agenttesla | 7318815c5eed7085d6d336406e6c3255a23e255f5caa954b6b1b4549b7519701

Analysis

max time kernel
20s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2023 17:48

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General

Target

LAMCHUANQ710901.pdf.exe
Size

1024KB
MD5

8412a2cceb09519e18c3419df99efbad
SHA1

33fdcdd1ea11818c2928d80c52e786b0cca9e522
SHA256

7318815c5eed7085d6d336406e6c3255a23e255f5caa954b6b1b4549b7519701
SHA512

b81f90357485356ec5b678e19d41359db65e5b9f328a9d94d4d76fbecee5286cffbce4ce95c9dd7109044fe95b37abcfee6bae443930f22e5cc218808b849d8d
SSDEEP

24576:RBm634/up+pJtwFbGyArZTDOYDD/ckaCFUBkMIHpDqDDBi:RX38PJtw5Ag6D/6CFMkzpDH

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6439280362:AAFxJ6Gm_hfG3MYnjXvw0e4QQEIFTsOjkuk/

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:

LAMCHUANQ710901.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation	LAMCHUANQ710901.pdf.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.

Processes:

flow ioc

6 api.ipify.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1388 1732 WerFault.exe MSBuild.exe
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

656 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

LAMCHUANQ710901.pdf.exepowershell.exepowershell.exe

pid process

4352 LAMCHUANQ710901.pdf.exe
4352 LAMCHUANQ710901.pdf.exe
4592 powershell.exe
2004 powershell.exe

flow	ioc
6	api.ipify.org

pid	pid_target	process	target process
1388	1732	WerFault.exe	MSBuild.exe

pid	process
656	schtasks.exe

pid	process
4352	LAMCHUANQ710901.pdf.exe
4352	LAMCHUANQ710901.pdf.exe
4592	powershell.exe
2004	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

LAMCHUANQ710901.pdf.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4352	LAMCHUANQ710901.pdf.exe
Token: SeDebugPrivilege	4592	powershell.exe
Token: SeDebugPrivilege	2004	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

LAMCHUANQ710901.pdf.exe

description	pid	process	target process
PID 4352 wrote to memory of 2004	4352	LAMCHUANQ710901.pdf.exe	powershell.exe
PID 4352 wrote to memory of 2004	4352	LAMCHUANQ710901.pdf.exe	powershell.exe
PID 4352 wrote to memory of 2004	4352	LAMCHUANQ710901.pdf.exe	powershell.exe
PID 4352 wrote to memory of 4592	4352	LAMCHUANQ710901.pdf.exe	powershell.exe
PID 4352 wrote to memory of 4592	4352	LAMCHUANQ710901.pdf.exe	powershell.exe
PID 4352 wrote to memory of 4592	4352	LAMCHUANQ710901.pdf.exe	powershell.exe
PID 4352 wrote to memory of 656	4352	LAMCHUANQ710901.pdf.exe	schtasks.exe
PID 4352 wrote to memory of 656	4352	LAMCHUANQ710901.pdf.exe	schtasks.exe
PID 4352 wrote to memory of 656	4352	LAMCHUANQ710901.pdf.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\LAMCHUANQ710901.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\LAMCHUANQ710901.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352

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\LAMCHUANQ710901.pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mhkwArwcw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B0A.tmp"
2⤵
- Creates scheduled task(s)
PID:656

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mhkwArwcw.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4592

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 1252
3⤵
- Program crash
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1732 -ip 1732
1⤵
PID:384

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

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
793312ef8ebb998915663979bdf909bd

SHA1
f26333774e66b9f2141e3a0b09044932c72e58d5

SHA256
0def4365f379d5ff1eddc9b74e0fca2c239a4b4062eda317647004b8e6700fdd

SHA512
8682f2b59168a09519e452a95e674623aad6d3f1c2433b337bed150adbf9a163656a27604d855a615d49b2b917f0a5a4347e41847949432c5406ee67805b1b83

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xu1cwv2x.nio.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8B0A.tmp

Filesize
1KB

MD5
78813c2ea07ed9633959f731f47ece20

SHA1
3d04d1ed532793442d1970cbd0b285f3eb163c3e

SHA256
d9fae4b9066c1409959ad39421da34e43a3a308fcdf97c5d6df7bbfa59b1146d

SHA512
c778f78041880fc4df7bf70c04f3c6d53d9f4eb0a4c6351ef0b5331ab044f9d431795070aeddc90ffddfd8b07a248310f5a06e7a9a5d1c7ea4bb43544091b3ac

Download Submit
memory/1732-103-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1732-101-0x00000000027B0000-0x00000000027C0000-memory.dmp

Filesize
64KB

Download
memory/1732-100-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1732-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1732-49-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1732-52-0x00000000027B0000-0x00000000027C0000-memory.dmp

Filesize
64KB

Download
memory/2004-98-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/2004-15-0x0000000000900000-0x0000000000936000-memory.dmp

Filesize
216KB

Download
memory/2004-82-0x0000000004720000-0x0000000004730000-memory.dmp

Filesize
64KB

Download
memory/2004-85-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

Filesize
104KB

Download
memory/2004-83-0x0000000004720000-0x0000000004730000-memory.dmp

Filesize
64KB

Download
memory/2004-86-0x0000000006E30000-0x0000000006E3A000-memory.dmp

Filesize
40KB

Download
memory/2004-69-0x0000000070FD0000-0x000000007101C000-memory.dmp

Filesize
304KB

Download
memory/2004-81-0x000000007FAE0000-0x000000007FAF0000-memory.dmp

Filesize
64KB

Download
memory/2004-89-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

Filesize
56KB

Download
memory/2004-17-0x0000000004D60000-0x0000000005388000-memory.dmp

Filesize
6.2MB

Download
memory/2004-22-0x0000000004720000-0x0000000004730000-memory.dmp

Filesize
64KB

Download
memory/2004-18-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/2004-19-0x0000000004720000-0x0000000004730000-memory.dmp

Filesize
64KB

Download
memory/4352-51-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4352-16-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4352-23-0x0000000008170000-0x0000000008180000-memory.dmp

Filesize
64KB

Download
memory/4352-1-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4352-2-0x0000000008410000-0x00000000089B4000-memory.dmp

Filesize
5.6MB

Download
memory/4352-3-0x0000000007F00000-0x0000000007F92000-memory.dmp

Filesize
584KB

Download
memory/4352-4-0x0000000008170000-0x0000000008180000-memory.dmp

Filesize
64KB

Download
memory/4352-5-0x00000000080A0000-0x00000000080AA000-memory.dmp

Filesize
40KB

Download
memory/4352-6-0x0000000005470000-0x0000000005488000-memory.dmp

Filesize
96KB

Download
memory/4352-8-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/4352-7-0x00000000054C0000-0x00000000054C8000-memory.dmp

Filesize
32KB

Download
memory/4352-0-0x0000000000F80000-0x0000000001086000-memory.dmp

Filesize
1.0MB

Download
memory/4352-10-0x0000000006CB0000-0x0000000006D4C000-memory.dmp

Filesize
624KB

Download
memory/4352-9-0x0000000009460000-0x00000000094DE000-memory.dmp

Filesize
504KB

Download
memory/4592-87-0x0000000007D40000-0x0000000007DD6000-memory.dmp

Filesize
600KB

Download
memory/4592-55-0x000000007F9A0000-0x000000007F9B0000-memory.dmp

Filesize
64KB

Download
memory/4592-28-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/4592-68-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/4592-84-0x0000000008110000-0x000000000878A000-memory.dmp

Filesize
6.5MB

Download
memory/4592-53-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/4592-57-0x0000000070FD0000-0x000000007101C000-memory.dmp

Filesize
304KB

Download
memory/4592-88-0x0000000007CC0000-0x0000000007CD1000-memory.dmp

Filesize
68KB

Download
memory/4592-70-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/4592-67-0x0000000006D90000-0x0000000006DAE000-memory.dmp

Filesize
120KB

Download
memory/4592-56-0x00000000079A0000-0x00000000079D2000-memory.dmp

Filesize
200KB

Download
memory/4592-76-0x00000000079E0000-0x0000000007A83000-memory.dmp

Filesize
652KB

Download
memory/4592-90-0x0000000007D00000-0x0000000007D14000-memory.dmp

Filesize
80KB

Download
memory/4592-91-0x0000000007E00000-0x0000000007E1A000-memory.dmp

Filesize
104KB

Download
memory/4592-92-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

Filesize
32KB

Download
memory/4592-48-0x00000000062D0000-0x0000000006624000-memory.dmp

Filesize
3.3MB

Download
memory/4592-26-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/4592-99-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4592-27-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4592-20-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/4592-21-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/4592-25-0x00000000056E0000-0x0000000005702000-memory.dmp

Filesize
136KB

Download
memory/4592-54-0x0000000006D40000-0x0000000006D8C000-memory.dmp

Filesize
304KB

Download