agenttesla | 9850d360aafb1897fa5452ba024d77062e3d55cd4f3985c0b85ab1f333678e9a | Triage

Analysis

max time kernel
38s
max time network
18s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 13:26

Sharing

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General

Target

invoceI14711472.pdf.exe
Size

599KB
MD5

05fc8c317d930cb9a38241e2acd12b6b
SHA1

8ccb99e44aab813419f4a64d07bc05c7f40067fe
SHA256

9850d360aafb1897fa5452ba024d77062e3d55cd4f3985c0b85ab1f333678e9a
SHA512

56d0128c721ff4cc74033c1405eefa560bd3634aab24bd07b174d219aefdf6c8c294ed8e0194840e00974e5d77035bbca062053a2f8f7b23be00cf5046df04c8
SSDEEP

12288:aJH5uUobt6yZqiPuSaUQvud1mlTP9yYXkuXIxc4wJiQ8OxVHE0D:CobIyEiPuvUSuSd9yYXctcNxi0D

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
email.globeauto.in
Port:
587
Username:
[email protected]
Password:
Mohali@@1#
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2840 svchost.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exeWerFault.exe

pid process

2700 cmd.exe
2928 WerFault.exe
2928 WerFault.exe
2928 WerFault.exe
2928 WerFault.exe
2928 WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

invoceI14711472.pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	invoceI14711472.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 2840 set thread context of 2412 2840 svchost.exe jsc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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

3048 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2424 timeout.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

invoceI14711472.pdf.exejsc.exe

pid process

2176 invoceI14711472.pdf.exe
2176 invoceI14711472.pdf.exe
2412 jsc.exe
2412 jsc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

invoceI14711472.pdf.exesvchost.exejsc.exe

description pid process

Token: SeDebugPrivilege 2176 invoceI14711472.pdf.exe
Token: SeDebugPrivilege 2840 svchost.exe
Token: SeDebugPrivilege 2412 jsc.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

invoceI14711472.pdf.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 2176 wrote to memory of 2292	2176	invoceI14711472.pdf.exe	cmd.exe
PID 2176 wrote to memory of 2292	2176	invoceI14711472.pdf.exe	cmd.exe
PID 2176 wrote to memory of 2292	2176	invoceI14711472.pdf.exe	cmd.exe
PID 2176 wrote to memory of 2700	2176	invoceI14711472.pdf.exe	cmd.exe
PID 2176 wrote to memory of 2700	2176	invoceI14711472.pdf.exe	cmd.exe
PID 2176 wrote to memory of 2700	2176	invoceI14711472.pdf.exe	cmd.exe
PID 2700 wrote to memory of 2424	2700	cmd.exe	timeout.exe
PID 2700 wrote to memory of 2424	2700	cmd.exe	timeout.exe
PID 2700 wrote to memory of 2424	2700	cmd.exe	timeout.exe
PID 2292 wrote to memory of 3048	2292	cmd.exe	schtasks.exe
PID 2292 wrote to memory of 3048	2292	cmd.exe	schtasks.exe
PID 2292 wrote to memory of 3048	2292	cmd.exe	schtasks.exe
PID 2700 wrote to memory of 2840	2700	cmd.exe	svchost.exe
PID 2700 wrote to memory of 2840	2700	cmd.exe	svchost.exe
PID 2700 wrote to memory of 2840	2700	cmd.exe	svchost.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2412	2840	svchost.exe	jsc.exe
PID 2840 wrote to memory of 2928	2840	svchost.exe	WerFault.exe
PID 2840 wrote to memory of 2928	2840	svchost.exe	WerFault.exe
PID 2840 wrote to memory of 2928	2840	svchost.exe	WerFault.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\invoceI14711472.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invoceI14711472.pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2292

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:3048

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E9D.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2700

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2424

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2412

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2840 -s 716
4⤵
- Loads dropped DLL
PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4E9D.tmp.bat

Filesize
151B

MD5
7ccc3b77487d25018a8e3bc4151cb637

SHA1
37e1e2a45efd1716f5f6acee514edcc7044c6351

SHA256
6a924ed41cabe0ce340cbb5969e538c6bc0951db2ac6c0d97b6b254d6f17048b

SHA512
dfb21072ebf7f8c8526fe002cb6f56595a1fdd33100502c923c9375b8e254c82515701d8e759752479ee8c331d56559133f6615c79682ec8eaa9cb8706991323

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe

Filesize
599KB

MD5
05fc8c317d930cb9a38241e2acd12b6b

SHA1
8ccb99e44aab813419f4a64d07bc05c7f40067fe

SHA256
9850d360aafb1897fa5452ba024d77062e3d55cd4f3985c0b85ab1f333678e9a

SHA512
56d0128c721ff4cc74033c1405eefa560bd3634aab24bd07b174d219aefdf6c8c294ed8e0194840e00974e5d77035bbca062053a2f8f7b23be00cf5046df04c8

Download Submit
memory/2176-0-0x0000000000B60000-0x0000000000B68000-memory.dmp

Filesize
32KB

Download
memory/2176-1-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/2176-2-0x000000001B440000-0x000000001B4C0000-memory.dmp

Filesize
512KB

Download
memory/2176-3-0x000000001B320000-0x000000001B3B6000-memory.dmp

Filesize
600KB

Download
memory/2176-13-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/2412-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2412-37-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/2412-41-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/2412-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2412-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2412-40-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2412-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2412-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2412-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2412-35-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-18-0x00000000010D0000-0x00000000010D8000-memory.dmp

Filesize
32KB

Download
memory/2840-38-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/2840-39-0x000000001A910000-0x000000001A990000-memory.dmp

Filesize
512KB

Download
memory/2840-19-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/2840-20-0x000000001A910000-0x000000001A990000-memory.dmp

Filesize
512KB

Download