agenttesla | 27c1110123a884666fc61fd77e3ed754676a0f20b03a6aa8895066765a40989e

General

Target

purchase order HB-20-06099.exe
Size

446KB
MD5

2a4f2669b73ffc3bcb1f382774f57c37
SHA1

a5f0968074fae2fa93e10684fc03ec817198639f
SHA256

d2dbb94dedc36a45bd0f528aefae333861935729369b2136b85daa3ff77e4e0a
SHA512

ed1f55a2833460c9fd63d7305661bdab8c362579b630d7d2c05b2585ebf79a69f424b367f115721a3ae59491eef72a2bdd8d600656837921041696a022d35474

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.suncurepelletmill.com
Port:
587
Username:
[email protected]
Password:
pellet2013

Signatures

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

CoreEntity .NET Packer 2 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/1692-54-0x0000000000C00000-0x0000000000C76000-memory.dmp	coreentity
behavioral1/memory/1692-56-0x0000000000400000-0x0000000000408000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2032-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2032-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2032-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2032-66-0x000000000044C52E-mapping.dmp	family_agenttesla
behavioral1/memory/2032-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2032-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1692-57-0x00000000007A0000-0x00000000007F8000-memory.dmp	rezer0

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

purchase order HB-20-06099.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order HB-20-06099.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order HB-20-06099.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order HB-20-06099.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase order HB-20-06099.exe

description pid process target process

PID 1692 set thread context of 2032 1692 purchase order HB-20-06099.exe purchase order HB-20-06099.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

1756 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

purchase order HB-20-06099.exepurchase order HB-20-06099.exe

pid process

1692 purchase order HB-20-06099.exe
2032 purchase order HB-20-06099.exe
2032 purchase order HB-20-06099.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

purchase order HB-20-06099.exepurchase order HB-20-06099.exe

description pid process

Token: SeDebugPrivilege 1692 purchase order HB-20-06099.exe
Token: SeDebugPrivilege 2032 purchase order HB-20-06099.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

purchase order HB-20-06099.exe

pid process

2032 purchase order HB-20-06099.exe

description	pid	process	target process
PID 1692 set thread context of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe

pid	process
1756	schtasks.exe

pid	process
1692	purchase order HB-20-06099.exe
2032	purchase order HB-20-06099.exe
2032	purchase order HB-20-06099.exe

description	pid	process
Token: SeDebugPrivilege	1692	purchase order HB-20-06099.exe
Token: SeDebugPrivilege	2032	purchase order HB-20-06099.exe

pid	process
2032	purchase order HB-20-06099.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

purchase order HB-20-06099.exepurchase order HB-20-06099.exe

description	pid	process	target process
PID 1692 wrote to memory of 1756	1692	purchase order HB-20-06099.exe	schtasks.exe
PID 1692 wrote to memory of 1756	1692	purchase order HB-20-06099.exe	schtasks.exe
PID 1692 wrote to memory of 1756	1692	purchase order HB-20-06099.exe	schtasks.exe
PID 1692 wrote to memory of 1756	1692	purchase order HB-20-06099.exe	schtasks.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 1692 wrote to memory of 2032	1692	purchase order HB-20-06099.exe	purchase order HB-20-06099.exe
PID 2032 wrote to memory of 1468	2032	purchase order HB-20-06099.exe	netsh.exe
PID 2032 wrote to memory of 1468	2032	purchase order HB-20-06099.exe	netsh.exe
PID 2032 wrote to memory of 1468	2032	purchase order HB-20-06099.exe	netsh.exe
PID 2032 wrote to memory of 1468	2032	purchase order HB-20-06099.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

purchase order HB-20-06099.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order HB-20-06099.exe

outlook_win_path 1 IoCs

Processes:

purchase order HB-20-06099.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order HB-20-06099.exe

C:\Users\Admin\AppData\Local\Temp\purchase order HB-20-06099.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order HB-20-06099.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UICxns" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5429.tmp"
2⤵
- Creates scheduled task(s)
PID:1756

C:\Users\Admin\AppData\Local\Temp\purchase order HB-20-06099.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2032

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1468

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\Temp\tmp5429.tmp
Filesize
1KB

MD5
2e1f5fea4c3a99b288b58937b0d8ec74

SHA1
91d904157921382441d73fe4120b67f5995e1e37

SHA256
116429f1f7cf2bdb7e9a50cab0829fe2d2453b127481857fb4ba5ed6bbacc34b

SHA512
a9c0ab7668245bda6aaab640241060e635dfc88d0c3815c551b8c14c65227d49edc8a44d1e051a6be19460d42cec6b10dc5dd7703aef5511d650a3672b88e5dd

Download Submit
memory/1468-72-0x0000000000000000-mapping.dmp

Download
memory/1692-55-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1692-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1692-57-0x00000000007A0000-0x00000000007F8000-memory.dmp

Filesize
352KB

Download
memory/1692-54-0x0000000000C00000-0x0000000000C76000-memory.dmp

Filesize
472KB

Download
memory/1756-58-0x0000000000000000-mapping.dmp

Download
memory/2032-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2032-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2032-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2032-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2032-66-0x000000000044C52E-mapping.dmp

Download
memory/2032-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2032-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2032-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads