agenttesla | faf02d9acd5877e620c4fb200895a1306a555baedc6b5e7072a4928a1a39a20a

Analysis

max time kernel
75s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20231201-en
resource tags

arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2023 07:07

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General

Target

PDF.exe
Size

711KB
MD5

72974b75ad00da73e07b976b73c5afb6
SHA1

094208c0eedb674553d1b7c0a99e46599d75acff
SHA256

faf02d9acd5877e620c4fb200895a1306a555baedc6b5e7072a4928a1a39a20a
SHA512

e708b48b2fabbe96eb78e0021dba6acb63078c413a0ad9063f6204c36357a867da9e883e02f7c1def0a5a6ec7a2596cfedda715beb483691b4434725f440d851
SSDEEP

12288:j/bwLijBoKwyg+ldzxhPD4eu6fvLSReBFmPbSCcWCODgNjsyrroyVMx:jDKzyjlntS6GReuVvDgNjsyno

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mailo.com
Port:
587
Username:
[email protected]
Password:
Bignosa1995
Email To:
[email protected]

Signatures

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

Processes:

PDF.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2192493100-457715857-1189582111-1000\Control Panel\International\Geo\Nation PDF.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 2 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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

13 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PDF.exe

description pid process target process

PID 4804 set thread context of 3268 4804 PDF.exe PDF.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3988 schtasks.exe
Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

PDF.exepowershell.exePDF.exe

pid process

4804 PDF.exe
4804 PDF.exe
4804 PDF.exe
4804 PDF.exe
4804 PDF.exe
4804 PDF.exe
4804 PDF.exe
2400 powershell.exe
3268 PDF.exe
3268 PDF.exe
2400 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PDF.exepowershell.exePDF.exe

description pid process

Token: SeDebugPrivilege 4804 PDF.exe
Token: SeDebugPrivilege 2400 powershell.exe
Token: SeDebugPrivilege 3268 PDF.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PDF.exe

pid process

3268 PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2192493100-457715857-1189582111-1000\Control Panel\International\Geo\Nation	PDF.exe

flow	ioc
13	api.ipify.org

description	pid	process	target process
PID 4804 set thread context of 3268	4804	PDF.exe	PDF.exe

pid	process
3988	schtasks.exe

pid	process
4804	PDF.exe
4804	PDF.exe
4804	PDF.exe
4804	PDF.exe
4804	PDF.exe
4804	PDF.exe
4804	PDF.exe
2400	powershell.exe
3268	PDF.exe
3268	PDF.exe
2400	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4804	PDF.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	3268	PDF.exe

pid	process
3268	PDF.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PDF.exe

description	pid	process	target process
PID 4804 wrote to memory of 2400	4804	PDF.exe	powershell.exe
PID 4804 wrote to memory of 2400	4804	PDF.exe	powershell.exe
PID 4804 wrote to memory of 2400	4804	PDF.exe	powershell.exe
PID 4804 wrote to memory of 3988	4804	PDF.exe	schtasks.exe
PID 4804 wrote to memory of 3988	4804	PDF.exe	schtasks.exe
PID 4804 wrote to memory of 3988	4804	PDF.exe	schtasks.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe
PID 4804 wrote to memory of 3268	4804	PDF.exe	PDF.exe

C:\Users\Admin\AppData\Local\Temp\PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YBGbQTeOWq.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YBGbQTeOWq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpACBB.tmp"
2⤵
- Creates scheduled task(s)
PID:3988

C:\Users\Admin\AppData\Local\Temp\PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

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\PDF.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kdqk55gh.jan.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1KB

MD5
14e8a1edddef68084fa505a0e189418a

SHA1
dc03133c76e7ea68681f5d4b8fd50e603fcffddb

SHA256
2eacc03343f30dc4b142c897ce6f060a2640e20833f30c6324e73093df274a64

SHA512
0ef161302c250ccb4eef8dfdda70d5cc664e9a93945d3634cddd1a8dcfd8b451e768ea27855da64661e2d7caab4c2371ad7bfa2d9784a066748d0da92cbe7f69

