agenttesla | 2916023a634aa57933f9bc8efe3e51e2da70bd0fecb2f8565dece272535a6de8

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 01:19

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General

Target

PO Invoice XJ210821Q.PDF.exe
Size

664KB
MD5

ec1d27d0c50590f58a3d43b8b979e4dc
SHA1

bb6768eec71bd66c50a94b21cdd059994dc264b3
SHA256

c17e06753e71aa66826658cc44f2e620b39d0e52b26d7dc5747ad5966f0ae0a3
SHA512

2bf4090a6bc11e8a5b2055752a51d008aedd7f4dc3483282194b9666f19840ababa805aa18dfccf6d994d46ddf4503e5abed7201556b6388d38af93e6c890aa1
SSDEEP

12288:LhdPAcO4nEOS405ZbvTAuWelX2QqycJGD7uoj6C/e8bQbGsxykR:LvlS405PX2QqRGD7u/ClIGoB

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.libreriagandhi.cl
Port:
21
Username:
[email protected]
Password:
x6p2^m#1#~+O

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.libreriagandhi.cl
Port:
21
Username:
[email protected]
Password:
x6p2^m#1#~+O

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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4696	powershell.exe
3108	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	PO Invoice XJ210821Q.PDF.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
24	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95

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 5 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	PO Invoice XJ210821Q.PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	PO Invoice XJ210821Q.PDF.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
3636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1552	PO Invoice XJ210821Q.PDF.exe
1552	PO Invoice XJ210821Q.PDF.exe
1552	PO Invoice XJ210821Q.PDF.exe
1552	PO Invoice XJ210821Q.PDF.exe
1552	PO Invoice XJ210821Q.PDF.exe
1552	PO Invoice XJ210821Q.PDF.exe
4696	powershell.exe
3108	powershell.exe
1552	PO Invoice XJ210821Q.PDF.exe
4988	PO Invoice XJ210821Q.PDF.exe
4988	PO Invoice XJ210821Q.PDF.exe
3108	powershell.exe
4696	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	PO Invoice XJ210821Q.PDF.exe
Token: SeDebugPrivilege	3108	powershell.exe
Token: SeDebugPrivilege	4696	powershell.exe
Token: SeDebugPrivilege	4988	PO Invoice XJ210821Q.PDF.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 3108	1552	PO Invoice XJ210821Q.PDF.exe	89
PID 1552 wrote to memory of 3108	1552	PO Invoice XJ210821Q.PDF.exe	89
PID 1552 wrote to memory of 3108	1552	PO Invoice XJ210821Q.PDF.exe	89
PID 1552 wrote to memory of 4696	1552	PO Invoice XJ210821Q.PDF.exe	91
PID 1552 wrote to memory of 4696	1552	PO Invoice XJ210821Q.PDF.exe	91
PID 1552 wrote to memory of 4696	1552	PO Invoice XJ210821Q.PDF.exe	91
PID 1552 wrote to memory of 3636	1552	PO Invoice XJ210821Q.PDF.exe	93
PID 1552 wrote to memory of 3636	1552	PO Invoice XJ210821Q.PDF.exe	93
PID 1552 wrote to memory of 3636	1552	PO Invoice XJ210821Q.PDF.exe	93
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95
PID 1552 wrote to memory of 4988	1552	PO Invoice XJ210821Q.PDF.exe	95

C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.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:1552
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3108
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FBEgLGhUrO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FBEgLGhUrO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC87.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3636
- C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4988

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\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
41346218f3f1a14e75e4a16143e6cabc

SHA1
bc21d30dd8915e02078aa29e9f6725de90240688

SHA256
231adc4f5112565929b8b0a77e9d9f2b349f4603ee02c766464cab3cc7658f57

SHA512
b66e8b01e6ea7a14dcf2789c1bb443157220cdd4cb2437af6f83149c85a5f430e37c69632da61e99a7e624e869f47bec0e30612257f34bd5d48540d80394f5d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d24ch0gb.3sr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCC87.tmp

Filesize
1KB

MD5
fe051cbd549fb38ac5f5dc735ffde6da

SHA1
25c7c595dfaaffd88f1816aec1a220df3218da9e

SHA256
c22f71d6f42c07f51d0c3b49a2ed22021cf6776bdc216b937ce53aa178b1134c

SHA512
20d4f7180ac9aaf787afe71a49c5c5e90d58d7b63ade07d87124db18c87322ccfa8ee6161184b3a60ee1cca7bc6d47aa2005451befd9df427e9928b6139babc6

Download Submit
memory/1552-4-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/1552-5-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/1552-6-0x0000000005570000-0x0000000005582000-memory.dmp

Filesize
72KB

Download
memory/1552-7-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/1552-8-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/1552-9-0x0000000008FB0000-0x0000000009034000-memory.dmp

Filesize
528KB

Download
memory/1552-10-0x000000000B800000-0x000000000B89C000-memory.dmp

Filesize
624KB

Download
memory/1552-3-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/1552-2-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/1552-48-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/1552-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/1552-1-0x00000000008C0000-0x0000000000968000-memory.dmp

Filesize
672KB

Download
memory/3108-25-0x00000000062A0000-0x00000000065F4000-memory.dmp

Filesize
3.3MB

Download
memory/3108-62-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

Filesize
120KB

Download
memory/3108-89-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3108-15-0x0000000002F10000-0x0000000002F46000-memory.dmp

Filesize
216KB

Download
memory/3108-16-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3108-31-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3108-81-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

Filesize
104KB

Download
memory/3108-79-0x0000000007D90000-0x0000000007D9E000-memory.dmp

Filesize
56KB

Download
memory/3108-18-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/3108-77-0x0000000007DE0000-0x0000000007E76000-memory.dmp

Filesize
600KB

Download
memory/3108-17-0x0000000005B90000-0x00000000061B8000-memory.dmp

Filesize
6.2MB

Download
memory/3108-49-0x0000000006840000-0x000000000685E000-memory.dmp

Filesize
120KB

Download
memory/3108-50-0x0000000006BB0000-0x0000000006BFC000-memory.dmp

Filesize
304KB

Download
memory/3108-51-0x0000000006E00000-0x0000000006E32000-memory.dmp

Filesize
200KB

Download
memory/3108-52-0x0000000071320000-0x000000007136C000-memory.dmp

Filesize
304KB

Download
memory/3108-76-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/3108-75-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/3108-73-0x0000000007A20000-0x0000000007AC3000-memory.dmp

Filesize
652KB

Download
memory/3108-74-0x00000000081B0000-0x000000000882A000-memory.dmp

Filesize
6.5MB

Download
memory/4696-21-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/4696-22-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/4696-78-0x0000000007B90000-0x0000000007BA1000-memory.dmp

Filesize
68KB

Download
memory/4696-36-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/4696-80-0x0000000007BD0000-0x0000000007BE4000-memory.dmp

Filesize
80KB

Download
memory/4696-63-0x0000000071320000-0x000000007136C000-memory.dmp

Filesize
304KB

Download
memory/4696-82-0x0000000007CB0000-0x0000000007CB8000-memory.dmp

Filesize
32KB

Download
memory/4696-24-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/4696-19-0x00000000056A0000-0x00000000056C2000-memory.dmp

Filesize
136KB

Download
memory/4696-90-0x0000000074C50000-0x0000000075400000-memory.dmp

Filesize
7.7MB

Download
memory/4696-20-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/4988-42-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4988-91-0x0000000006B80000-0x0000000006BD0000-memory.dmp

Filesize
320KB

Download