agenttesla | e3a8533dfda2254f7cc0abcc0d201c6a9285fe6d8c240879bec79b90276eac35

General

Target

1919.exe
Size

559KB
MD5

205083f15a3856bc55543a1584fc5e26
SHA1

a6d28626b6199d5e74cd403b601971bdc94c31c8
SHA256

4e917ed708e6c20ca6f74372e37680aac6af8a9fc214e903ff4297438cf94261
SHA512

5ed7c8d21060fb03fdf32a1282b28f8160ced94e3f78facf37dc9d0b158b8e9ecf29aa5f4165cae4860730abe91c99c03218b6ac48c20de905ebbf55ea2e8a5d
SSDEEP

6144:bBnyiTgcabVMZhjyaBfQxPul+b5YkD50gkzYLCO9zdGb+B7oSEz2buuEJIDcc4em:YfccMmaB0uWafz+CWGKKiSuywV4YC

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5453942321:AAF6CS9julQ6K7s5pxacNALwWJ2A52D0EC4/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Executes dropped EXE 2 IoCs

Processes:

hzhbur.exehzhbur.exe

pid process

1560 hzhbur.exe
764 hzhbur.exe
Loads dropped DLL 2 IoCs

Processes:

1919.exehzhbur.exe

pid process

1288 1919.exe
1560 hzhbur.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

pid	process
1560	hzhbur.exe
764	hzhbur.exe

pid	process
1288	1919.exe
1560	hzhbur.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

hzhbur.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzhbur.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzhbur.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzhbur.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hzhbur.exehzhbur.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gvmibv = "C:\\Users\\Admin\\AppData\\Roaming\\dicqgst\\gjtrq.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\hzhbur.exe\" C:\\Users\\Admin\\AppData\\Local\\Temp\\"	hzhbur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MYAPP = "C:\\Users\\Admin\\AppData\\Roaming\\MYAPP\\MYAPP.exe"	hzhbur.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

hzhbur.exe

description pid process target process

PID 1560 set thread context of 764 1560 hzhbur.exe hzhbur.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

hzhbur.exe

pid process

764 hzhbur.exe
764 hzhbur.exe
764 hzhbur.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

hzhbur.exe

pid process

1560 hzhbur.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hzhbur.exe

description pid process

Token: SeDebugPrivilege 764 hzhbur.exe

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

description	pid	process	target process
PID 1560 set thread context of 764	1560	hzhbur.exe	hzhbur.exe

pid	process
764	hzhbur.exe
764	hzhbur.exe
764	hzhbur.exe

pid	process
1560	hzhbur.exe

description	pid	process
Token: SeDebugPrivilege	764	hzhbur.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1919.exehzhbur.exe

description	pid	process	target process
PID 1288 wrote to memory of 1560	1288	1919.exe	hzhbur.exe
PID 1288 wrote to memory of 1560	1288	1919.exe	hzhbur.exe
PID 1288 wrote to memory of 1560	1288	1919.exe	hzhbur.exe
PID 1288 wrote to memory of 1560	1288	1919.exe	hzhbur.exe
PID 1560 wrote to memory of 764	1560	hzhbur.exe	hzhbur.exe
PID 1560 wrote to memory of 764	1560	hzhbur.exe	hzhbur.exe
PID 1560 wrote to memory of 764	1560	hzhbur.exe	hzhbur.exe
PID 1560 wrote to memory of 764	1560	hzhbur.exe	hzhbur.exe
PID 1560 wrote to memory of 764	1560	hzhbur.exe	hzhbur.exe

outlook_office_path 1 IoCs

Processes:

hzhbur.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzhbur.exe

outlook_win_path 1 IoCs

Processes:

hzhbur.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hzhbur.exe

C:\Users\Admin\AppData\Local\Temp\1919.exe
"C:\Users\Admin\AppData\Local\Temp\1919.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1288

C:\Users\Admin\AppData\Local\Temp\hzhbur.exe
"C:\Users\Admin\AppData\Local\Temp\hzhbur.exe" C:\Users\Admin\AppData\Local\Temp\emanbvbic.aa
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1560

C:\Users\Admin\AppData\Local\Temp\hzhbur.exe
"C:\Users\Admin\AppData\Local\Temp\hzhbur.exe" C:\Users\Admin\AppData\Local\Temp\emanbvbic.aa
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\emanbvbic.aa

Filesize
7KB

MD5
98e2bf47777a7c5dfdc63a896d62651d

SHA1
8f33bd57fca819c4e16de190baac86a5313fb0b4

SHA256
71428c125226cfd3de47f5c29c2e04e34291e414d53d4914a75524f9bab993a2

SHA512
36d3c09d38c0b6ac19e785c11ea9753cf81f2ecdf56c8a05702f340f82c4547d54055c013b5affaaba02f18857a90a4fbae5b4889b50df48efe2220caaff34d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\hzhbur.exe

Filesize
333KB

MD5
623c9c64aeb1e1588586d7b1108b5e91

SHA1
2d7164742f7e3cc911af7e33186ffed6a61cdab0

SHA256
e1b3ec9e724ebf04a57731de83ebfb6b4739bb356923451a8eeb97bf00569580

SHA512
45791164a9ef2826bd132a372ffcde3364713fc94f56abfe1dcbe87035feaa0d28846e42ff7b9e6e6d01d7679d75822c7ae8329533b65a35309d4df7c60f139b

Download Submit
C:\Users\Admin\AppData\Local\Temp\hzhbur.exe

Filesize
333KB

MD5
623c9c64aeb1e1588586d7b1108b5e91

SHA1
2d7164742f7e3cc911af7e33186ffed6a61cdab0

SHA256
e1b3ec9e724ebf04a57731de83ebfb6b4739bb356923451a8eeb97bf00569580

SHA512
45791164a9ef2826bd132a372ffcde3364713fc94f56abfe1dcbe87035feaa0d28846e42ff7b9e6e6d01d7679d75822c7ae8329533b65a35309d4df7c60f139b

Download Submit
C:\Users\Admin\AppData\Local\Temp\hzhbur.exe

Filesize
333KB

MD5
623c9c64aeb1e1588586d7b1108b5e91

SHA1
2d7164742f7e3cc911af7e33186ffed6a61cdab0

SHA256
e1b3ec9e724ebf04a57731de83ebfb6b4739bb356923451a8eeb97bf00569580

SHA512
45791164a9ef2826bd132a372ffcde3364713fc94f56abfe1dcbe87035feaa0d28846e42ff7b9e6e6d01d7679d75822c7ae8329533b65a35309d4df7c60f139b

Download Submit
C:\Users\Admin\AppData\Local\Temp\lbpmx.s

Filesize
296KB

MD5
a6c1f4366a2a4e89180ba3122f9925e3

SHA1
fb768860326b67a5e9acafb886e81a69985aefcb

SHA256
41b673b0d641aa13d712ab7622d6797b02ae2e61b8eef99a779e0ad11398e5d7

SHA512
46bae34b71fa083a8d4a3c31ae93e3f9daa56c5ae265bfbbb9650a8d7f4ba24da532738e5f3cfdd39ccdda3cf172190472048b7d3a28736f00965fd5492bea91

Download Submit
\Users\Admin\AppData\Local\Temp\hzhbur.exe

Filesize
333KB

MD5
623c9c64aeb1e1588586d7b1108b5e91

SHA1
2d7164742f7e3cc911af7e33186ffed6a61cdab0

SHA256
e1b3ec9e724ebf04a57731de83ebfb6b4739bb356923451a8eeb97bf00569580

SHA512
45791164a9ef2826bd132a372ffcde3364713fc94f56abfe1dcbe87035feaa0d28846e42ff7b9e6e6d01d7679d75822c7ae8329533b65a35309d4df7c60f139b

Download Submit
\Users\Admin\AppData\Local\Temp\hzhbur.exe

Filesize
333KB

MD5
623c9c64aeb1e1588586d7b1108b5e91

SHA1
2d7164742f7e3cc911af7e33186ffed6a61cdab0

SHA256
e1b3ec9e724ebf04a57731de83ebfb6b4739bb356923451a8eeb97bf00569580

SHA512
45791164a9ef2826bd132a372ffcde3364713fc94f56abfe1dcbe87035feaa0d28846e42ff7b9e6e6d01d7679d75822c7ae8329533b65a35309d4df7c60f139b

Download Submit
memory/764-63-0x0000000000401896-mapping.dmp

Download
memory/764-66-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/764-67-0x0000000001E40000-0x0000000001E7C000-memory.dmp

Filesize
240KB

Download
memory/1288-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1560-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads