agenttesla | 871978fb97af5fca44a98714b79a3e86dfdb468eed6980dadc7f2bf7e5bf1aaa

Resubmissions

06-11-2023 19:37

231106-ybwfxadf81 10

06-11-2023 19:33

231106-x9tjjadf4z 10

06-11-2023 16:18

231106-tr58tscc9y 10

Analysis

max time kernel
433s
max time network
1164s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2023 19:37

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General

Target

1106-03-AgentTesla.exe
Size

700KB
MD5

5b61637836afea5019078c8841f39712
SHA1

061befc3ad783a590cb6e408062f8b2291c7b12f
SHA256

8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
SHA512

c025a05bde0a92a785f470f74f33a8e30ba93edbcf026b05cbabbe1c7f884508829a418d8b1f5762b2769abb80a799e82add5eefb8ed75be66110185b7e139f5
SSDEEP

12288:vwgJjWP9lZtDKIcXY4mnTwwlJk15TsVuhk37F1VoKc8XUbsS:PkDDKIcSEwEQVu237VoKc8X+

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
cash@com12345cash@com12345

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
cash@com12345cash@com12345
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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	1106-03-AgentTesla.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Micosoft Excel 2023 = "C:\\Users\\Admin\\AppData\\Roaming\\Micosoft Excel 2023\\Micosoft Excel 2023.exe"	1106-03-AgentTesla.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 4640	4740	1106-03-AgentTesla.exe	106

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
1348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4640	1106-03-AgentTesla.exe
4640	1106-03-AgentTesla.exe
4640	1106-03-AgentTesla.exe
2852	powershell.exe
2852	powershell.exe
2852	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	1106-03-AgentTesla.exe
Token: SeDebugPrivilege	2852	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2852	4740	1106-03-AgentTesla.exe	102
PID 4740 wrote to memory of 2852	4740	1106-03-AgentTesla.exe	102
PID 4740 wrote to memory of 2852	4740	1106-03-AgentTesla.exe	102
PID 4740 wrote to memory of 1348	4740	1106-03-AgentTesla.exe	104
PID 4740 wrote to memory of 1348	4740	1106-03-AgentTesla.exe	104
PID 4740 wrote to memory of 1348	4740	1106-03-AgentTesla.exe	104
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106
PID 4740 wrote to memory of 4640	4740	1106-03-AgentTesla.exe	106

C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe
"C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PkhbHYvHHp.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PkhbHYvHHp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB4A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1348
- C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe
  "C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

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\Temp\__PSScriptPolicyTest_nje3qqzb.vlj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEB4A.tmp

Filesize
1KB

MD5
b041c68ebb3c25f822591c7336107b18

SHA1
c8f992321492a3a809de03d3755ef0bde854620a

SHA256
9ca06beede9b722af419ff5e050cd9e866655f9348234bd00e430180ca222a37

SHA512
118feb4437239a46650a5f63097d7fbb4aec4bfae48754d72e13390fb59679e491e86606f70dac1ec916ab2b6b3ad18feb4e6324dceac12c402b831abff4f8c7

Download Submit
C:\Users\Admin\AppData\Roaming\Micosoft Excel 2023\Micosoft Excel 2023.exe

Filesize
700KB

MD5
5b61637836afea5019078c8841f39712

SHA1
061befc3ad783a590cb6e408062f8b2291c7b12f

SHA256
8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757

SHA512
c025a05bde0a92a785f470f74f33a8e30ba93edbcf026b05cbabbe1c7f884508829a418d8b1f5762b2769abb80a799e82add5eefb8ed75be66110185b7e139f5

Download Submit
memory/2852-28-0x0000000005510000-0x0000000005532000-memory.dmp

Filesize
136KB

Download
memory/2852-20-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/2852-74-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/2852-70-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/2852-39-0x0000000005E90000-0x00000000061E4000-memory.dmp

Filesize
3.3MB

Download
memory/2852-66-0x0000000007A50000-0x0000000007A5E000-memory.dmp

Filesize
56KB

Download
memory/2852-65-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/2852-64-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/2852-63-0x0000000007A00000-0x0000000007A11000-memory.dmp

Filesize
68KB

Download
memory/2852-16-0x0000000002C00000-0x0000000002C36000-memory.dmp

Filesize
216KB

Download
memory/2852-17-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/2852-18-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/2852-62-0x0000000007A80000-0x0000000007B16000-memory.dmp

Filesize
600KB

Download
memory/2852-40-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/2852-61-0x0000000007870000-0x000000000787A000-memory.dmp

Filesize
40KB

Download
memory/2852-22-0x00000000055C0000-0x0000000005BE8000-memory.dmp

Filesize
6.2MB

Download
memory/2852-59-0x0000000007800000-0x000000000781A000-memory.dmp

Filesize
104KB

Download
memory/2852-58-0x0000000007E40000-0x00000000084BA000-memory.dmp

Filesize
6.5MB

Download
memory/2852-57-0x0000000007700000-0x00000000077A3000-memory.dmp

Filesize
652KB

Download
memory/2852-56-0x0000000006A80000-0x0000000006A9E000-memory.dmp

Filesize
120KB

Download
memory/2852-46-0x0000000071300000-0x000000007134C000-memory.dmp

Filesize
304KB

Download
memory/2852-29-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/2852-71-0x0000000007B40000-0x0000000007B48000-memory.dmp

Filesize
32KB

Download
memory/2852-67-0x0000000007A60000-0x0000000007A74000-memory.dmp

Filesize
80KB

Download
memory/2852-45-0x0000000006AA0000-0x0000000006AD2000-memory.dmp

Filesize
200KB

Download
memory/2852-41-0x0000000006530000-0x000000000657C000-memory.dmp

Filesize
304KB

Download
memory/2852-42-0x0000000002BF0000-0x0000000002C00000-memory.dmp

Filesize
64KB

Download
memory/4640-60-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/4640-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4640-69-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/4640-68-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4640-27-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/4640-25-0x0000000005A10000-0x0000000005A20000-memory.dmp

Filesize
64KB

Download
memory/4640-24-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4740-3-0x00000000052A0000-0x0000000005332000-memory.dmp

Filesize
584KB

Download
memory/4740-4-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/4740-1-0x0000000000840000-0x00000000008F6000-memory.dmp

Filesize
728KB

Download
memory/4740-11-0x000000000A720000-0x000000000A7BC000-memory.dmp

Filesize
624KB

Download
memory/4740-10-0x0000000007FA0000-0x000000000801A000-memory.dmp

Filesize
488KB

Download
memory/4740-9-0x00000000064A0000-0x00000000064AA000-memory.dmp

Filesize
40KB

Download
memory/4740-8-0x0000000005270000-0x0000000005280000-memory.dmp

Filesize
64KB

Download
memory/4740-7-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4740-26-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4740-0-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4740-6-0x0000000007F10000-0x0000000007F1E000-memory.dmp

Filesize
56KB

Download
memory/4740-2-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download
memory/4740-5-0x0000000005370000-0x000000000537A000-memory.dmp

Filesize
40KB

Download