agenttesla | 5695a75d96e56497ab5f7175d5c1da59a4565df668cb89db774eefbb5bfb6cf5

Resubmissions

05-09-2023 01:34

230905-by5lrsch46 10

Analysis

max time kernel
141s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 01:20

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General

Target

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
Size

648KB
MD5

904d9a8a5b31139b3c895ef48806c646
SHA1

23305c7323f220e8eb6b87f12244ca9419fda48f
SHA256

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0
SHA512

71dbc2495b7b3e4e724340059b8cc8a74d3fde9a4367b008f74e3f63a987c34d61feeb8a4daf007712981fbf72d6f0268a4e9622e3cf87a89c3487669e415bda
SSDEEP

12288:F97C0hXzJP7k4LycnkzaWkHKlABWD35LRl6/Vu9V:F9mSjK4yhoqOWb5Vl6/VuT

Score

10^/10

agenttesla collection execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.taxrefunds.co.za
Port:
587
Username:
[email protected]
Password:
0p76577n46
Email To:
[email protected]

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

Processes:

powershell.exepowershell.exe

pid process

4216 powershell.exe
892 powershell.exe

pid	process
4216	powershell.exe
892	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

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\eqGrE = "C:\\Users\\Admin\\AppData\\Roaming\\eqGrE\\eqGrE.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe

description	pid	process	target process
PID 2424 set thread context of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.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

5008 schtasks.exe

pid	process
5008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
4216	powershell.exe
892	powershell.exe
2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
4216	powershell.exe
3204	RegSvcs.exe
3204	RegSvcs.exe
892	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
Token: SeDebugPrivilege	4216	powershell.exe
Token: SeDebugPrivilege	892	powershell.exe
Token: SeDebugPrivilege	3204	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe

description	pid	process	target process
PID 2424 wrote to memory of 4216	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 2424 wrote to memory of 4216	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 2424 wrote to memory of 4216	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 2424 wrote to memory of 892	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 2424 wrote to memory of 892	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 2424 wrote to memory of 892	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 2424 wrote to memory of 5008	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	schtasks.exe
PID 2424 wrote to memory of 5008	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	schtasks.exe
PID 2424 wrote to memory of 5008	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	schtasks.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 2424 wrote to memory of 3204	2424	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
"C:\Users\Admin\AppData\Local\Temp\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424

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\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4216

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YxTQbd.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:892

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YxTQbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E7D.tmp"
2⤵
- Creates scheduled task(s)
PID:5008

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3204

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
5a889bb218d2dc61b92b4813efba879d

SHA1
e59c5dbcd8aa27f1d681ea1ce03b4fcbcdd644ef

SHA256
758164b6a9845ab6cd2dc72a2f68095ef157348824cc877ebd0b0caa4ba787a4

SHA512
36c67023ac9e9454749ba83b4f617d2cade085f7f88d0cdfc8c9bd85c9575934bec0d3fa82a86da1f59fd5b1ca5087a619d5965f0996f3d5f7b483c8a60adf94

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2bbrn3kw.v4h.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2E7D.tmp
Filesize
1KB

MD5
a00f9ba36d362b2f675e98685effae94

SHA1
f26bbe1150618ea5f59da021b51cab576889f6da

SHA256
96dfae6f2b588336ccd390b3a0da5751e4ac34a3087ccc5a50c7004c91ff57b4

SHA512
73408f009b37a08ca4ebfe0876ff7165e8af458f4e06045ece3635adc9a9705162b5b5b1bc7831acec30ca9ccc5e2bcafb2f18ff5d8b4e2dc1f5042f9aebd49b

Download Submit
memory/892-77-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

Filesize
40KB

Download
memory/892-91-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/892-62-0x0000000070200000-0x000000007024C000-memory.dmp

Filesize
304KB

Download
memory/892-73-0x00000000079E0000-0x00000000079FE000-memory.dmp

Filesize
120KB

Download
memory/892-37-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/892-74-0x0000000007A10000-0x0000000007AB3000-memory.dmp

Filesize
652KB

Download
memory/892-78-0x0000000007DD0000-0x0000000007E66000-memory.dmp

Filesize
600KB

Download
memory/892-21-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/892-20-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-10-0x0000000005680000-0x000000000568E000-memory.dmp

Filesize
56KB

Download
memory/2424-5-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/2424-3-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/2424-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2424-11-0x0000000007EC0000-0x0000000007F3C000-memory.dmp

Filesize
496KB

Download
memory/2424-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/2424-6-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-4-0x0000000005360000-0x000000000536A000-memory.dmp

Filesize
40KB

Download
memory/2424-51-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-1-0x00000000009F0000-0x0000000000A98000-memory.dmp

Filesize
672KB

Download
memory/2424-9-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-7-0x00000000055D0000-0x00000000055E4000-memory.dmp

Filesize
80KB

Download
memory/2424-8-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/3204-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3204-81-0x0000000005ED0000-0x0000000005F20000-memory.dmp

Filesize
320KB

Download
memory/4216-16-0x0000000002800000-0x0000000002836000-memory.dmp

Filesize
216KB

Download
memory/4216-50-0x0000000006190000-0x00000000061DC000-memory.dmp

Filesize
304KB

Download
memory/4216-52-0x00000000070A0000-0x00000000070D2000-memory.dmp

Filesize
200KB

Download
memory/4216-53-0x0000000070200000-0x000000007024C000-memory.dmp

Filesize
304KB

Download
memory/4216-49-0x00000000060E0000-0x00000000060FE000-memory.dmp

Filesize
120KB

Download
memory/4216-36-0x0000000005C10000-0x0000000005F64000-memory.dmp

Filesize
3.3MB

Download
memory/4216-26-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4216-75-0x0000000007A80000-0x00000000080FA000-memory.dmp

Filesize
6.5MB

Download
memory/4216-76-0x0000000007430000-0x000000000744A000-memory.dmp

Filesize
104KB

Download
memory/4216-23-0x0000000005330000-0x0000000005352000-memory.dmp

Filesize
136KB

Download
memory/4216-24-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/4216-79-0x0000000007630000-0x0000000007641000-memory.dmp

Filesize
68KB

Download
memory/4216-25-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/4216-82-0x0000000007660000-0x000000000766E000-memory.dmp

Filesize
56KB

Download
memory/4216-83-0x0000000007670000-0x0000000007684000-memory.dmp

Filesize
80KB

Download
memory/4216-84-0x0000000007770000-0x000000000778A000-memory.dmp

Filesize
104KB

Download
memory/4216-85-0x0000000007750000-0x0000000007758000-memory.dmp

Filesize
32KB

Download
memory/4216-19-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4216-18-0x0000000005390000-0x00000000059B8000-memory.dmp

Filesize
6.2MB

Download
memory/4216-92-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4216-17-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download