agenttesla | e8434c616498087ebeaa23ca1b164dc1c4ba49579d759035b3e46c0c17bd3c75

Analysis

max time kernel
130s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2023 16:21

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General

Target

SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe
Size

704KB
MD5

a576153b3c74a904b1f8f45092615859
SHA1

7f6b01f1271c4138a4f8bf38e9543afc0cfca582
SHA256

e8434c616498087ebeaa23ca1b164dc1c4ba49579d759035b3e46c0c17bd3c75
SHA512

5502f1718cdacb8d21588c974955967fa56bdb1ed12e4618f3b159c1a3a514cc507a325bb67776b323c3e43c740c945111584fb9c1ada3a9a6ff39f2dffe8d69
SSDEEP

12288:WEjuxvGmhyeQsIVTTcagHHG5N4MAHKGiOgHos2VAiOji8wuQ5nH:dmQeQ1VTTh6MAZ4oscghwT5n

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

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\oIjuwq = "C:\\Users\\Admin\\AppData\\Roaming\\oIjuwq\\oIjuwq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 5092 set thread context of 2856 5092 WerFault.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3748 2856 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

5064 schtasks.exe

description	pid	process	target process
PID 5092 set thread context of 2856	5092	WerFault.exe	RegSvcs.exe

pid	pid_target	process	target process
3748	2856	WerFault.exe	RegSvcs.exe

pid	process
5064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exeWerFault.exepowershell.exeRegSvcs.exe

pid	process
5092	SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe
5092	SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe
5092	WerFault.exe
2388	powershell.exe
2388	powershell.exe
2856	RegSvcs.exe
2856	RegSvcs.exe
2856	RegSvcs.exe
2388	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exepowershell.exeRegSvcs.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	5092	SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe
Token: SeDebugPrivilege	2388	powershell.exe
Token: SeDebugPrivilege	2856	RegSvcs.exe
Token: SeManageVolumePrivilege	3432	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 5092 wrote to memory of 2388	5092	WerFault.exe	powershell.exe
PID 5092 wrote to memory of 2388	5092	WerFault.exe	powershell.exe
PID 5092 wrote to memory of 2388	5092	WerFault.exe	powershell.exe
PID 5092 wrote to memory of 5064	5092	WerFault.exe	schtasks.exe
PID 5092 wrote to memory of 5064	5092	WerFault.exe	schtasks.exe
PID 5092 wrote to memory of 5064	5092	WerFault.exe	schtasks.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe
PID 5092 wrote to memory of 2856	5092	WerFault.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5092

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hUHGAJnhSxVB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B4A.tmp"
2⤵
- Creates scheduled task(s)
PID:5064

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hUHGAJnhSxVB.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2388

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:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 1860
3⤵
- Program crash
PID:3748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2856 -ip 2856
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5092

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3784

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_33bks5t2.4v4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7B4A.tmp

Filesize
1KB

MD5
a53c19a1af99e8ce31b3443f401ce9c8

SHA1
f01130ba6fc08db9492b704ffb97fe993e3ca6c7

SHA256
8d6a03f0a4833cad47f25230855c61285a7b8fa21c1848f51dae16e4852da144

SHA512
20a4ce1c708bdf5a4872adec1d41b5f3621fcf81106a1383f94e170da2a9f3e2659fbf8a1bfabb0c769a3beac2a1ebf5b03b91a378f549e92e78430a613ad55e

Download Submit
memory/2388-19-0x0000000004C10000-0x0000000005238000-memory.dmp

Filesize
6.2MB

Download
memory/2388-61-0x0000000007080000-0x0000000007116000-memory.dmp

Filesize
600KB

Download
memory/2388-69-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2388-63-0x0000000007030000-0x000000000703E000-memory.dmp

Filesize
56KB

Download
memory/2388-65-0x0000000007140000-0x000000000715A000-memory.dmp

Filesize
104KB

Download
memory/2388-66-0x0000000007120000-0x0000000007128000-memory.dmp

Filesize
32KB

Download
memory/2388-64-0x0000000007040000-0x0000000007054000-memory.dmp

Filesize
80KB

Download
memory/2388-62-0x0000000007000000-0x0000000007011000-memory.dmp

Filesize
68KB

Download
memory/2388-42-0x000000007F080000-0x000000007F090000-memory.dmp

Filesize
64KB

Download
memory/2388-15-0x0000000004540000-0x0000000004576000-memory.dmp

Filesize
216KB

Download
memory/2388-17-0x00000000045D0000-0x00000000045E0000-memory.dmp

Filesize
64KB

Download
memory/2388-58-0x00000000074A0000-0x0000000007B1A000-memory.dmp

Filesize
6.5MB

Download
memory/2388-27-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/2388-29-0x00000000054B0000-0x0000000005516000-memory.dmp

Filesize
408KB

Download
memory/2388-60-0x0000000006E70000-0x0000000006E7A000-memory.dmp

Filesize
40KB

Download
memory/2388-16-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2388-39-0x0000000005520000-0x0000000005874000-memory.dmp

Filesize
3.3MB

Download
memory/2388-59-0x00000000061A0000-0x00000000061BA000-memory.dmp

Filesize
104KB

Download
memory/2388-24-0x0000000004A20000-0x0000000004A42000-memory.dmp

Filesize
136KB

Download
memory/2388-40-0x0000000005AD0000-0x0000000005AEE000-memory.dmp

Filesize
120KB

Download
memory/2388-41-0x0000000005B10000-0x0000000005B5C000-memory.dmp

Filesize
304KB

Download
memory/2388-43-0x00000000060F0000-0x0000000006122000-memory.dmp

Filesize
200KB

Download
memory/2388-54-0x0000000006090000-0x00000000060AE000-memory.dmp

Filesize
120KB

Download
memory/2388-55-0x00000000045D0000-0x00000000045E0000-memory.dmp

Filesize
64KB

Download
memory/2388-56-0x00000000045D0000-0x00000000045E0000-memory.dmp

Filesize
64KB

Download
memory/2388-57-0x0000000006B70000-0x0000000006C13000-memory.dmp

Filesize
652KB

Download
memory/2388-44-0x00000000710D0000-0x000000007111C000-memory.dmp

Filesize
304KB

Download
memory/2856-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2856-28-0x0000000005650000-0x0000000005660000-memory.dmp

Filesize
64KB

Download
memory/2856-26-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2856-71-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3432-88-0x000001AF17D70000-0x000001AF17D80000-memory.dmp

Filesize
64KB

Download
memory/3432-104-0x000001AF200E0000-0x000001AF200E1000-memory.dmp

Filesize
4KB

Download
memory/3432-108-0x000001AF20220000-0x000001AF20221000-memory.dmp

Filesize
4KB

Download
memory/3432-106-0x000001AF20110000-0x000001AF20111000-memory.dmp

Filesize
4KB

Download
memory/3432-107-0x000001AF20110000-0x000001AF20111000-memory.dmp

Filesize
4KB

Download
memory/5092-23-0x0000000003220000-0x0000000003230000-memory.dmp

Filesize
64KB

Download
memory/5092-0-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5092-7-0x0000000005CA0000-0x0000000005CA8000-memory.dmp

Filesize
32KB

Download
memory/5092-8-0x0000000005D20000-0x0000000005D2A000-memory.dmp

Filesize
40KB

Download
memory/5092-9-0x0000000006D60000-0x0000000006DDE000-memory.dmp

Filesize
504KB

Download
memory/5092-1-0x0000000000C50000-0x0000000000D06000-memory.dmp

Filesize
728KB

Download
memory/5092-5-0x0000000005790000-0x000000000579A000-memory.dmp

Filesize
40KB

Download
memory/5092-25-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5092-2-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/5092-20-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5092-4-0x0000000003220000-0x0000000003230000-memory.dmp

Filesize
64KB

Download
memory/5092-3-0x00000000056A0000-0x0000000005732000-memory.dmp

Filesize
584KB

Download
memory/5092-6-0x0000000005940000-0x000000000595A000-memory.dmp

Filesize
104KB

Download
memory/5092-10-0x00000000093A0000-0x000000000943C000-memory.dmp

Filesize
624KB

Download