agenttesla | 32cd1f8991c49c2f78f177d0a73c1898a66688129dcfdd647367df36f90db933

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2023 15:30

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General

Target

Invoice 570429.exe
Size

17KB
MD5

af317f313efdbcfd959ebd12cdca7ef4
SHA1

d30eb416498ab3adb33351fb8aadbf84af0b53f4
SHA256

bd8edeada1927c7fc6c0a816c824f5973477368cc61045c7d8ab4f1d60c842a2
SHA512

bd6e82d6033bda321cfda5c32729dea111274349266a6a679d629b597711cb5dc5c078095259ecc3c7226878d4e88019434ac11ffbddbda9cad018b54fdb45d4
SSDEEP

384:p7n2/uF8iEgE6ki29QAV1VF0hXHMGBk7/UMQ3J4:NnFHJP2/V1VaXLkj24

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.merlinmotorworks.com
Port:
587
Username:
[email protected]
Password:
Merlin1080S

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.merlinmotorworks.com
Port:
587
Username:
[email protected]
Password:
Merlin1080S
Email To:
[email protected]

Signatures

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

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1748-3-0x00000000069C0000-0x0000000006A68000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-4-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-5-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-7-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-9-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-11-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-13-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-15-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-17-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-19-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-21-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-23-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-25-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-27-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-29-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-31-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-33-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-35-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-37-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-39-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-41-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-43-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-45-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-47-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-49-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-51-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-53-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-55-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-57-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-59-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-61-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-63-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-65-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1
behavioral2/memory/1748-67-0x00000000069C0000-0x0000000006A63000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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
T1552.001
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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Invoice 570429.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windows_update = "C:\\Users\\Admin\\AppData\\Roaming\\windows_update.exe"	Invoice 570429.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

72 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice 570429.exe

description pid process target process

PID 1748 set thread context of 3052 1748 Invoice 570429.exe Invoice 570429.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Invoice 570429.exe

pid process

3052 Invoice 570429.exe
3052 Invoice 570429.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice 570429.exeInvoice 570429.exe

description pid process

Token: SeDebugPrivilege 1748 Invoice 570429.exe
Token: SeDebugPrivilege 3052 Invoice 570429.exe

flow	ioc
72	ip-api.com

description	pid	process	target process
PID 1748 set thread context of 3052	1748	Invoice 570429.exe	Invoice 570429.exe

pid	process
3052	Invoice 570429.exe
3052	Invoice 570429.exe

description	pid	process
Token: SeDebugPrivilege	1748	Invoice 570429.exe
Token: SeDebugPrivilege	3052	Invoice 570429.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Invoice 570429.exe

description	pid	process	target process
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe
PID 1748 wrote to memory of 3052	1748	Invoice 570429.exe	Invoice 570429.exe

C:\Users\Admin\AppData\Local\Temp\Invoice 570429.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice 570429.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748

C:\Users\Admin\AppData\Local\Temp\Invoice 570429.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice 570429.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice 570429.exe.log

Filesize
1KB

MD5
489c7565f9b029ba9fadff774073cc98

SHA1
56c05089b33ee7e7dfa9e6a2d098164efd8e1150

SHA256
10bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4

SHA512
ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac

Download Submit
memory/1748-0-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/1748-1-0x0000000000D50000-0x0000000000D58000-memory.dmp

Filesize
32KB

Download
memory/1748-2-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/1748-3-0x00000000069C0000-0x0000000006A68000-memory.dmp

Filesize
672KB

Download
memory/1748-4-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-5-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-7-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-9-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-11-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-13-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-15-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-17-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-19-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-21-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-23-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-25-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-27-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-29-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-31-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-33-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-35-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-37-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-39-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-41-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-43-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-45-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-47-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-49-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-51-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-53-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-55-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-57-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-59-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-61-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-63-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-65-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-67-0x00000000069C0000-0x0000000006A63000-memory.dmp

Filesize
652KB

Download
memory/1748-926-0x0000000006030000-0x0000000006031000-memory.dmp

Filesize
4KB

Download
memory/1748-927-0x0000000006B10000-0x0000000006B52000-memory.dmp

Filesize
264KB

Download
memory/1748-928-0x0000000006B50000-0x0000000006B9C000-memory.dmp

Filesize
304KB

Download
memory/1748-929-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/1748-930-0x00000000075D0000-0x0000000007B74000-memory.dmp

Filesize
5.6MB

Download
memory/1748-938-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/1748-939-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/3052-935-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3052-936-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3052-937-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/3052-940-0x0000000005280000-0x00000000052E6000-memory.dmp

Filesize
408KB

Download
memory/3052-941-0x0000000006690000-0x00000000066E0000-memory.dmp

Filesize
320KB

Download
memory/3052-942-0x0000000006780000-0x000000000681C000-memory.dmp

Filesize
624KB

Download
memory/3052-943-0x00000000068C0000-0x0000000006952000-memory.dmp

Filesize
584KB

Download
memory/3052-944-0x0000000006840000-0x000000000684A000-memory.dmp

Filesize
40KB

Download
memory/3052-945-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3052-946-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download