agenttesla | 92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c

Analysis

max time kernel
128s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2023 16:40

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General

Target

a759e8c16420ac111730b3d85455c256.exe
Size

614KB
MD5

a759e8c16420ac111730b3d85455c256
SHA1

884078bf38588730be94b28b8d5c3ada281a301f
SHA256

92ebe1666615b108e09981bc054cf76d7f4eeaa44595c813e01d419cd359fa8c
SHA512

cff0141b03ea3d995de2820070de6987560428d97b3be587194bf2cc3abf912576aea0a72c635f9784b9ae436ec2334ba63ca9ed2ffef2ae50dfd4cf6a1f9a9a
SSDEEP

12288:A3IU8S6eUdxD4vtaoAxdL3xgeLNu63RVJSw5KJ9rYT6IVva1Ec:+ItSAdxEjAxdDx3Nu63R9KvrY/Xc

Score

10^/10

agenttesla zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tecnosilos.com.py
Port:
587
Username:
[email protected]
Password:
dX,@;SPvm;h{
Email To:
[email protected]

Signatures

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

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4792-6-0x0000000005840000-0x0000000005858000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

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:

a759e8c16420ac111730b3d85455c256.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Control Panel\International\Geo\Nation	a759e8c16420ac111730b3d85455c256.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

a759e8c16420ac111730b3d85455c256.exe

description pid process target process

PID 4792 set thread context of 3284 4792 a759e8c16420ac111730b3d85455c256.exe a759e8c16420ac111730b3d85455c256.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

960 schtasks.exe

description	pid	process	target process
PID 4792 set thread context of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe

pid	process
960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exea759e8c16420ac111730b3d85455c256.exe

pid	process
2716	powershell.exe
2716	powershell.exe
3284	a759e8c16420ac111730b3d85455c256.exe
3284	a759e8c16420ac111730b3d85455c256.exe
3284	a759e8c16420ac111730b3d85455c256.exe
2716	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exea759e8c16420ac111730b3d85455c256.exe

description pid process

Token: SeDebugPrivilege 2716 powershell.exe
Token: SeDebugPrivilege 3284 a759e8c16420ac111730b3d85455c256.exe

description	pid	process
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	3284	a759e8c16420ac111730b3d85455c256.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a759e8c16420ac111730b3d85455c256.exe

description	pid	process	target process
PID 4792 wrote to memory of 2716	4792	a759e8c16420ac111730b3d85455c256.exe	powershell.exe
PID 4792 wrote to memory of 2716	4792	a759e8c16420ac111730b3d85455c256.exe	powershell.exe
PID 4792 wrote to memory of 2716	4792	a759e8c16420ac111730b3d85455c256.exe	powershell.exe
PID 4792 wrote to memory of 960	4792	a759e8c16420ac111730b3d85455c256.exe	schtasks.exe
PID 4792 wrote to memory of 960	4792	a759e8c16420ac111730b3d85455c256.exe	schtasks.exe
PID 4792 wrote to memory of 960	4792	a759e8c16420ac111730b3d85455c256.exe	schtasks.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe
PID 4792 wrote to memory of 3284	4792	a759e8c16420ac111730b3d85455c256.exe	a759e8c16420ac111730b3d85455c256.exe

C:\Users\Admin\AppData\Local\Temp\a759e8c16420ac111730b3d85455c256.exe
"C:\Users\Admin\AppData\Local\Temp\a759e8c16420ac111730b3d85455c256.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4792

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UmViskfCi.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UmViskfCi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6A4.tmp"
2⤵
- Creates scheduled task(s)
PID:960

C:\Users\Admin\AppData\Local\Temp\a759e8c16420ac111730b3d85455c256.exe
"C:\Users\Admin\AppData\Local\Temp\a759e8c16420ac111730b3d85455c256.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3284

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\Temp\__PSScriptPolicyTest_w1nh41qc.qoo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF6A4.tmp

Filesize
1KB

MD5
5b81c899635166ac802953aec361cdc7

SHA1
d1c39556f47b37c9f058a9f17b7e56410c4fd95f

SHA256
3331e2f757ea97b5ec9e9a76a6437a9b031df2cacaa363d4b3e5ba91980e605b

SHA512
cd3a701b35bb9c1678a4d0a8b59140b282a53dc6030ff40eac241672ac0c5cc7651cd89fb46d920af1c392a31b6d23392ff292c6ad9cc8e6912094d6025e1276

Download Submit
memory/2716-28-0x00000000052E0000-0x0000000005346000-memory.dmp

Filesize
408KB

Download
memory/2716-58-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

Filesize
104KB

Download
memory/2716-69-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2716-66-0x00000000070D0000-0x00000000070D8000-memory.dmp

Filesize
32KB

Download
memory/2716-65-0x00000000070F0000-0x000000000710A000-memory.dmp

Filesize
104KB

Download
memory/2716-64-0x0000000006FF0000-0x0000000007004000-memory.dmp

Filesize
80KB

Download
memory/2716-63-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

Filesize
56KB

Download
memory/2716-62-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

Filesize
68KB

Download
memory/2716-61-0x0000000007030000-0x00000000070C6000-memory.dmp

Filesize
600KB

Download
memory/2716-15-0x0000000000CE0000-0x0000000000D16000-memory.dmp

Filesize
216KB

Download
memory/2716-60-0x0000000006E20000-0x0000000006E2A000-memory.dmp

Filesize
40KB

Download
memory/2716-17-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2716-18-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

Filesize
64KB

Download
memory/2716-57-0x00000000073F0000-0x0000000007A6A000-memory.dmp

Filesize
6.5MB

Download
memory/2716-21-0x0000000004CB0000-0x00000000052D8000-memory.dmp

Filesize
6.2MB

Download
memory/2716-56-0x0000000006C80000-0x0000000006D23000-memory.dmp

Filesize
652KB

Download
memory/2716-55-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/2716-23-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

Filesize
64KB

Download
memory/2716-45-0x0000000070FE0000-0x000000007102C000-memory.dmp

Filesize
304KB

Download
memory/2716-26-0x00000000049D0000-0x00000000049F2000-memory.dmp

Filesize
136KB

Download
memory/2716-44-0x0000000006050000-0x0000000006082000-memory.dmp

Filesize
200KB

Download
memory/2716-29-0x0000000005450000-0x00000000054B6000-memory.dmp

Filesize
408KB

Download
memory/2716-39-0x00000000055D0000-0x0000000005924000-memory.dmp

Filesize
3.3MB

Download
memory/2716-43-0x000000007F380000-0x000000007F390000-memory.dmp

Filesize
64KB

Download
memory/2716-42-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

Filesize
64KB

Download
memory/2716-40-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

Filesize
120KB

Download
memory/2716-41-0x0000000005B40000-0x0000000005B8C000-memory.dmp

Filesize
304KB

Download
memory/3284-71-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3284-70-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3284-27-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3284-25-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3284-59-0x0000000005EB0000-0x0000000005F00000-memory.dmp

Filesize
320KB

Download
memory/3284-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4792-4-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/4792-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

Filesize
5.6MB

Download
memory/4792-24-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-20-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-10-0x0000000007ED0000-0x0000000007F6C000-memory.dmp

Filesize
624KB

Download
memory/4792-9-0x0000000009190000-0x000000000920A000-memory.dmp

Filesize
488KB

Download
memory/4792-8-0x0000000005C00000-0x0000000005C0A000-memory.dmp

Filesize
40KB

Download
memory/4792-7-0x0000000005BF0000-0x0000000005BF8000-memory.dmp

Filesize
32KB

Download
memory/4792-6-0x0000000005840000-0x0000000005858000-memory.dmp

Filesize
96KB

Download
memory/4792-5-0x0000000005780000-0x000000000578A000-memory.dmp

Filesize
40KB

Download
memory/4792-1-0x0000000000B40000-0x0000000000BE0000-memory.dmp

Filesize
640KB

Download
memory/4792-0-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-3-0x00000000055B0000-0x0000000005642000-memory.dmp

Filesize
584KB

Download