agenttesla | 0f15aec57a52535ae678c8b3e900a4e2bab105d1676eb097ebecde04914aee1d

Analysis

max time kernel
111s
max time network
70s
platform
windows10_x64
resource
win10v20201028
submitted
05/11/2020, 14:09

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General

Target
PURCHASE ORDER (2).exe
Size 380KB
Sample201105-qfp858mnxe
SHA256 0f15aec57a52535ae678c8b3e900a4e2bab105d1676eb097ebecde04914aee1d
MD5 c6dba1d72dbf440d3fbf4e2729d80b85
SHA1 102b606193b7cc50010b4f84d338ea9a1eef4651
SHA512 0be6627299e796b178da6b632a2195e119baffaa2ed18d84a70eaec179afbc2cbbe96fd6cd20ec7c95a925bbb2d761a0c2d938cc515c5a1720fd7ae300a2db40
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.radianthospitals.org
Port
587
Username
[email protected]
Password
radiant2017

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2532-2-0x0000000000483210-mapping.dmp	family_agenttesla
behavioral2/memory/2532-5-0x0000000000400000-0x0000000000485000-memory.dmp	family_agenttesla
behavioral2/memory/2532-6-0x0000000002120000-0x000000000215C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PURCHASE ORDER (2).exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/632-0-0x0000000000400000-0x00000000004D2000-memory.dmp	upx
behavioral2/memory/2532-1-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/2532-4-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/2532-5-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/1204-7-0x0000000000400000-0x00000000004D2000-memory.dmp	upx

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	PURCHASE ORDER (2).exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 2532	632	PURCHASE ORDER (2).exe	78

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
632	PURCHASE ORDER (2).exe
632	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
1204	PURCHASE ORDER (2).exe
2532	PURCHASE ORDER (2).exe
2532	PURCHASE ORDER (2).exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
632	PURCHASE ORDER (2).exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2532	PURCHASE ORDER (2).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	PURCHASE ORDER (2).exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 2532	632	PURCHASE ORDER (2).exe	78
PID 632 wrote to memory of 2532	632	PURCHASE ORDER (2).exe	78
PID 632 wrote to memory of 2532	632	PURCHASE ORDER (2).exe	78
PID 632 wrote to memory of 1204	632	PURCHASE ORDER (2).exe	79
PID 632 wrote to memory of 1204	632	PURCHASE ORDER (2).exe	79
PID 632 wrote to memory of 1204	632	PURCHASE ORDER (2).exe	79

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:632
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:2532
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER (2).exe" 2 2532 259300640
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/632-0-0x0000000000400000-0x00000000004D2000-memory.dmp

Download

memory/1204-7-0x0000000000400000-0x00000000004D2000-memory.dmp

Download

memory/2532-8-0x00000000005E2000-0x00000000005E3000-memory.dmp

Download

memory/2532-4-0x0000000000400000-0x0000000000485000-memory.dmp

Download

memory/2532-5-0x0000000000400000-0x0000000000485000-memory.dmp

Download

memory/2532-6-0x0000000002120000-0x000000000215C000-memory.dmp

Download

memory/2532-1-0x0000000000400000-0x0000000000485000-memory.dmp

Download

memory/2532-9-0x00000000733B0000-0x0000000073A9E000-memory.dmp

Download

memory/2532-12-0x0000000004770000-0x0000000004771000-memory.dmp

Download

memory/2532-13-0x0000000004D50000-0x0000000004D51000-memory.dmp

Download

memory/2532-14-0x0000000005390000-0x0000000005391000-memory.dmp

Download

memory/2532-15-0x00000000053C0000-0x00000000053C1000-memory.dmp

Download

memory/2532-16-0x0000000005A70000-0x0000000005A71000-memory.dmp

Download

memory/2532-17-0x00000000055E0000-0x00000000055E1000-memory.dmp

Download