agenttesla | e749697baf047ee9b5261865ffb43b8b92e77288f9d764798d00c2fd685ca573

General

Target

tmp.exe
Size

340KB
MD5

845971e68786f9c59ad9e4d5b7a2b1fe
SHA1

619a41e8a05c9f1f8aa56684e6578f9efd2acf0f
SHA256

e749697baf047ee9b5261865ffb43b8b92e77288f9d764798d00c2fd685ca573
SHA512

c00e5cc5bc66c3ef5e078330aa26d5a6c29cd76c611418c3bf16e6f1d25693974757e97cd689c7a587d9a3c4ddecf6c90bd8be7f7015d082987cdc6e1683400b
SSDEEP

6144:c8k80ckeOTFIdzXdVufRrLivwburclAp07IdY:c8k80ckeaId65LswburcypJ

Score

10^/10

agenttesla xworm keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7178103238:AAFpcijMmYeMlJJVnAmpmroCaHuSs5YlbxU/

Extracted

Family

xworm

C2

127.0.0.1:5000

51.89.241.91:5000

Attributes

Install_directory
%Public%
install_file
Adobe Cloud.exe
telegram
https://api.telegram.org/bot5474576959:AAEFEPb7hmHEmq_ZM_jasyYk46DECm44Sm0/sendMessage?chat_id=1412104349

Signatures

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

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe	family_xworm
behavioral1/memory/2684-11-0x00000000001B0000-0x00000000001C6000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Drops startup file 2 IoCs

Processes:

Adobe Cloud.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Adobe Cloud.lnk	Adobe Cloud.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Adobe Cloud.lnk	Adobe Cloud.exe

Executes dropped EXE 1 IoCs

Processes:

Adobe Cloud.exe

pid process

2684 Adobe Cloud.exe
Loads dropped DLL 1 IoCs

Processes:

tmp.exe

pid process

2028 tmp.exe
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

pid	process
2684	Adobe Cloud.exe

pid	process
2028	tmp.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

tmp.exeAdobe Cloud.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\System interrupt = "C:\\Users\\Admin\\AppData\\Roaming\\System interrupt\\System interrupt.exe"	tmp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe Cloud = "C:\\Users\\Public\\Adobe Cloud.exe"	Adobe Cloud.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
6 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

892 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Adobe Cloud.exe

pid process

2684 Adobe Cloud.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

2028 tmp.exe
2028 tmp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exeAdobe Cloud.exe

description pid process

Token: SeDebugPrivilege 2028 tmp.exe
Token: SeDebugPrivilege 2684 Adobe Cloud.exe
Token: SeDebugPrivilege 2684 Adobe Cloud.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

tmp.exe

pid process

2028 tmp.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	ip-api.com

pid	process
892	schtasks.exe

pid	process
2684	Adobe Cloud.exe

pid	process
2028	tmp.exe
2028	tmp.exe

description	pid	process
Token: SeDebugPrivilege	2028	tmp.exe
Token: SeDebugPrivilege	2684	Adobe Cloud.exe
Token: SeDebugPrivilege	2684	Adobe Cloud.exe

pid	process
2028	tmp.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

tmp.exeAdobe Cloud.exe

description	pid	process	target process
PID 2028 wrote to memory of 2684	2028	tmp.exe	Adobe Cloud.exe
PID 2028 wrote to memory of 2684	2028	tmp.exe	Adobe Cloud.exe
PID 2028 wrote to memory of 2684	2028	tmp.exe	Adobe Cloud.exe
PID 2028 wrote to memory of 2684	2028	tmp.exe	Adobe Cloud.exe
PID 2684 wrote to memory of 892	2684	Adobe Cloud.exe	schtasks.exe
PID 2684 wrote to memory of 892	2684	Adobe Cloud.exe	schtasks.exe
PID 2684 wrote to memory of 892	2684	Adobe Cloud.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Adobe Cloud" /tr "C:\Users\Public\Adobe Cloud.exe"
3⤵
- Creates scheduled task(s)
PID:892

C:\Windows\system32\taskeng.exe
taskeng.exe {BE1B4800-DB54-4999-8644-606ADD3A0ADC} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
1⤵
PID:2388

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Adobe Cloud.exe
Filesize
66KB

MD5
43a6696dfbd330e7a31b6fea5c221355

SHA1
0e7344b329e0d188a5bb39179822cd94a2d94296

SHA256
d9275381bfa7cb754b86f2610ac3e0885d0f38a837e7173a5b45edc8912b607a

SHA512
b741612a7623982c1ae727bf96c004825675e5bd3fb701638b98eca67dc27b19db6202803ad54894e573e61f036466959b7f022e3dad4c62a3ae358130ffaedc

Download Submit
memory/2028-0-0x0000000000D60000-0x0000000000DBC000-memory.dmp

Filesize
368KB

Download
memory/2028-1-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-2-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2028-18-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-19-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/2684-11-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/2684-12-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

Filesize
9.9MB

Download
memory/2684-17-0x000000001B080000-0x000000001B100000-memory.dmp

Filesize
512KB

Download
memory/2684-20-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

Filesize
9.9MB

Download
memory/2684-21-0x000000001B080000-0x000000001B100000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads