agenttesla | f7f953c1fe2a993d404b4dbd1356f8cf4017c265ea9dafa60f8beeaff0c0588a

General

Target

PO # 11002021.exe
Size

701KB
MD5

11052389d3f9431d879eed5b171769b8
SHA1

014dc09296ddca08b8dea0bbda9a19b162e17f87
SHA256

f7f953c1fe2a993d404b4dbd1356f8cf4017c265ea9dafa60f8beeaff0c0588a
SHA512

744a6864123250630a197dde5da54e662d49eb6a3d3ae8c7a853f8e6e369ba27fa76dddb3848440e35c55f375663b2279afbe5cb2b51fc4760407cb9b3aa5b49

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aldhiyafainteriors.com
Port:
587
Username:
[email protected]
Password:
dhiyafa@987

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/296-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/296-129-0x00000000004376CE-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PO # 11002021.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO # 11002021.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	PO # 11002021.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO # 11002021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO # 11002021.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe"	PO # 11002021.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO # 11002021.exe

description pid process target process

PID 2504 set thread context of 296 2504 PO # 11002021.exe PO # 11002021.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

3952 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO # 11002021.exePO # 11002021.exe

pid process

2504 PO # 11002021.exe
296 PO # 11002021.exe
296 PO # 11002021.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO # 11002021.exePO # 11002021.exe

description pid process

Token: SeDebugPrivilege 2504 PO # 11002021.exe
Token: SeDebugPrivilege 296 PO # 11002021.exe

description	pid	process	target process
PID 2504 set thread context of 296	2504	PO # 11002021.exe	PO # 11002021.exe

pid	process
3952	schtasks.exe

pid	process
2504	PO # 11002021.exe
296	PO # 11002021.exe
296	PO # 11002021.exe

description	pid	process
Token: SeDebugPrivilege	2504	PO # 11002021.exe
Token: SeDebugPrivilege	296	PO # 11002021.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO # 11002021.exe

description	pid	process	target process
PID 2504 wrote to memory of 3952	2504	PO # 11002021.exe	schtasks.exe
PID 2504 wrote to memory of 3952	2504	PO # 11002021.exe	schtasks.exe
PID 2504 wrote to memory of 3952	2504	PO # 11002021.exe	schtasks.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe
PID 2504 wrote to memory of 296	2504	PO # 11002021.exe	PO # 11002021.exe

outlook_office_path 1 IoCs

Processes:

PO # 11002021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe

outlook_win_path 1 IoCs

Processes:

PO # 11002021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe

C:\Users\Admin\AppData\Local\Temp\PO # 11002021.exe
"C:\Users\Admin\AppData\Local\Temp\PO # 11002021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QarKnHvGxfLkZH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93DF.tmp"
2⤵
- Creates scheduled task(s)
PID:3952

C:\Users\Admin\AppData\Local\Temp\PO # 11002021.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
- outlook_office_path
- outlook_win_path
PID:296

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\PO # 11002021.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp93DF.tmp
MD5
b8e7358ec23287354124aebc39fb5eed

SHA1
095c5fc331ef9bd4691faa44e1eaf75171f2450b

SHA256
b1d5cdeadfcce538dd1913e9ed95d98a84eea0b354c3d046444f527485e677c3

SHA512
2214545fd8c1103332a07921b70ff5aec7962caebc4fa44e41cef5c3cfbb69b7081435ddd102ed41505680d01b79d9f27b17fab2d1fae0c90164946451da9064

Download Submit
memory/296-140-0x0000000005051000-0x0000000005052000-memory.dmp

Filesize
4KB

Download
memory/296-137-0x0000000005D70000-0x0000000005D71000-memory.dmp

Filesize
4KB

Download
memory/296-136-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/296-135-0x0000000005050000-0x0000000005051000-memory.dmp

Filesize
4KB

Download
memory/296-129-0x00000000004376CE-mapping.dmp

Download
memory/296-128-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2504-120-0x0000000004990000-0x0000000004A22000-memory.dmp

Filesize
584KB

Download
memory/2504-125-0x000000000ACD0000-0x000000000AD08000-memory.dmp

Filesize
224KB

Download
memory/2504-124-0x00000000084E0000-0x000000000855E000-memory.dmp

Filesize
504KB

Download
memory/2504-123-0x0000000004FC0000-0x0000000004FCE000-memory.dmp

Filesize
56KB

Download
memory/2504-122-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/2504-121-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/2504-115-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2504-119-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

Filesize
4KB

Download
memory/2504-118-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

Filesize
4KB

Download
memory/2504-117-0x0000000004A50000-0x0000000004A51000-memory.dmp

Filesize
4KB

Download
memory/3952-126-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads