agenttesla | b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3

General

Target

SOA 210523.exe
Size

689KB
MD5

e95931bd20db7e13562aba3b6dbb34ca
SHA1

fa930fba23a8b95b1aa011bbb52c748cd24e1471
SHA256

b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3
SHA512

7a3667af0b8edb24b47ed46f010e7bcca8999123fbf9ce4b98342ba3957a2c2d951610013186423e3c4d8f63f3a85d1f15ce229796d33a265b90ce9ef28c7052
SSDEEP

12288:ysIduv2iNfmFx2iqNhujGjUqwv3gnP25aaRH46jYeSDvnkTRe0Zk68LrB3:ysIduv1lmFxUEf68/4iY9DfQReT64B3

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
iebtzpacgzyullvo
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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	SOA 210523.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-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YLcqPJe = "C:\\Users\\Admin\\AppData\\Roaming\\YLcqPJe\\YLcqPJe.exe"	SOA 210523.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
40	api.ipify.org
41	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3800 set thread context of 796	3800	SOA 210523.exe	94

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
5068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3800	SOA 210523.exe
3800	SOA 210523.exe
3800	SOA 210523.exe
3800	SOA 210523.exe
180	powershell.exe
180	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3800	SOA 210523.exe
Token: SeDebugPrivilege	180	powershell.exe
Token: SeDebugPrivilege	796	SOA 210523.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 180	3800	SOA 210523.exe	89
PID 3800 wrote to memory of 180	3800	SOA 210523.exe	89
PID 3800 wrote to memory of 180	3800	SOA 210523.exe	89
PID 3800 wrote to memory of 5068	3800	SOA 210523.exe	91
PID 3800 wrote to memory of 5068	3800	SOA 210523.exe	91
PID 3800 wrote to memory of 5068	3800	SOA 210523.exe	91
PID 3800 wrote to memory of 3492	3800	SOA 210523.exe	93
PID 3800 wrote to memory of 3492	3800	SOA 210523.exe	93
PID 3800 wrote to memory of 3492	3800	SOA 210523.exe	93
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94
PID 3800 wrote to memory of 796	3800	SOA 210523.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe

C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe
"C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rVlKlic.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:180
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rVlKlic" /XML "C:\Users\Admin\AppData\Local\Temp\tmp158B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:5068
- C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe"
  2⤵
  PID:3492
- C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:796

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\SOA 210523.exe.log

Filesize
1KB

MD5
33d62ef2c354f839a8b2b987e6ee41e7

SHA1
d76f64ac411a61f3f232f7f9f7b179bd34042226

SHA256
f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

SHA512
d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jdexbs15.k35.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp158B.tmp

Filesize
1KB

MD5
8d6a3b54d0056ceaf0bfd7b983012acb

SHA1
0496cc77b0b06b38f97971d020a0365d5e8f55f7

SHA256
630ff6b563191bb82d9d54860843cd242ab8ee54b8fe3ec3bdf4b9202d7bc937

SHA512
39d565161f03c4418e10898e9226183961657ac57f6152899f9682155da79ad60d46e9e498db08591bbfbe0deab4e225bf8f687ebf82e6a6196ecf20a9c1d27e

Download Submit
memory/180-180-0x00000000075B0000-0x0000000007C2A000-memory.dmp

Filesize
6.5MB

Download
memory/180-166-0x0000000002380000-0x0000000002390000-memory.dmp

Filesize
64KB

Download
memory/180-189-0x0000000007280000-0x0000000007288000-memory.dmp

Filesize
32KB

Download
memory/180-188-0x00000000072A0000-0x00000000072BA000-memory.dmp

Filesize
104KB

Download
memory/180-144-0x0000000002390000-0x00000000023C6000-memory.dmp

Filesize
216KB

Download
memory/180-187-0x0000000007190000-0x000000000719E000-memory.dmp

Filesize
56KB

Download
memory/180-146-0x0000000004DF0000-0x0000000005418000-memory.dmp

Filesize
6.2MB

Download
memory/180-184-0x00000000071E0000-0x0000000007276000-memory.dmp

Filesize
600KB

Download
memory/180-165-0x0000000005C60000-0x0000000005C7E000-memory.dmp

Filesize
120KB

Download
memory/180-150-0x0000000004B90000-0x0000000004BB2000-memory.dmp

Filesize
136KB

Download
memory/180-151-0x0000000004D30000-0x0000000004D96000-memory.dmp

Filesize
408KB

Download
memory/180-152-0x0000000005420000-0x0000000005486000-memory.dmp

Filesize
408KB

Download
memory/180-183-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

Filesize
40KB

Download
memory/180-182-0x000000007F360000-0x000000007F370000-memory.dmp

Filesize
64KB

Download
memory/180-181-0x0000000006F60000-0x0000000006F7A000-memory.dmp

Filesize
104KB

Download
memory/180-163-0x0000000002380000-0x0000000002390000-memory.dmp

Filesize
64KB

Download
memory/180-178-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/180-164-0x0000000002380000-0x0000000002390000-memory.dmp

Filesize
64KB

Download
memory/180-167-0x0000000006220000-0x0000000006252000-memory.dmp

Filesize
200KB

Download
memory/180-168-0x0000000071520000-0x000000007156C000-memory.dmp

Filesize
304KB

Download
memory/796-162-0x0000000005830000-0x0000000005840000-memory.dmp

Filesize
64KB

Download
memory/796-147-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/796-185-0x00000000074A0000-0x00000000074F0000-memory.dmp

Filesize
320KB

Download
memory/796-186-0x00000000076C0000-0x0000000007882000-memory.dmp

Filesize
1.8MB

Download
memory/796-192-0x0000000005830000-0x0000000005840000-memory.dmp

Filesize
64KB

Download
memory/3800-135-0x0000000004B20000-0x0000000004BB2000-memory.dmp

Filesize
584KB

Download
memory/3800-133-0x00000000000B0000-0x0000000000162000-memory.dmp

Filesize
712KB

Download
memory/3800-137-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

Filesize
64KB

Download
memory/3800-134-0x00000000051C0000-0x0000000005764000-memory.dmp

Filesize
5.6MB

Download
memory/3800-136-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/3800-139-0x0000000005C00000-0x0000000005C9C000-memory.dmp

Filesize
624KB

Download
memory/3800-138-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads