agenttesla | 5cc893fb2e3faa09d682518a49142101fb1c1c75a4d00b6b0315af20d89c19ff

Analysis

max time kernel
109s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2023, 01:42

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General

Target

62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe
Size

2.5MB
MD5

b689c5cb896835c4a6a3bbe33129dd37
SHA1

bc28e1905621106085707866a88162c9a867a009
SHA256

62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50
SHA512

95d1504adc7b88c287ee72ae975a95e7c64dc9f2eaa58b5706699a1b0131c2284ce820e79c97fa241536608f30813f21dad791df7df6b38064e3c4a5ee69073e
SSDEEP

24576:xBrXtw2Irak7ZoNNosz4TztSXXo5pl9YZq2v3ret511WKe++7PXf:X9qNm4T86MejWjTv

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
logxtai.shop
Port:
587
Username:
[email protected]
Password:
g%=fFsvUUCI*
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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 2 IoCs

pid	Process
2068	Tcnmikbbfcbl.exe
4424	Faedr.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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Faedr.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Faedr.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Faedr.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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ckje = "C:\\Users\\Admin\\AppData\\Roaming\\deebf\\ckje.exe"	Tcnmikbbfcbl.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
28	api.ipify.org
29	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2068	Tcnmikbbfcbl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	Tcnmikbbfcbl.exe
Token: SeDebugPrivilege	4424	Faedr.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 2472 wrote to memory of 4888	2472	62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe	84
PID 4888 wrote to memory of 2068	4888	RegAsm.exe	85
PID 4888 wrote to memory of 2068	4888	RegAsm.exe	85
PID 4888 wrote to memory of 2068	4888	RegAsm.exe	85
PID 4888 wrote to memory of 4424	4888	RegAsm.exe	86
PID 4888 wrote to memory of 4424	4888	RegAsm.exe	86
PID 4888 wrote to memory of 4424	4888	RegAsm.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Faedr.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Faedr.exe

C:\Users\Admin\AppData\Local\Temp\62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe
"C:\Users\Admin\AppData\Local\Temp\62c22196418123be9af8ab9c5a0d6ceac9b966b8ac5c241fa2f59fe64f3dbf50.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4888
- - C:\Users\Admin\AppData\Local\Temp\Tcnmikbbfcbl.exe
    "C:\Users\Admin\AppData\Local\Temp\Tcnmikbbfcbl.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    PID:2068
- - C:\Users\Admin\AppData\Local\Temp\Faedr.exe
    "C:\Users\Admin\AppData\Local\Temp\Faedr.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4424

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Faedr.exe

Filesize
164KB

MD5
55a4b1839408ca24880d72641c323123

SHA1
02067283b2339edf44ca02794301b29eb529eb25

SHA256
33eed90ee9d7f5e5dde26e930f424fc0a6a78b9f99a67837ef0be5a0b3945106

SHA512
182213f5882727b77533e1d440be0f9eeede25f5810b207ab7d99aeeffea7ba930923979a128959e55c04fb0a8f753bd84e84e34a4a79b1ed56d306119b826cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Faedr.exe

Filesize
164KB

MD5
55a4b1839408ca24880d72641c323123

SHA1
02067283b2339edf44ca02794301b29eb529eb25

SHA256
33eed90ee9d7f5e5dde26e930f424fc0a6a78b9f99a67837ef0be5a0b3945106

SHA512
182213f5882727b77533e1d440be0f9eeede25f5810b207ab7d99aeeffea7ba930923979a128959e55c04fb0a8f753bd84e84e34a4a79b1ed56d306119b826cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Faedr.exe

Filesize
164KB

MD5
55a4b1839408ca24880d72641c323123

SHA1
02067283b2339edf44ca02794301b29eb529eb25

SHA256
33eed90ee9d7f5e5dde26e930f424fc0a6a78b9f99a67837ef0be5a0b3945106

SHA512
182213f5882727b77533e1d440be0f9eeede25f5810b207ab7d99aeeffea7ba930923979a128959e55c04fb0a8f753bd84e84e34a4a79b1ed56d306119b826cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tcnmikbbfcbl.exe

Filesize
541KB

MD5
64cf6f9f2af4fdb442807392ad8a21c2

SHA1
2effb6251c48e02518b3f9a1b7aa78f99726dc6a

SHA256
4345d15dcca24277c7d1f60d1583ae1d58d029c9aeaecc76b13c5daf07ce48a3

SHA512
89d8b88c761de2192729f804465750d7c6f329fd5e063876af3ff381e8343dbb9588644e5050892717374bcc6eb770aed0a5a05b40ecb578bd9deb8000c13443

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tcnmikbbfcbl.exe

Filesize
541KB

MD5
64cf6f9f2af4fdb442807392ad8a21c2

SHA1
2effb6251c48e02518b3f9a1b7aa78f99726dc6a

SHA256
4345d15dcca24277c7d1f60d1583ae1d58d029c9aeaecc76b13c5daf07ce48a3

SHA512
89d8b88c761de2192729f804465750d7c6f329fd5e063876af3ff381e8343dbb9588644e5050892717374bcc6eb770aed0a5a05b40ecb578bd9deb8000c13443

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tcnmikbbfcbl.exe

Filesize
541KB

MD5
64cf6f9f2af4fdb442807392ad8a21c2

SHA1
2effb6251c48e02518b3f9a1b7aa78f99726dc6a

SHA256
4345d15dcca24277c7d1f60d1583ae1d58d029c9aeaecc76b13c5daf07ce48a3

SHA512
89d8b88c761de2192729f804465750d7c6f329fd5e063876af3ff381e8343dbb9588644e5050892717374bcc6eb770aed0a5a05b40ecb578bd9deb8000c13443

Download Submit
memory/2068-211-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-191-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-1369-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2068-160-0x0000000000670000-0x00000000006FE000-memory.dmp

Filesize
568KB

Download
memory/2068-217-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-219-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-221-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-225-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-229-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-166-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-165-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-169-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-171-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-173-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-175-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-227-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-178-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2068-179-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-181-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-183-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-185-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-187-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-189-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-223-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-193-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-195-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-197-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-199-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-201-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-203-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-205-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-207-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-209-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-215-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2068-213-0x0000000004F40000-0x0000000005007000-memory.dmp

Filesize
796KB

Download
memory/2472-133-0x0000000000900000-0x0000000000B92000-memory.dmp

Filesize
2.6MB

Download
memory/4424-176-0x0000000005280000-0x0000000005290000-memory.dmp

Filesize
64KB

Download
memory/4424-167-0x0000000005290000-0x00000000052F6000-memory.dmp

Filesize
408KB

Download
memory/4424-164-0x00000000009F0000-0x0000000000A20000-memory.dmp

Filesize
192KB

Download
memory/4424-598-0x0000000006F20000-0x0000000006F70000-memory.dmp

Filesize
320KB

Download
memory/4424-603-0x0000000007140000-0x0000000007302000-memory.dmp

Filesize
1.8MB

Download
memory/4424-1367-0x0000000005280000-0x0000000005290000-memory.dmp

Filesize
64KB

Download
memory/4888-140-0x0000000005060000-0x0000000005070000-memory.dmp

Filesize
64KB

Download
memory/4888-134-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/4888-136-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/4888-137-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/4888-138-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download