agenttesla | bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8

General

Target

SOA of Apr.exe
Size

512KB
MD5

78f344f6c6b3b72c0cb00aad5be0e396
SHA1

243d8b307e27b7b7055fa3938336b77d20b50901
SHA256

bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8
SHA512

0bc5c08cfd13c124591c8cabdba5f2eeeffd012b11ed80c193de1505250c3f4f7b3ee7cf67f64bf6530ae2de7a7d1547a224d070b87da3b66768c4dead6eff6f
SSDEEP

12288:25rr62iNf4mcqWFDFSO5o/bGXt2u4+rIDgAnjq:2A1uvI84aA

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.wecaresvc.com
Port:
587
Username:
[email protected]
Password:
u9367gk8qc

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wecaresvc.com
Port:
587
Username:
[email protected]
Password:
u9367gk8qc
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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	SOA of Apr.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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SIqmq = "C:\\Users\\Admin\\AppData\\Roaming\\SIqmq\\SIqmq.exe"	SOA of Apr.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
32	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4176 set thread context of 4296	4176	SOA of Apr.exe	92

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
4404	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4176	SOA of Apr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4176	SOA of Apr.exe
Token: SeDebugPrivilege	4296	SOA of Apr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 4404	4176	SOA of Apr.exe	90
PID 4176 wrote to memory of 4404	4176	SOA of Apr.exe	90
PID 4176 wrote to memory of 4404	4176	SOA of Apr.exe	90
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92
PID 4176 wrote to memory of 4296	4176	SOA of Apr.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe

C:\Users\Admin\AppData\Local\Temp\SOA of Apr.exe
"C:\Users\Admin\AppData\Local\Temp\SOA of Apr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AUuxAAGYVd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A6B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4404
- C:\Users\Admin\AppData\Local\Temp\SOA of Apr.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4296

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 of Apr.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2A6B.tmp

Filesize
1KB

MD5
8815cde431c85a0c9b4d39439ad95c65

SHA1
578a158509c40ab841a54f93762c63012d0b61d0

SHA256
fe425ebfb0cd97566477175db8cd048af603793e5ea13e03c8c589614a94bf63

SHA512
e286b1883dfa394988772842e4b67deb2586750c015c19780d1d7ba30e1ee489978d1ed16e2d4e24d187f9bc68cfb2798bd86b9ce663a946008947921a11a6a3

Download Submit
memory/4176-136-0x00000000055D0000-0x000000000566C000-memory.dmp

Filesize
624KB

Download
memory/4176-133-0x0000000000B90000-0x0000000000C16000-memory.dmp

Filesize
536KB

Download
memory/4176-137-0x0000000005530000-0x000000000553A000-memory.dmp

Filesize
40KB

Download
memory/4176-138-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/4176-139-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/4176-135-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/4176-134-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download
memory/4296-143-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4296-146-0x0000000004FD0000-0x0000000005036000-memory.dmp

Filesize
408KB

Download
memory/4296-147-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/4296-148-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/4296-150-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download
memory/4296-151-0x0000000006D50000-0x0000000006F12000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads