agenttesla | 0f5adc0a7be5efcd4fc8192286bb373fea270170782cc83c71b616dde41e0157

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2023 15:26

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General

Target

SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe
Size

820KB
MD5

bc3766383208566e84c687962a5f1e46
SHA1

5ecdcd2adbeafff9009d219ff39218d87f4bf59b
SHA256

0f5adc0a7be5efcd4fc8192286bb373fea270170782cc83c71b616dde41e0157
SHA512

237b60664f36e2f75e9f5c83cb1918e96f076e0646cec1acbb71e5ccb61c683092c6c5caa45abc75e1aa694f9f6b57368fa905ff1d480c2b2cd44444693f77c1
SSDEEP

24576:/scFcWv/uG2qeWYZYmGe8eC5DrJwTEqHytjkQX7tM:7Fcc/uG2RYLQGWTaJXRM

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AmGHOWg = "C:\\Users\\Admin\\AppData\\Roaming\\AmGHOWg\\AmGHOWg.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.

flow	ioc
40	api.ipify.org
41	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3664 set thread context of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1620	1696	WerFault.exe	102

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
2368	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe
3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe
1696	RegSvcs.exe
1696	RegSvcs.exe
4468	powershell.exe
4468	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe
Token: SeDebugPrivilege	4468	powershell.exe
Token: SeDebugPrivilege	1696	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 4468	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	98
PID 3664 wrote to memory of 4468	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	98
PID 3664 wrote to memory of 4468	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	98
PID 3664 wrote to memory of 2368	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	100
PID 3664 wrote to memory of 2368	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	100
PID 3664 wrote to memory of 2368	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	100
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102
PID 3664 wrote to memory of 1696	3664	SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe	102

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BEGbTvAdfkaXC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4468
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BEGbTvAdfkaXC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFEE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2368
- 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:1696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 2052
    3⤵
    - Program crash
    PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1696 -ip 1696
1⤵
PID:1072

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a2kq2cyg.1ro.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1KB

MD5
b949ada6900a8cb3aa15b176794e7991

SHA1
017443c4311210f84c363d6369df42d474018684

SHA256
884dd3da6d8f5c47702ecfc119db7edcdba473841991d37fce7909af7ca266d4

SHA512
1b7b8e80fc6ad46aba57226c8878a042cb4d97c7d4990d021f0fa32bca03155f9149d4bfacb4613faeebb390d13af6679f8e41114ffa2ae250c81ddb954814fe

Download Submit
memory/1696-26-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/1696-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1696-27-0x00000000050A0000-0x0000000005106000-memory.dmp

Filesize
408KB

Download
memory/1696-24-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-62-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-5-0x0000000007EE0000-0x0000000007EEA000-memory.dmp

Filesize
40KB

Download
memory/3664-8-0x0000000008F10000-0x0000000008F1A000-memory.dmp

Filesize
40KB

Download
memory/3664-9-0x00000000093B0000-0x000000000942C000-memory.dmp

Filesize
496KB

Download
memory/3664-10-0x0000000006A20000-0x0000000006ABC000-memory.dmp

Filesize
624KB

Download
memory/3664-0-0x0000000000DE0000-0x0000000000EB4000-memory.dmp

Filesize
848KB

Download
memory/3664-7-0x0000000008EE0000-0x0000000008EE8000-memory.dmp

Filesize
32KB

Download
memory/3664-6-0x0000000008200000-0x000000000821A000-memory.dmp

Filesize
104KB

Download
memory/3664-4-0x0000000007F10000-0x0000000007F20000-memory.dmp

Filesize
64KB

Download
memory/3664-3-0x0000000007D50000-0x0000000007DE2000-memory.dmp

Filesize
584KB

Download
memory/3664-2-0x0000000008220000-0x00000000087C4000-memory.dmp

Filesize
5.6MB

Download
memory/3664-21-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-1-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3664-25-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4468-15-0x0000000002730000-0x0000000002766000-memory.dmp

Filesize
216KB

Download
memory/4468-56-0x0000000007290000-0x0000000007333000-memory.dmp

Filesize
652KB

Download
memory/4468-19-0x0000000005290000-0x00000000058B8000-memory.dmp

Filesize
6.2MB

Download
memory/4468-33-0x00000000058F0000-0x0000000005912000-memory.dmp

Filesize
136KB

Download
memory/4468-18-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4468-34-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/4468-39-0x0000000005BF0000-0x0000000005F44000-memory.dmp

Filesize
3.3MB

Download
memory/4468-40-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/4468-41-0x00000000065E0000-0x000000000662C000-memory.dmp

Filesize
304KB

Download
memory/4468-43-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4468-44-0x0000000007050000-0x0000000007082000-memory.dmp

Filesize
200KB

Download
memory/4468-45-0x0000000070EA0000-0x0000000070EEC000-memory.dmp

Filesize
304KB

Download
memory/4468-55-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/4468-22-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4468-57-0x00000000079C0000-0x000000000803A000-memory.dmp

Filesize
6.5MB

Download
memory/4468-58-0x0000000007380000-0x000000000739A000-memory.dmp

Filesize
104KB

Download
memory/4468-59-0x00000000073F0000-0x00000000073FA000-memory.dmp

Filesize
40KB

Download
memory/4468-60-0x0000000007600000-0x0000000007696000-memory.dmp

Filesize
600KB

Download
memory/4468-61-0x0000000007580000-0x0000000007591000-memory.dmp

Filesize
68KB

Download
memory/4468-17-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4468-63-0x00000000075B0000-0x00000000075BE000-memory.dmp

Filesize
56KB

Download
memory/4468-64-0x00000000075C0000-0x00000000075D4000-memory.dmp

Filesize
80KB

Download
memory/4468-65-0x00000000076C0000-0x00000000076DA000-memory.dmp

Filesize
104KB

Download
memory/4468-66-0x00000000076A0000-0x00000000076A8000-memory.dmp

Filesize
32KB

Download
memory/4468-69-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download