agenttesla | e28d683f4f77a06bc3777f35f6adb3e2e31eb77bffda02aff5a9174fb0f7afc3

Analysis

max time kernel
125s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2023 18:20

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General

Target

SecuriteInfo.com.Win32.CrypterX-gen.21905.exe
Size

860KB
MD5

e7baaee502ac82e9bd0df28da8bcc066
SHA1

670d41f85ae6ef92f0ac0d4d02f6d14aab409a81
SHA256

e28d683f4f77a06bc3777f35f6adb3e2e31eb77bffda02aff5a9174fb0f7afc3
SHA512

126fc5963a4c89dea013a257b23118d226584fecb7cd597b4d9d10cefcb90405ca669cc27d2f749bfa4002f782f82a0c1971e0d099680516bd416562bf64959a
SSDEEP

12288:DT5VH5nF8pREGHTbY5dtSgOhbly3xzT7wlttC3oJDWwFGGBhhMd96EhMxX2if2J5:xtmMchxUUFPDtFGEh6d96lg62J

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.asiaparadisehotel.com
Port:
587
Username:
[email protected]
Password:
KTNL)LqQaA(8
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

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.21905.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-433534792-1200107535-3148087551-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.CrypterX-gen.21905.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-1-5-21-433534792-1200107535-3148087551-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZVOHvI = "C:\\Users\\Admin\\AppData\\Roaming\\ZVOHvI\\ZVOHvI.exe"	RegSvcs.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

8 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.21905.exe

description pid process target process

PID 4964 set thread context of 5104 4964 SecuriteInfo.com.Win32.CrypterX-gen.21905.exe RegSvcs.exe
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

1992 5104 WerFault.exe RegSvcs.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

3064 schtasks.exe

flow	ioc
8	api.ipify.org

description	pid	process	target process
PID 4964 set thread context of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe

pid	pid_target	process	target process
1992	5104	WerFault.exe	RegSvcs.exe

pid	process
3064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.21905.exepowershell.exeRegSvcs.exe

pid	process
4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe
4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe
4852	powershell.exe
5104	RegSvcs.exe
5104	RegSvcs.exe
4852	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.21905.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe
Token: SeDebugPrivilege	4852	powershell.exe
Token: SeDebugPrivilege	5104	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.21905.exe

description	pid	process	target process
PID 4964 wrote to memory of 4852	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	powershell.exe
PID 4964 wrote to memory of 4852	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	powershell.exe
PID 4964 wrote to memory of 4852	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	powershell.exe
PID 4964 wrote to memory of 3064	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	schtasks.exe
PID 4964 wrote to memory of 3064	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	schtasks.exe
PID 4964 wrote to memory of 3064	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	schtasks.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe
PID 4964 wrote to memory of 5104	4964	SecuriteInfo.com.Win32.CrypterX-gen.21905.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21905.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21905.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lakRqEsCRYS.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4852

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lakRqEsCRYS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79E3.tmp"
2⤵
- Creates scheduled task(s)
PID:3064

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 1840
3⤵
- Program crash
PID:1992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5104 -ip 5104
1⤵
PID:4716

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

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\Temp\__PSScriptPolicyTest_ijfvwnie.x5b.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp79E3.tmp

Filesize
1KB

MD5
7f629a8613a2785b49dd204aaaa6ac90

SHA1
b6254c18e9ea36fbc17c50515180e94a8cbe7a46

SHA256
e441eee4efdf51d1ac3ca8a43ac656e40801b7bbb836a618b9f4da1526f966dc

SHA512
0ed19e1c0634c221c1807bb557be628768abe961000e1f144c895c12824cc0651a6de05c50a5a486bf29bdde54f64360a03aa79e83fab2daf65d2bb54168b3ef

Download Submit
memory/4852-55-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/4852-69-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4852-66-0x0000000007500000-0x0000000007508000-memory.dmp

Filesize
32KB

Download
memory/4852-28-0x0000000005930000-0x0000000005C84000-memory.dmp

Filesize
3.3MB

Download
memory/4852-65-0x0000000007520000-0x000000000753A000-memory.dmp

Filesize
104KB

Download
memory/4852-64-0x0000000007420000-0x0000000007434000-memory.dmp

Filesize
80KB

Download
memory/4852-63-0x0000000007410000-0x000000000741E000-memory.dmp

Filesize
56KB

Download
memory/4852-62-0x00000000073E0000-0x00000000073F1000-memory.dmp

Filesize
68KB

Download
memory/4852-61-0x0000000007460000-0x00000000074F6000-memory.dmp

Filesize
600KB

Download
memory/4852-15-0x00000000025B0000-0x00000000025E6000-memory.dmp

Filesize
216KB

Download
memory/4852-60-0x0000000007250000-0x000000000725A000-memory.dmp

Filesize
40KB

Download
memory/4852-18-0x0000000005190000-0x00000000057B8000-memory.dmp

Filesize
6.2MB

Download
memory/4852-17-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4852-19-0x0000000004B50000-0x0000000004B60000-memory.dmp

Filesize
64KB

Download
memory/4852-58-0x0000000007830000-0x0000000007EAA000-memory.dmp

Filesize
6.5MB

Download
memory/4852-21-0x0000000004B50000-0x0000000004B60000-memory.dmp

Filesize
64KB

Download
memory/4852-59-0x00000000071E0000-0x00000000071FA000-memory.dmp

Filesize
104KB

Download
memory/4852-25-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/4852-57-0x0000000007090000-0x0000000007133000-memory.dmp

Filesize
652KB

Download
memory/4852-44-0x0000000006E50000-0x0000000006E82000-memory.dmp

Filesize
200KB

Download
memory/4852-56-0x0000000004B50000-0x0000000004B60000-memory.dmp

Filesize
64KB

Download
memory/4852-45-0x0000000070920000-0x000000007096C000-memory.dmp

Filesize
304KB

Download
memory/4852-43-0x000000007F7F0000-0x000000007F800000-memory.dmp

Filesize
64KB

Download
memory/4852-42-0x0000000006080000-0x00000000060CC000-memory.dmp

Filesize
304KB

Download
memory/4852-23-0x0000000004DF0000-0x0000000004E12000-memory.dmp

Filesize
136KB

Download
memory/4852-41-0x0000000005EC0000-0x0000000005EDE000-memory.dmp

Filesize
120KB

Download
memory/4964-9-0x0000000007F70000-0x0000000008000000-memory.dmp

Filesize
576KB

Download
memory/4964-8-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

Filesize
40KB

Download
memory/4964-4-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/4964-30-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-1-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-0-0x0000000000700000-0x00000000007DE000-memory.dmp

Filesize
888KB

Download
memory/4964-20-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-6-0x0000000005780000-0x0000000005798000-memory.dmp

Filesize
96KB

Download
memory/4964-5-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/4964-7-0x00000000057C0000-0x00000000057C8000-memory.dmp

Filesize
32KB

Download
memory/4964-10-0x0000000007D10000-0x0000000007DAC000-memory.dmp

Filesize
624KB

Download
memory/4964-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/4964-24-0x0000000005190000-0x00000000051A0000-memory.dmp

Filesize
64KB

Download
memory/4964-3-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/5104-26-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/5104-71-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5104-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5104-31-0x0000000005210000-0x0000000005220000-memory.dmp

Filesize
64KB

Download
memory/5104-29-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download