agenttesla | 22fe993d3d069bbd257db91dd0bc76cffabc3a67ac535e0cadc7e58649f78f49

Analysis

max time kernel
141s
max time network
151s
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 06:30

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General

Target

Scan_0366926812023.exe
Size

694KB
MD5

964b7d4d87d7b3e0399164197d8d32f1
SHA1

48128fb0758e9c9ae80f5c3d3f4a3a51798b3431
SHA256

22fe993d3d069bbd257db91dd0bc76cffabc3a67ac535e0cadc7e58649f78f49
SHA512

5d151b87eca87a148dd025a0c4e87ba02bd82842b04666bff7b7ce92fbd65fc17f597343adc5ea75439aaf15fbf50e72c586f44efab995b369dd9ae1e0ad07de
SSDEEP

12288:w3IU8S6eUd62pBI/NlGlPm5ITCIRMfiEw53QL+W5RlnVS7ga6k5:OItSAd62pZlRXRMfGV0+W5C5

Score

10^/10

agenttesla zgrat collection keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wrklearning.com
Port:
587
Username:
[email protected]
Password:
worke2300
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

resource	yara_rule
behavioral2/memory/1284-6-0x0000000005930000-0x0000000005948000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Control Panel\International\Geo\Nation	Scan_0366926812023.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-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.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
51	api.ipify.org
52	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1284 set thread context of 1716	1284	Scan_0366926812023.exe	107

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
3796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1716	Scan_0366926812023.exe
1716	Scan_0366926812023.exe
1716	Scan_0366926812023.exe
4324	powershell.exe
4324	powershell.exe
4324	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	Scan_0366926812023.exe
Token: SeDebugPrivilege	4324	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 4324	1284	Scan_0366926812023.exe	103
PID 1284 wrote to memory of 4324	1284	Scan_0366926812023.exe	103
PID 1284 wrote to memory of 4324	1284	Scan_0366926812023.exe	103
PID 1284 wrote to memory of 3796	1284	Scan_0366926812023.exe	105
PID 1284 wrote to memory of 3796	1284	Scan_0366926812023.exe	105
PID 1284 wrote to memory of 3796	1284	Scan_0366926812023.exe	105
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107
PID 1284 wrote to memory of 1716	1284	Scan_0366926812023.exe	107

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan_0366926812023.exe

C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe
"C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FQlHsVTvVqkAaa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4324
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FQlHsVTvVqkAaa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE8AA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3796
- C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe
  "C:\Users\Admin\AppData\Local\Temp\Scan_0366926812023.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1716

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bfva5zm4.wvs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE8AA.tmp

Filesize
1KB

MD5
cbd57a7d88b3c7a8c117b67f0aa2b983

SHA1
3e11364c7c55d9e14110a53aa1e1e39902056c08

SHA256
1a862ee75844765ad7290aeee3fadcd5f0762ff5c6eef036ce7c69bb6ec4d5fc

SHA512
19919d60142960ea084022946d5847a66eb577c3708386ad869da7ea3c582f91b17a6a8afdbaf318dd5bdd35f0637384f6e3efbdc816b4288686e5c467f7b4b1

Download Submit
memory/1284-10-0x000000000C390000-0x000000000C42C000-memory.dmp

Filesize
624KB

Download
memory/1284-0-0x0000000000960000-0x0000000000A14000-memory.dmp

Filesize
720KB

Download
memory/1284-4-0x00000000055E0000-0x00000000055F0000-memory.dmp

Filesize
64KB

Download
memory/1284-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

Filesize
40KB

Download
memory/1284-6-0x0000000005930000-0x0000000005948000-memory.dmp

Filesize
96KB

Download
memory/1284-7-0x0000000008F20000-0x0000000008F28000-memory.dmp

Filesize
32KB

Download
memory/1284-8-0x0000000008F30000-0x0000000008F3A000-memory.dmp

Filesize
40KB

Download
memory/1284-9-0x0000000009270000-0x00000000092EC000-memory.dmp

Filesize
496KB

Download
memory/1284-26-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/1284-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/1284-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

Filesize
5.6MB

Download
memory/1284-1-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/1284-21-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/1716-69-0x0000000006860000-0x00000000068B0000-memory.dmp

Filesize
320KB

Download
memory/1716-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1716-70-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/1716-25-0x00000000052F0000-0x0000000005356000-memory.dmp

Filesize
408KB

Download
memory/1716-24-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/1716-27-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4324-15-0x0000000005110000-0x0000000005146000-memory.dmp

Filesize
216KB

Download
memory/4324-56-0x00000000076F0000-0x0000000007793000-memory.dmp

Filesize
652KB

Download
memory/4324-28-0x0000000005720000-0x0000000005742000-memory.dmp

Filesize
136KB

Download
memory/4324-29-0x0000000005F00000-0x0000000005F66000-memory.dmp

Filesize
408KB

Download
memory/4324-18-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/4324-39-0x00000000060E0000-0x0000000006434000-memory.dmp

Filesize
3.3MB

Download
memory/4324-40-0x0000000006700000-0x000000000671E000-memory.dmp

Filesize
120KB

Download
memory/4324-41-0x0000000006750000-0x000000000679C000-memory.dmp

Filesize
304KB

Download
memory/4324-42-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/4324-44-0x00000000076B0000-0x00000000076E2000-memory.dmp

Filesize
200KB

Download
memory/4324-43-0x000000007FA50000-0x000000007FA60000-memory.dmp

Filesize
64KB

Download
memory/4324-45-0x00000000714A0000-0x00000000714EC000-memory.dmp

Filesize
304KB

Download
memory/4324-55-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

Filesize
120KB

Download
memory/4324-23-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/4324-58-0x0000000007A10000-0x0000000007A2A000-memory.dmp

Filesize
104KB

Download
memory/4324-57-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

Download
memory/4324-59-0x0000000007A80000-0x0000000007A8A000-memory.dmp

Filesize
40KB

Download
memory/4324-60-0x0000000007C90000-0x0000000007D26000-memory.dmp

Filesize
600KB

Download
memory/4324-61-0x0000000007C10000-0x0000000007C21000-memory.dmp

Filesize
68KB

Download
memory/4324-62-0x0000000007C40000-0x0000000007C4E000-memory.dmp

Filesize
56KB

Download
memory/4324-63-0x0000000007C50000-0x0000000007C64000-memory.dmp

Filesize
80KB

Download
memory/4324-64-0x0000000007D50000-0x0000000007D6A000-memory.dmp

Filesize
104KB

Download
memory/4324-65-0x0000000007D30000-0x0000000007D38000-memory.dmp

Filesize
32KB

Download
memory/4324-68-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-19-0x00000000057E0000-0x0000000005E08000-memory.dmp

Filesize
6.2MB

Download
memory/4324-17-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download