agenttesla | 80d7bee80bb433d5abf96e8ec335f07034e97d0cd95c09ae94777bbd9c83cc14

Analysis

max time kernel
133s
max time network
119s
platform
windows7_x64
resource
win7-en-20211208
submitted
21/01/2022, 03:21

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General

Target
Invoice & Packing list.exe
Size 1.2MB
Sample220121-dwb8jsdcg4
SHA256 80d7bee80bb433d5abf96e8ec335f07034e97d0cd95c09ae94777bbd9c83cc14
MD5 16b299ef8685574de4d444c0dcfe141e
SHA1 5cfe3c25950d5925ef9b93e43c8ebe5d2c97e8c8
SHA512 d65aae942d8cd90714dfbb4bda407154b7b6a82732a2f08b842d6ac990d1d62b170332e17533459e918dd3935b8c2514a45cd9f217adc718b1ebc1b1a48606a1
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.scsgroups.com
Port
587
Username
[email protected]
Password
Scs@sales#123

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1860-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1860-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1860-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1860-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 1860	1592	Invoice & Packing list.exe	28

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1592	Invoice & Packing list.exe
1592	Invoice & Packing list.exe
1860	RegSvcs.exe
1860	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1592	Invoice & Packing list.exe
Token: SeDebugPrivilege	1860	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1860	RegSvcs.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 572	1592	Invoice & Packing list.exe	27
PID 1592 wrote to memory of 572	1592	Invoice & Packing list.exe	27
PID 1592 wrote to memory of 572	1592	Invoice & Packing list.exe	27
PID 1592 wrote to memory of 572	1592	Invoice & Packing list.exe	27
PID 1592 wrote to memory of 572	1592	Invoice & Packing list.exe	27
PID 1592 wrote to memory of 572	1592	Invoice & Packing list.exe	27
PID 1592 wrote to memory of 572	1592	Invoice & Packing list.exe	27
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28
PID 1592 wrote to memory of 1860	1592	Invoice & Packing list.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1592-53-0x0000000000870000-0x00000000009AA000-memory.dmp

Download

memory/1592-54-0x0000000076151000-0x0000000076153000-memory.dmp

Download

memory/1592-55-0x0000000004D40000-0x0000000004D41000-memory.dmp

Download

memory/1592-56-0x0000000000210000-0x000000000021A000-memory.dmp

Download

memory/1592-57-0x0000000005C80000-0x0000000005D1E000-memory.dmp

Download

memory/1592-58-0x00000000057C0000-0x0000000005822000-memory.dmp

Download

memory/1860-61-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1860-60-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1860-62-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1860-59-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1860-63-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1860-64-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1860-65-0x0000000002150000-0x0000000002151000-memory.dmp

Download

memory/1860-67-0x0000000002151000-0x0000000002152000-memory.dmp

Download