agenttesla | b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d

Analysis

max time kernel
90s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231201-en
resource tags

arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2023 14:21

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General

Target

SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe
Size

740KB
MD5

c574e127b2c8ab6e118d9da5f5debef2
SHA1

89ec80d0eb22dec08f8a1c28d9984885dfc2f080
SHA256

b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d
SHA512

632bb017dccdc76073ae93db07e6e4349e19a6207e8f3f45a2f9e57f5e9077bf9afebe461148f883f167ec9a8b17152a7b25eac45a91fd83af9461a9e38a2f3e
SSDEEP

12288:YZqc3+GCueH5qOe0T0xQChrNJbXgoQeQBmEGM0l0EO4TEWCH3F5ETccK3qNCt:YZ/uG2qqyQChRJbwunOBH3F5CKaN

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amtechcards.com
Port:
587
Username:
[email protected]
Password:
]i[a(tUWlmp%
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.PWSX-gen.4235.29315.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2192493100-457715857-1189582111-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.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-1-5-21-2192493100-457715857-1189582111-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oIjuwq = "C:\\Users\\Admin\\AppData\\Roaming\\oIjuwq\\oIjuwq.exe"	RegSvcs.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.

Processes:

flow ioc

36 api.ipify.org
37 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe

description pid process target process

PID 4188 set thread context of 4088 4188 SecuriteInfo.com.Win32.PWSX-gen.4235.29315.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

4180 4088 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

312 schtasks.exe

flow	ioc
36	api.ipify.org
37	api.ipify.org

description	pid	process	target process
PID 4188 set thread context of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe

pid	pid_target	process	target process
4180	4088	WerFault.exe	RegSvcs.exe

pid	process
312	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exepowershell.exeRegSvcs.exe

pid	process
4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe
4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe
1760	powershell.exe
4088	RegSvcs.exe
4088	RegSvcs.exe
1760	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe
Token: SeDebugPrivilege	1760	powershell.exe
Token: SeDebugPrivilege	4088	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe

description	pid	process	target process
PID 4188 wrote to memory of 1760	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	powershell.exe
PID 4188 wrote to memory of 1760	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	powershell.exe
PID 4188 wrote to memory of 1760	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	powershell.exe
PID 4188 wrote to memory of 312	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	schtasks.exe
PID 4188 wrote to memory of 312	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	schtasks.exe
PID 4188 wrote to memory of 312	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	schtasks.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe
PID 4188 wrote to memory of 4088	4188	SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4188

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WDohLSBxdPKIde.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1760

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WDohLSBxdPKIde" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C04.tmp"
2⤵
- Creates scheduled task(s)
PID:312

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:4088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 2032
3⤵
- Program crash
PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4088 -ip 4088
1⤵
PID:928

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_us5xf0np.445.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8C04.tmp

Filesize
1KB

MD5
1ae3a7b7ce9f46859702120d015fb89c

SHA1
fb8fbe2d6f4d93bcfe5bd0e49a6194bd6de051ab

SHA256
f8230ec7c3fde4cd6ebe16593e2c09fb1f6f007722382bdf9329c22bf22c3a58

SHA512
6b59cb15f23d07f4a2afc7d3406b9e51c14f87aae3b670ff8a68865577f55f9a1d038da8b695c4a48f449d62419a12058126a4653f43b682f4a396e09671fc81

Download Submit
memory/1760-55-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/1760-70-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-66-0x0000000007690000-0x00000000076AA000-memory.dmp

Filesize
104KB

Download
memory/1760-67-0x0000000007670000-0x0000000007678000-memory.dmp

Filesize
32KB

Download
memory/1760-65-0x0000000007590000-0x00000000075A4000-memory.dmp

Filesize
80KB

Download
memory/1760-64-0x0000000007580000-0x000000000758E000-memory.dmp

Filesize
56KB

Download
memory/1760-63-0x0000000007550000-0x0000000007561000-memory.dmp

Filesize
68KB

Download
memory/1760-62-0x00000000075D0000-0x0000000007666000-memory.dmp

Filesize
600KB

Download
memory/1760-61-0x00000000073D0000-0x00000000073DA000-memory.dmp

Filesize
40KB

Download
memory/1760-16-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-15-0x0000000002710000-0x0000000002746000-memory.dmp

Filesize
216KB

Download
memory/1760-59-0x00000000079B0000-0x000000000802A000-memory.dmp

Filesize
6.5MB

Download
memory/1760-18-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/1760-20-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/1760-60-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/1760-21-0x0000000005290000-0x00000000058B8000-memory.dmp

Filesize
6.2MB

Download
memory/1760-56-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/1760-23-0x0000000005070000-0x0000000005092000-memory.dmp

Filesize
136KB

Download
memory/1760-58-0x0000000007080000-0x0000000007123000-memory.dmp

Filesize
652KB

Download
memory/1760-57-0x0000000006600000-0x000000000661E000-memory.dmp

Filesize
120KB

Download
memory/1760-37-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/1760-43-0x000000007F120000-0x000000007F130000-memory.dmp

Filesize
64KB

Download
memory/1760-44-0x0000000006620000-0x0000000006652000-memory.dmp

Filesize
200KB

Download
memory/1760-45-0x0000000070CB0000-0x0000000070CFC000-memory.dmp

Filesize
304KB

Download
memory/1760-42-0x0000000006070000-0x00000000060BC000-memory.dmp

Filesize
304KB

Download
memory/1760-40-0x0000000005C70000-0x0000000005FC4000-memory.dmp

Filesize
3.3MB

Download
memory/1760-41-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/4088-72-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4088-36-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4088-39-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/4088-38-0x00000000050D0000-0x0000000005136000-memory.dmp

Filesize
408KB

Download
memory/4088-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4188-4-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/4188-8-0x0000000005850000-0x000000000585A000-memory.dmp

Filesize
40KB

Download
memory/4188-24-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/4188-35-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-1-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-10-0x00000000090A0000-0x000000000913C000-memory.dmp

Filesize
624KB

Download
memory/4188-9-0x0000000006810000-0x000000000688C000-memory.dmp

Filesize
496KB

Download
memory/4188-17-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-7-0x0000000005840000-0x0000000005848000-memory.dmp

Filesize
32KB

Download
memory/4188-6-0x0000000005810000-0x000000000582A000-memory.dmp

Filesize
104KB

Download
memory/4188-5-0x00000000052B0000-0x00000000052BA000-memory.dmp

Filesize
40KB

Download
memory/4188-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/4188-3-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/4188-0-0x0000000000990000-0x0000000000A50000-memory.dmp

Filesize
768KB

Download