agenttesla | 61471a587d88347187764d53f4b5cfcf85d33af390c9f3334aeeec736c87eec9

General

Target

SHIPPING DOCS.exe
Size

857KB
MD5

ed941bf2c0d2145229ce8f9c24ef9069
SHA1

f72ad85d431c62c75e4eb0e2903ac82ea6104b95
SHA256

36c63120981769bc6a508edf5da75eae9504ab5a1ffa0fe8d9032ed9b8c124e2
SHA512

0458bcb57587bc627b29b3b83b84fdfdd2c93760c0f89a85a75f90868ca952bde72e92eacbf4c383c102c144669a4c222ece503c5152c50499808c43ab5919a3

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.varda.com.tr
Port:
587
Username:
[email protected]
Password:
varda9997929

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1208-138-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

SHIPPING DOCS.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	SHIPPING DOCS.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SHIPPING DOCS.exe

description pid process target process

PID 3944 set thread context of 1208 3944 SHIPPING DOCS.exe RegSvcs.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

2584 schtasks.exe

description	pid	process	target process
PID 3944 set thread context of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe

pid	process
2584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

SHIPPING DOCS.exeRegSvcs.exe

pid	process
3944	SHIPPING DOCS.exe
3944	SHIPPING DOCS.exe
3944	SHIPPING DOCS.exe
3944	SHIPPING DOCS.exe
3944	SHIPPING DOCS.exe
3944	SHIPPING DOCS.exe
1208	RegSvcs.exe
1208	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SHIPPING DOCS.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3944 SHIPPING DOCS.exe
Token: SeDebugPrivilege 1208 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3944	SHIPPING DOCS.exe
Token: SeDebugPrivilege	1208	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SHIPPING DOCS.exe

description	pid	process	target process
PID 3944 wrote to memory of 2584	3944	SHIPPING DOCS.exe	schtasks.exe
PID 3944 wrote to memory of 2584	3944	SHIPPING DOCS.exe	schtasks.exe
PID 3944 wrote to memory of 2584	3944	SHIPPING DOCS.exe	schtasks.exe
PID 3944 wrote to memory of 4420	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 4420	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 4420	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe
PID 3944 wrote to memory of 1208	3944	SHIPPING DOCS.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCS.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCS.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QEDlbq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F9B.tmp"
2⤵
- Creates scheduled task(s)
PID:2584

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:4420

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:1208

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9F9B.tmp

Filesize
1KB

MD5
126a9405950d07002e49df762e7d770b

SHA1
89823891301da5f1826aee2e7862281324fcee8a

SHA256
aa0f1b701ff88b54aaa83e9e29409bea05c85b633968fab48770cf56a392b27c

SHA512
cd0d91f618daec4bb6602cc71f63af6732ee289c6afcbf0f5fb9880d00e0c258c12e84b30ad1b26e42482a7e0544c344e8ad3ade531b48b44addc483a0f162fb

Download Submit
memory/1208-137-0x0000000000000000-mapping.dmp

Download
memory/1208-138-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1208-139-0x0000000005C40000-0x0000000005CA6000-memory.dmp

Filesize
408KB

Download
memory/1208-140-0x0000000006310000-0x0000000006360000-memory.dmp

Filesize
320KB

Download
memory/1208-141-0x00000000063F0000-0x00000000063FA000-memory.dmp

Filesize
40KB

Download
memory/2584-134-0x0000000000000000-mapping.dmp

Download
memory/3944-130-0x0000000000980000-0x0000000000A5C000-memory.dmp

Filesize
880KB

Download
memory/3944-131-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/3944-132-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/3944-133-0x00000000060A0000-0x000000000613C000-memory.dmp

Filesize
624KB

Download
memory/4420-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads