agenttesla | 00c221397492400a9c49bd46074f4bcd123a0159351f75047ae77afccbf590e2

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2023, 11:32

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General

Target

PO#006543678.exe
Size

805KB
MD5

f8cb5d6d15cc29e2fa8f5fa441440ab1
SHA1

4c4d0691d1921bddecaffc6a969e4c992a1b0022
SHA256

faaa913f0d90b0848bb2ccb743fc3f14d93c21c0085b569dac67cbc14273624f
SHA512

a616a717ee6638cf8344a63d48fcf2ffe0f02ce20f47b30f23c40abe45d2c6c2648b70addb13ae14f3468bd9813337441a8ad3873ab34e178021ce450891a19e
SSDEEP

24576:NUOPypIzgWUgZxIo6aqApySa+m3mHl67BnrE:NUOPypIzDUex79rpyiErE

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sgbumperscar.com
Port:
587
Username:
[email protected]
Password:
tien3012m
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Control Panel\International\Geo\Nation	PO#006543678.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#006543678.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#006543678.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#006543678.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
39	api.ipify.org
40	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 3912	4680	PO#006543678.exe	95

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

pid	Process
1888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4680	PO#006543678.exe
4680	PO#006543678.exe
4680	PO#006543678.exe
2868	powershell.exe
4680	PO#006543678.exe
3912	PO#006543678.exe
3912	PO#006543678.exe
2868	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4680	PO#006543678.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	3912	PO#006543678.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3912	PO#006543678.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 2868	4680	PO#006543678.exe	90
PID 4680 wrote to memory of 2868	4680	PO#006543678.exe	90
PID 4680 wrote to memory of 2868	4680	PO#006543678.exe	90
PID 4680 wrote to memory of 1888	4680	PO#006543678.exe	92
PID 4680 wrote to memory of 1888	4680	PO#006543678.exe	92
PID 4680 wrote to memory of 1888	4680	PO#006543678.exe	92
PID 4680 wrote to memory of 3688	4680	PO#006543678.exe	94
PID 4680 wrote to memory of 3688	4680	PO#006543678.exe	94
PID 4680 wrote to memory of 3688	4680	PO#006543678.exe	94
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95
PID 4680 wrote to memory of 3912	4680	PO#006543678.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#006543678.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#006543678.exe

C:\Users\Admin\AppData\Local\Temp\PO#006543678.exe
"C:\Users\Admin\AppData\Local\Temp\PO#006543678.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GdurgpRch.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2868
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GdurgpRch" /XML "C:\Users\Admin\AppData\Local\Temp\tmp500F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1888
- C:\Users\Admin\AppData\Local\Temp\PO#006543678.exe
  "C:\Users\Admin\AppData\Local\Temp\PO#006543678.exe"
  2⤵
  PID:3688
- C:\Users\Admin\AppData\Local\Temp\PO#006543678.exe
  "C:\Users\Admin\AppData\Local\Temp\PO#006543678.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3912

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cg5jaejj.n3n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp500F.tmp

Filesize
1KB

MD5
01a9eea9fed35baa86aeaa41597e4147

SHA1
235770b7c1b550bb7ecda62aa755d01a3cd4ae92

SHA256
5c0e4c93b8ba9308d79b69fb3dd641430704f20c1e66eb8f392720baa8a6be84

SHA512
e855ff5ddd239d473390f956de32704305f48877d762fe39d31ff936b03fdc344fac85bb559a78a0a4ef554df09bfb8813e6ae2aedfb7c0c4d6afb42ea5fb4e7

Download Submit
memory/2868-29-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/2868-52-0x0000000007900000-0x000000000791A000-memory.dmp

Filesize
104KB

Download
memory/2868-63-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2868-60-0x0000000007C40000-0x0000000007C48000-memory.dmp

Filesize
32KB

Download
memory/2868-59-0x0000000007C50000-0x0000000007C6A000-memory.dmp

Filesize
104KB

Download
memory/2868-58-0x0000000007B50000-0x0000000007B5E000-memory.dmp

Filesize
56KB

Download
memory/2868-57-0x0000000002CD0000-0x0000000002CE0000-memory.dmp

Filesize
64KB

Download
memory/2868-13-0x0000000002CE0000-0x0000000002D16000-memory.dmp

Filesize
216KB

Download
memory/2868-14-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2868-56-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2868-17-0x0000000002CD0000-0x0000000002CE0000-memory.dmp

Filesize
64KB

Download
memory/2868-15-0x0000000002CD0000-0x0000000002CE0000-memory.dmp

Filesize
64KB

Download
memory/2868-18-0x0000000005910000-0x0000000005F38000-memory.dmp

Filesize
6.2MB

Download
memory/2868-55-0x0000000007B80000-0x0000000007C16000-memory.dmp

Filesize
600KB

Download
memory/2868-53-0x0000000007970000-0x000000000797A000-memory.dmp

Filesize
40KB

Download
memory/2868-51-0x0000000007F40000-0x00000000085BA000-memory.dmp

Filesize
6.5MB

Download
memory/2868-23-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download
memory/2868-50-0x0000000006BB0000-0x0000000006BCE000-memory.dmp

Filesize
120KB

Download
memory/2868-39-0x00000000075B0000-0x00000000075E2000-memory.dmp

Filesize
200KB

Download
memory/2868-38-0x000000007F710000-0x000000007F720000-memory.dmp

Filesize
64KB

Download
memory/2868-40-0x0000000070A80000-0x0000000070ACC000-memory.dmp

Filesize
304KB

Download
memory/2868-36-0x0000000005370000-0x000000000538E000-memory.dmp

Filesize
120KB

Download
memory/2868-37-0x0000000002CD0000-0x0000000002CE0000-memory.dmp

Filesize
64KB

Download
memory/3912-27-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3912-65-0x0000000005560000-0x0000000005570000-memory.dmp

Filesize
64KB

Download
memory/3912-35-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/3912-64-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3912-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3912-54-0x0000000006C00000-0x0000000006C50000-memory.dmp

Filesize
320KB

Download
memory/3912-30-0x0000000005560000-0x0000000005570000-memory.dmp

Filesize
64KB

Download
memory/4680-2-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/4680-0-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4680-1-0x0000000000140000-0x0000000000210000-memory.dmp

Filesize
832KB

Download
memory/4680-8-0x000000000A2A0000-0x000000000A33C000-memory.dmp

Filesize
624KB

Download
memory/4680-7-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/4680-6-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4680-5-0x0000000004C80000-0x0000000004C8A000-memory.dmp

Filesize
40KB

Download
memory/4680-4-0x0000000004B70000-0x0000000004B80000-memory.dmp

Filesize
64KB

Download
memory/4680-28-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/4680-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp

Filesize
584KB

Download