AC2000-memory.dmp

Filesize
72KB

Download
memory/2708-8-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2708-9-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2708-10-0x00000000073C0000-0x0000000007444000-memory.dmp

Filesize
528KB

Download
memory/2708-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2708-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/2708-28-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2708-1-0x0000000000B30000-0x0000000000BD4000-memory.dmp

Filesize
656KB

Download
memory/2720-15-0x0000000002360000-0x0000000002396000-memory.dmp

Filesize
216KB

Download
memory/2720-52-0x0000000006210000-0x000000000622E000-memory.dmp

Filesize
120KB

Download
memory/2720-66-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2720-20-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2720-25-0x0000000005640000-0x0000000005994000-memory.dmp

Filesize
3.3MB

Download
memory/2720-27-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2720-21-0x0000000004D40000-0x0000000004DA6000-memory.dmp

Filesize
408KB

Download
memory/2720-18-0x0000000004DE0000-0x0000000005408000-memory.dmp

Filesize
6.2MB

Download
memory/2720-19-0x0000000004CA0000-0x0000000004CC2000-memory.dmp

Filesize
136KB

Download
memory/2720-62-0x00000000072A0000-0x00000000072A8000-memory.dmp

Filesize
32KB

Download
memory/2720-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2720-39-0x0000000005C40000-0x0000000005C5E000-memory.dmp

Filesize
120KB

Download
memory/2720-40-0x0000000005CD0000-0x0000000005D1C000-memory.dmp

Filesize
304KB

Download
memory/2720-41-0x0000000006230000-0x0000000006262000-memory.dmp

Filesize
200KB

Download
memory/2720-42-0x0000000071260000-0x00000000712AC000-memory.dmp

Filesize
304KB

Download
memory/2720-22-0x0000000005410000-0x0000000005476000-memory.dmp

Filesize
408KB

Download
memory/2720-53-0x0000000006E30000-0x0000000006ED3000-memory.dmp

Filesize
652KB

Download
memory/2720-55-0x0000000006F80000-0x0000000006F9A000-memory.dmp

Filesize
104KB

Download
memory/2720-54-0x00000000075D0000-0x0000000007C4A000-memory.dmp

Filesize
6.5MB

Download
memory/2720-56-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

Filesize
40KB

Download
memory/2720-57-0x0000000007200000-0x0000000007296000-memory.dmp

Filesize
600KB

Download
memory/2720-58-0x0000000007180000-0x0000000007191000-memory.dmp

Filesize
68KB

Download
memory/2720-60-0x00000000071C0000-0x00000000071D4000-memory.dmp

Filesize
80KB

Download
memory/2720-59-0x00000000071B0000-0x00000000071BE000-memory.dmp

Filesize
56KB

Download
memory/2720-61-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/4600-35-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4600-64-0x0000000006C80000-0x0000000006CD0000-memory.dmp

Filesize
320KB

Download
memory/4600-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4600-67-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download