agenttesla | c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65

General

Target

c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe
Size

2.3MB
MD5

8b680fee3037740ed9fbd6d63ab67624
SHA1

0be0a8bc5d7857b015d90fef87feafab64767de1
SHA256

c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65
SHA512

edb9c9b89adfaa67f99fd99d7892ebcae2968055bd278994ce0c97c432e7fe7b51686da01018392a14ded399511e98ecce4596400cf8b6452ca24e245f74863b
SSDEEP

49152:54vdi8aM5CHrjH3tpLvSTzLYl0CHjKlVLd+:54

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
longyarh.shop
Port:
587
Username:
[email protected]
Password:
p^k_pr9;=tLX
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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tbfhfucs = "\"C:\\Users\\Admin\\AppData\\Roaming\\Oryijttxhd\\Tbfhfucs.exe\""	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.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
27	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4936 set thread context of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2728	powershell.exe
2728	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe
Token: SeDebugPrivilege	3232	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2728	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	82
PID 4936 wrote to memory of 2728	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	82
PID 4936 wrote to memory of 2728	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	82
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90
PID 4936 wrote to memory of 3232	4936	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe

C:\Users\Admin\AppData\Local\Temp\c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe
"C:\Users\Admin\AppData\Local\Temp\c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe
  C:\Users\Admin\AppData\Local\Temp\c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c0ab92024149d89362b285d15244e82909e713bd30a9b11adff12488197d4f65.exe.log

Filesize
1KB

MD5
7e88081fcf716d85992bb3af3d9b6454

SHA1
2153780fbc71061b0102a7a7b665349e1013e250

SHA256
5ffb4a3ea94a6a53c4f88e2191c6fec5fd8a7336e367aa113fe8c12631e0c4d2

SHA512
ec606e14367ae221c04f213a61a6f797034495121198e4788e3afa4aa8db67bf59c5c5210a56afae5557158e8923b013b371b84c7d64303618c5b4c57a2224f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mlodinbo.myf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2728-153-0x0000000007A70000-0x00000000080EA000-memory.dmp

Filesize
6.5MB

Download
memory/2728-157-0x0000000004E10000-0x0000000004E20000-memory.dmp

Filesize
64KB

Download
memory/2728-137-0x0000000005450000-0x0000000005A78000-memory.dmp

Filesize
6.2MB

Download
memory/2728-138-0x0000000004E10000-0x0000000004E20000-memory.dmp

Filesize
64KB

Download
memory/2728-139-0x0000000004E10000-0x0000000004E20000-memory.dmp

Filesize
64KB

Download
memory/2728-156-0x0000000004E10000-0x0000000004E20000-memory.dmp

Filesize
64KB

Download
memory/2728-145-0x0000000005B50000-0x0000000005BB6000-memory.dmp

Filesize
408KB

Download
memory/2728-146-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/2728-151-0x0000000006220000-0x000000000623E000-memory.dmp

Filesize
120KB

Download
memory/2728-152-0x0000000004E10000-0x0000000004E20000-memory.dmp

Filesize
64KB

Download
memory/2728-158-0x0000000004E10000-0x0000000004E20000-memory.dmp

Filesize
64KB

Download
memory/2728-154-0x0000000006730000-0x000000000674A000-memory.dmp

Filesize
104KB

Download
memory/2728-136-0x0000000002C60000-0x0000000002C96000-memory.dmp

Filesize
216KB

Download
memory/3232-169-0x0000000007330000-0x000000000733A000-memory.dmp

Filesize
40KB

Download
memory/3232-163-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3232-166-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/3232-167-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download
memory/3232-168-0x0000000007370000-0x0000000007402000-memory.dmp

Filesize
584KB

Download
memory/3232-170-0x00000000075A0000-0x00000000075F0000-memory.dmp

Filesize
320KB

Download
memory/3232-171-0x0000000007820000-0x00000000079E2000-memory.dmp

Filesize
1.8MB

Download
memory/3232-172-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download
memory/4936-155-0x0000000003570000-0x0000000003580000-memory.dmp

Filesize
64KB

Download
memory/4936-133-0x0000000000E90000-0x00000000010D8000-memory.dmp

Filesize
2.3MB

Download
memory/4936-134-0x0000000005F00000-0x0000000005F22000-memory.dmp

Filesize
136KB

Download
memory/4936-135-0x0000000003570000-0x0000000003580000-memory.dmp

Filesize
64KB

Download

Analysis

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