agenttesla | c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e

Analysis

max time kernel
120s
max time network
140s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15-05-2024 01:50

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General

Target

c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
Size

248KB
MD5

a7ee4bf397ac471b6e818964bc9f518a
SHA1

a042a85d36f52537aa7ed433bdf641dcd81d7cfa
SHA256

c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e
SHA512

3805160ea83e316e71614bbbec2b93fe9d54efb3f8497e53acbb2f44ad24bc19640b526c11824fc4e7e077120613150b97beca83afd1d406d10cc69c80b6a03e
SSDEEP

3072:m6HN1dPKXDENnCDDRvLGyrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/SPYm21KLV:m6HNCUstvLGxOLbMUsK6sH

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
s9jjoVvaZchS
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
behavioral1/memory/1992-3-0x0000000008650000-0x0000000008880000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-7-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-4-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-5-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-11-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-19-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-17-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-15-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-13-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-21-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-9-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-23-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-49-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-27-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-25-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-29-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-31-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-39-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-53-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-67-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-65-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-63-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-61-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-59-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-57-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-55-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-51-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-47-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-45-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-43-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-41-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-37-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-35-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1992-33-0x0000000008650000-0x000000000887A000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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

resource	yara_rule
behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

resource	yara_rule
behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

resource	yara_rule
behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

resource	yara_rule
behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

resource	yara_rule
behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

resource	yara_rule
behavioral1/memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe"	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 api.ipify.org
4 api.ipify.org

flow	ioc
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

description	pid	process	target process
PID 1992 set thread context of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

pid process

1140 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
1140 c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

pid	process
1140	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
1140	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exec8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

description	pid	process
Token: SeDebugPrivilege	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
Token: SeDebugPrivilege	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
Token: SeDebugPrivilege	1140	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

description	pid	process	target process
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
PID 1992 wrote to memory of 1140	1992	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe	c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe

C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
"C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe
"C:\Users\Admin\AppData\Local\Temp\c8052ad8ff1118aa8a367e8b3b6040d604ffcd7108e7553c072012c5e062698e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1140

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1140-4906-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1140-4909-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1140-4908-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1140-4907-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1992-63-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-2-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-5-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-59-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-19-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-17-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-15-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-13-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-21-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-9-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-23-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-49-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-27-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-25-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-29-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-31-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-39-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-55-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-67-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-65-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

Filesize
4KB

Download
memory/1992-61-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-11-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-4-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-53-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-51-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-47-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-45-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-43-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-41-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-37-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-35-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-33-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-4884-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-4885-0x0000000001130000-0x000000000119C000-memory.dmp

Filesize
432KB

Download
memory/1992-4886-0x0000000000D30000-0x0000000000D7C000-memory.dmp

Filesize
304KB

Download
memory/1992-4887-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

Filesize
4KB

Download
memory/1992-4888-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-4889-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-4890-0x0000000004E10000-0x0000000004E64000-memory.dmp

Filesize
336KB

Download
memory/1992-4905-0x0000000074BA0000-0x000000007528E000-memory.dmp

Filesize
6.9MB

Download
memory/1992-7-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-3-0x0000000008650000-0x0000000008880000-memory.dmp

Filesize
2.2MB

Download
memory/1992-57-0x0000000008650000-0x000000000887A000-memory.dmp

Filesize
2.2MB

Download
memory/1992-1-0x00000000011E0000-0x0000000001220000-memory.dmp

Filesize
256KB

Download