Download Submit
memory/2400-58-0x0000000008220000-0x000000000889A000-memory.dmp

Filesize
6.5MB

Download
memory/2400-59-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

Filesize
104KB

Download
memory/2400-69-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/2400-66-0x0000000007F00000-0x0000000007F08000-memory.dmp

Filesize
32KB

Download
memory/2400-65-0x0000000007F20000-0x0000000007F3A000-memory.dmp

Filesize
104KB

Download
memory/2400-64-0x0000000007E20000-0x0000000007E34000-memory.dmp

Filesize
80KB

Download
memory/2400-63-0x0000000007E10000-0x0000000007E1E000-memory.dmp

Filesize
56KB

Download
memory/2400-62-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

Filesize
68KB

Download
memory/2400-61-0x0000000007E60000-0x0000000007EF6000-memory.dmp

Filesize
600KB

Download
memory/2400-60-0x0000000007C50000-0x0000000007C5A000-memory.dmp

Filesize
40KB

Download
memory/2400-18-0x0000000002FB0000-0x0000000002FE6000-memory.dmp

Filesize
216KB

Download
memory/2400-17-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/2400-19-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/2400-21-0x0000000005BE0000-0x0000000006208000-memory.dmp

Filesize
6.2MB

Download
memory/2400-57-0x0000000007A90000-0x0000000007B33000-memory.dmp

Filesize
652KB

Download
memory/2400-56-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/2400-39-0x0000000006420000-0x0000000006486000-memory.dmp

Filesize
408KB

Download
memory/2400-55-0x0000000006E60000-0x0000000006E7E000-memory.dmp

Filesize
120KB

Download
memory/2400-45-0x00000000713E0000-0x000000007142C000-memory.dmp

Filesize
304KB

Download
memory/2400-44-0x0000000006E80000-0x0000000006EB2000-memory.dmp

Filesize
200KB

Download
memory/2400-27-0x0000000005AF0000-0x0000000005B12000-memory.dmp

Filesize
136KB

Download
memory/2400-37-0x0000000006380000-0x00000000063E6000-memory.dmp

Filesize
408KB

Download
memory/2400-40-0x00000000065D0000-0x0000000006924000-memory.dmp

Filesize
3.3MB

Download
memory/2400-43-0x000000007F5C0000-0x000000007F5D0000-memory.dmp

Filesize
64KB

Download
memory/2400-42-0x0000000006950000-0x000000000699C000-memory.dmp

Filesize
304KB

Download
memory/2400-41-0x0000000006360000-0x000000000637E000-memory.dmp

Filesize
120KB

Download
memory/3268-71-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/3268-72-0x00000000027F0000-0x0000000002800000-memory.dmp

Filesize
64KB

Download
memory/3268-38-0x00000000027F0000-0x0000000002800000-memory.dmp

Filesize
64KB

Download
memory/3268-70-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/3268-25-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/3268-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4804-26-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4804-8-0x0000000001240000-0x000000000124A000-memory.dmp

Filesize
40KB

Download
memory/4804-4-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download
memory/4804-3-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/4804-2-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/4804-1-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4804-9-0x0000000006970000-0x00000000069EA000-memory.dmp

Filesize
488KB

Download
memory/4804-0-0x00000000007F0000-0x00000000008A8000-memory.dmp

Filesize
736KB

Download
memory/4804-7-0x0000000005860000-0x0000000005866000-memory.dmp

Filesize
24KB

Download
memory/4804-6-0x0000000005640000-0x0000000005658000-memory.dmp

Filesize
96KB

Download
memory/4804-5-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download
memory/4804-11-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/4804-10-0x0000000006A90000-0x0000000006B2C000-memory.dmp

Filesize
624KB

Download
memory/4804-12-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download