agenttesla | ff93a2e2fc9a3ff0bfe4ae5b9bef84478972cc403c1c68ce1de414e19acfa6ea

General

Target

contract copy.exe
Size

644KB
MD5

a7ad0ba62dd43be3bde3182daee37242
SHA1

2d020705a207956277362c288631aefce048fa20
SHA256

ff93a2e2fc9a3ff0bfe4ae5b9bef84478972cc403c1c68ce1de414e19acfa6ea
SHA512

0bfb8385a7621ebcc75aa1af2963ea5f70467177a8190f324a7d2fa6153603d82df03b2556312aded543fba87c6858d0f78a5d3fbe9f945c7693f54615612261
SSDEEP

12288:zL2iNvRDWMdaJT5dQqreSItmis1ZCbTXXCk0pGShnSJ1dxAsS/:v1tRtdaZkkeSIhs1wrykXSMJ1Q

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.quartziax.com
Port:
587
Username:
[email protected]
Password:
bSshyjZ4

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.quartziax.com
Port:
587
Username:
[email protected]
Password:
bSshyjZ4
Email To:
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	contract copy.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	contract copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	contract copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	contract copy.exe

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zRshgsL = "C:\\Users\\Admin\\AppData\\Roaming\\zRshgsL\\zRshgsL.exe"	contract copy.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.

flow	ioc
30	api.ipify.org
31	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3804 set thread context of 1220	3804	contract copy.exe	97

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

T1053

pid	Process
4640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3804	contract copy.exe
3804	contract copy.exe
3920	powershell.exe
3920	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3804	contract copy.exe
Token: SeDebugPrivilege	3920	powershell.exe
Token: SeDebugPrivilege	1220	contract copy.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 3920	3804	contract copy.exe	93
PID 3804 wrote to memory of 3920	3804	contract copy.exe	93
PID 3804 wrote to memory of 3920	3804	contract copy.exe	93
PID 3804 wrote to memory of 4640	3804	contract copy.exe	95
PID 3804 wrote to memory of 4640	3804	contract copy.exe	95
PID 3804 wrote to memory of 4640	3804	contract copy.exe	95
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97
PID 3804 wrote to memory of 1220	3804	contract copy.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	contract copy.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	contract copy.exe

C:\Users\Admin\AppData\Local\Temp\contract copy.exe
"C:\Users\Admin\AppData\Local\Temp\contract copy.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YkmINle.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3920
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YkmINle" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A1D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4640
- C:\Users\Admin\AppData\Local\Temp\contract copy.exe
  "C:\Users\Admin\AppData\Local\Temp\contract copy.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1220

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\contract copy.exe.log

Filesize
1KB

MD5
33d62ef2c354f839a8b2b987e6ee41e7

SHA1
d76f64ac411a61f3f232f7f9f7b179bd34042226

SHA256
f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

SHA512
d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4ycrlfz5.c2w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2A1D.tmp

Filesize
1KB

MD5
978ea2d096bb4307800eb7ffcc231c5b

SHA1
59ef9fbc979fdf8a7581c431865d283e6596222a

SHA256
0f901fca3675d056a480bdc30c1d47cef06664efcce4ef284cb96c4e8d07a485

SHA512
8caa43671b92eaf9afbd5f06ce83f5e7ff5aea36de7243452c4453ff85fa5a64edd3e081455eb52a39ec459a38b264030d56a31aae7fddb7e097e078a87b67de

Download Submit
memory/1220-163-0x0000000005420000-0x0000000005430000-memory.dmp

Filesize
64KB

Download
memory/1220-153-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download
memory/1220-184-0x0000000006EC0000-0x0000000006F10000-memory.dmp

Filesize
320KB

Download
memory/1220-148-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1220-198-0x0000000005420000-0x0000000005430000-memory.dmp

Filesize
64KB

Download
memory/1220-185-0x00000000070E0000-0x00000000072A2000-memory.dmp

Filesize
1.8MB

Download
memory/3804-137-0x0000000005620000-0x000000000562A000-memory.dmp

Filesize
40KB

Download
memory/3804-133-0x0000000000C80000-0x0000000000D28000-memory.dmp

Filesize
672KB

Download
memory/3804-139-0x0000000008660000-0x00000000086FC000-memory.dmp

Filesize
624KB

Download
memory/3804-138-0x0000000005820000-0x0000000005830000-memory.dmp

Filesize
64KB

Download
memory/3804-136-0x0000000005820000-0x0000000005830000-memory.dmp

Filesize
64KB

Download
memory/3804-135-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download
memory/3804-134-0x0000000005C30000-0x00000000061D4000-memory.dmp

Filesize
5.6MB

Download
memory/3920-145-0x0000000002B60000-0x0000000002B70000-memory.dmp

Filesize
64KB

Download
memory/3920-181-0x00000000077B0000-0x00000000077CA000-memory.dmp

Filesize
104KB

Download
memory/3920-165-0x00000000064A0000-0x00000000064BE000-memory.dmp

Filesize
120KB

Download
memory/3920-164-0x0000000002B60000-0x0000000002B70000-memory.dmp

Filesize
64KB

Download
memory/3920-167-0x0000000002B60000-0x0000000002B70000-memory.dmp

Filesize
64KB

Download
memory/3920-168-0x0000000006AB0000-0x0000000006AE2000-memory.dmp

Filesize
200KB

Download
memory/3920-169-0x00000000704E0000-0x000000007052C000-memory.dmp

Filesize
304KB

Download
memory/3920-179-0x0000000006A70000-0x0000000006A8E000-memory.dmp

Filesize
120KB

Download
memory/3920-180-0x0000000007E00000-0x000000000847A000-memory.dmp

Filesize
6.5MB

Download
memory/3920-152-0x0000000005DB0000-0x0000000005E16000-memory.dmp

Filesize
408KB

Download
memory/3920-182-0x0000000007820000-0x000000000782A000-memory.dmp

Filesize
40KB

Download
memory/3920-183-0x000000007F9F0000-0x000000007FA00000-memory.dmp

Filesize
64KB

Download
memory/3920-151-0x0000000005D10000-0x0000000005D32000-memory.dmp

Filesize
136KB

Download
memory/3920-186-0x0000000007A30000-0x0000000007AC6000-memory.dmp

Filesize
600KB

Download
memory/3920-147-0x0000000005570000-0x0000000005B98000-memory.dmp

Filesize
6.2MB

Download
memory/3920-193-0x00000000079E0000-0x00000000079EE000-memory.dmp

Filesize
56KB

Download
memory/3920-194-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

Filesize
104KB

Download
memory/3920-195-0x0000000007AD0000-0x0000000007AD8000-memory.dmp

Filesize
32KB

Download
memory/3920-144-0x0000000004F00000-0x0000000004F36000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads