agenttesla | 02132c8324f6c92f14c3253686a71a21197dfa7cfb8a9263196019e49adb84ac

General

Target

PURCHASE ORDER #298767649DF.exe
Size

571KB
MD5

38b5e64b40b7385e941853fafcca52ed
SHA1

3500d74b58a12151a541865eb72e54dc97553a8f
SHA256

0a15fc96322463009c95cafcf720acb2eb9dbee7baffbd1131532891db885a6e
SHA512

33b99a75e63d5d4497ef6a85e2a9f6cd3248a1110acec2864457b300194acdd582d9da6e932d9abca9265613495bbc753777066d4181462aef08862b89f96d6a

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dieseltronic.com.pe
Port:
587
Username:
[email protected]
Password:
Asdiesel2019@?%%%,

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2264-131-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2264-132-0x000000000043763E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PURCHASE ORDER #298767649DF.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PURCHASE ORDER #298767649DF.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PURCHASE ORDER #298767649DF.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PURCHASE ORDER #298767649DF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER #298767649DF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER #298767649DF.exe
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER #298767649DF.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PURCHASE ORDER #298767649DF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	PURCHASE ORDER #298767649DF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER #298767649DF.exe

description pid process target process

PID 3472 set thread context of 2264 3472 PURCHASE ORDER #298767649DF.exe PURCHASE ORDER #298767649DF.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

3220 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PURCHASE ORDER #298767649DF.exe

pid process

2264 PURCHASE ORDER #298767649DF.exe
2264 PURCHASE ORDER #298767649DF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER #298767649DF.exePURCHASE ORDER #298767649DF.exe

description pid process

Token: SeDebugPrivilege 3472 PURCHASE ORDER #298767649DF.exe
Token: SeDebugPrivilege 2264 PURCHASE ORDER #298767649DF.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PURCHASE ORDER #298767649DF.exe

pid process

2264 PURCHASE ORDER #298767649DF.exe

description	pid	process	target process
PID 3472 set thread context of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe

pid	process
3220	schtasks.exe

pid	process
2264	PURCHASE ORDER #298767649DF.exe
2264	PURCHASE ORDER #298767649DF.exe

description	pid	process
Token: SeDebugPrivilege	3472	PURCHASE ORDER #298767649DF.exe
Token: SeDebugPrivilege	2264	PURCHASE ORDER #298767649DF.exe

pid	process
2264	PURCHASE ORDER #298767649DF.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PURCHASE ORDER #298767649DF.exe

description	pid	process	target process
PID 3472 wrote to memory of 3220	3472	PURCHASE ORDER #298767649DF.exe	schtasks.exe
PID 3472 wrote to memory of 3220	3472	PURCHASE ORDER #298767649DF.exe	schtasks.exe
PID 3472 wrote to memory of 3220	3472	PURCHASE ORDER #298767649DF.exe	schtasks.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe
PID 3472 wrote to memory of 2264	3472	PURCHASE ORDER #298767649DF.exe	PURCHASE ORDER #298767649DF.exe

outlook_office_path 1 IoCs

Processes:

PURCHASE ORDER #298767649DF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER #298767649DF.exe

outlook_win_path 1 IoCs

Processes:

PURCHASE ORDER #298767649DF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER #298767649DF.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #298767649DF.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #298767649DF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KVsqXGOgiWC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BFB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3220
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #298767649DF.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:2264

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PURCHASE ORDER #298767649DF.exe.log

MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3BFB.tmp

MD5
3d06a1db4cae933352cc0fa6153bf19b

SHA1
443f4e8fd8b6f409e5c60519f94c1b001dbba093

SHA256
9fbf408f610769c3f595a4a359a8fbc9781ae1d51641b0ecedd23b6191cc49a8

SHA512
c4e26f67a77aa3c28e56f1960af5f7359c30842a6ce77d26b2d13c1abe594c1feaa19b8eaa6f9e4966de5eb2966cb785d28bf35b354390393572cea8bdcbb2ac

Download Submit
memory/2264-143-0x00000000056E1000-0x00000000056E2000-memory.dmp

Filesize
4KB

Download
memory/2264-140-0x0000000006400000-0x0000000006401000-memory.dmp

Filesize
4KB

Download
memory/2264-139-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

Download
memory/2264-138-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/2264-132-0x000000000043763E-mapping.dmp

Download
memory/2264-131-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3220-129-0x0000000000000000-mapping.dmp

Download
memory/3472-123-0x0000000005340000-0x000000000583E000-memory.dmp

Filesize
5.0MB

Download
memory/3472-128-0x0000000007AA0000-0x0000000007AD8000-memory.dmp

Filesize
224KB

Download
memory/3472-127-0x0000000007A00000-0x0000000007A80000-memory.dmp

Filesize
512KB

Download
memory/3472-126-0x0000000005420000-0x0000000005425000-memory.dmp

Filesize
20KB

Download
memory/3472-125-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/3472-124-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/3472-118-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download
memory/3472-122-0x0000000005340000-0x0000000005341000-memory.dmp

Filesize
4KB

Download
memory/3472-121-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/3472-120-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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