agenttesla | bcaa7a736371d8db89c5ae663c529635632e86d02273e430997a6373e8f8788e

General

Target

PURCHASE ORDER.exe
Size

483KB
MD5

6b2a61536797c25fadf61b9e118a9764
SHA1

cef336921af96c09cfb04b2992ca43354c78ec9d
SHA256

bcaa7a736371d8db89c5ae663c529635632e86d02273e430997a6373e8f8788e
SHA512

2cc99c1372e6610aad7be337aee127316733f4ad5fb495bc79362aa8cb3fcb5f6cb644abe26afc2bead6653c92faa2b8683a9e9aa1d8358c11fbf34604ae862e

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:
rahman@aldhiyafainteriors.com
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/2984-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2984-129-0x00000000004376CE-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PURCHASE ORDER.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PURCHASE ORDER.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.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PURCHASE ORDER.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	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PURCHASE ORDER.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"	PURCHASE ORDER.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER.exe

description pid process target process

PID 3168 set thread context of 2984 3168 PURCHASE ORDER.exe PURCHASE ORDER.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

492 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PURCHASE ORDER.exePURCHASE ORDER.exe

pid process

3168 PURCHASE ORDER.exe
2984 PURCHASE ORDER.exe
2984 PURCHASE ORDER.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER.exePURCHASE ORDER.exe

description pid process

Token: SeDebugPrivilege 3168 PURCHASE ORDER.exe
Token: SeDebugPrivilege 2984 PURCHASE ORDER.exe

description	pid	process	target process
PID 3168 set thread context of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe

pid	process
492	schtasks.exe

pid	process
3168	PURCHASE ORDER.exe
2984	PURCHASE ORDER.exe
2984	PURCHASE ORDER.exe

description	pid	process
Token: SeDebugPrivilege	3168	PURCHASE ORDER.exe
Token: SeDebugPrivilege	2984	PURCHASE ORDER.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PURCHASE ORDER.exe

description	pid	process	target process
PID 3168 wrote to memory of 492	3168	PURCHASE ORDER.exe	schtasks.exe
PID 3168 wrote to memory of 492	3168	PURCHASE ORDER.exe	schtasks.exe
PID 3168 wrote to memory of 492	3168	PURCHASE ORDER.exe	schtasks.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 3168 wrote to memory of 2984	3168	PURCHASE ORDER.exe	PURCHASE ORDER.exe

outlook_office_path 1 IoCs

Processes:

PURCHASE ORDER.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	PURCHASE ORDER.exe

outlook_win_path 1 IoCs

Processes:

PURCHASE ORDER.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	PURCHASE ORDER.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3168

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tUVJHdWNSkqfw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B1E.tmp"
2⤵
- Creates scheduled task(s)
PID:492

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.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:2984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PURCHASE ORDER.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4B1E.tmp
MD5
956f1231c0d069b1467d32048879c87e

SHA1
c0281a3780306d27ffcbdb3ba5711655b7c6838b

SHA256
3fa3faa967c154fa6334c08f492b8116cb59057e0fb3465bed3294d035450bf8

SHA512
3636a0ef00388df34fc309eadd0e9530139d2c55716bea5563385f249354b4cef9bbb53c46924146fd9132ca19a625daf483d71aab38798667c5b1f2743851ed

Download Submit
memory/492-126-0x0000000000000000-mapping.dmp

Download
memory/2984-140-0x0000000004D81000-0x0000000004D82000-memory.dmp

Filesize
4KB

Download
memory/2984-137-0x0000000005A70000-0x0000000005A71000-memory.dmp

Filesize
4KB

Download
memory/2984-136-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/2984-135-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/2984-129-0x00000000004376CE-mapping.dmp

Download
memory/2984-128-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3168-120-0x0000000004CD0000-0x00000000051CE000-memory.dmp

Filesize
5.0MB

Download
memory/3168-125-0x0000000007FD0000-0x0000000008008000-memory.dmp

Filesize
224KB

Download
memory/3168-124-0x0000000005A60000-0x0000000005AD9000-memory.dmp

Filesize
484KB

Download
memory/3168-123-0x0000000004BF0000-0x0000000004BFE000-memory.dmp

Filesize
56KB

Download
memory/3168-122-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/3168-121-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/3168-115-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/3168-119-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/3168-118-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

Download
memory/3168-117-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads