agenttesla | cea0cc8ffc824b546a1d7451135cf391f007f5d8c034c2cfa0ea4cdb81710221

Analysis

max time kernel
67s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 01:40

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General

Target

BL copy PDF.exe
Size

822KB
MD5

5a12438b3b4c926c12a9376c7bf13426
SHA1

c3185c6a5e5f07a5befbe4af7131d05634f5d1a3
SHA256

1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
SHA512

16c1e0e18eb8b3345b8b05443b782cb1dd35492ac986811c39f3cdce8dfe85b003aba029ffca0e38aa33c951d0d08281825152b0e239471eac3de18ac67864d0
SSDEEP

12288:tEqnHvjNIrpf9rN/mc/CaBmIwsyaPSIir97G6NLOZCGKEgbjuPBB5uO12rq:txPjKr5BNDWVxcSIiRG6atlB5N

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fascia-arch.com
Port:
587
Username:
[email protected]
Password:
HERbertstown1987
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

Processes:

BL copy PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	BL copy PDF.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

BL copy PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	BL copy PDF.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.

Processes:

flow ioc

5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

BL copy PDF.exe

description pid process target process

PID 2228 set thread context of 2512 2228 BL copy PDF.exe BL copy PDF.exe
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/Job
T1053

Processes:

schtasks.exe

pid process

4080 schtasks.exe

flow	ioc
5	api.ipify.org

description	pid	process	target process
PID 2228 set thread context of 2512	2228	BL copy PDF.exe	BL copy PDF.exe

pid	process
4080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

BL copy PDF.exepowershell.exeBL copy PDF.exepowershell.exe

pid	process
2228	BL copy PDF.exe
2228	BL copy PDF.exe
2228	BL copy PDF.exe
4016	powershell.exe
2512	BL copy PDF.exe
2512	BL copy PDF.exe
2376	powershell.exe
4016	powershell.exe
2376	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

BL copy PDF.exepowershell.exepowershell.exeBL copy PDF.exe

description	pid	process
Token: SeDebugPrivilege	2228	BL copy PDF.exe
Token: SeDebugPrivilege	4016	powershell.exe
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	2512	BL copy PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

BL copy PDF.exe

pid process

2512 BL copy PDF.exe

pid	process
2512	BL copy PDF.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

BL copy PDF.exe

description	pid	process	target process
PID 2228 wrote to memory of 4016	2228	BL copy PDF.exe	powershell.exe
PID 2228 wrote to memory of 4016	2228	BL copy PDF.exe	powershell.exe
PID 2228 wrote to memory of 4016	2228	BL copy PDF.exe	powershell.exe
PID 2228 wrote to memory of 2376	2228	BL copy PDF.exe	powershell.exe
PID 2228 wrote to memory of 2376	2228	BL copy PDF.exe	powershell.exe
PID 2228 wrote to memory of 2376	2228	BL copy PDF.exe	powershell.exe
PID 2228 wrote to memory of 4080	2228	BL copy PDF.exe	schtasks.exe
PID 2228 wrote to memory of 4080	2228	BL copy PDF.exe	schtasks.exe
PID 2228 wrote to memory of 4080	2228	BL copy PDF.exe	schtasks.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe
PID 2228 wrote to memory of 2512	2228	BL copy PDF.exe	BL copy PDF.exe

C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe
"C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4016

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CmxzrHBB.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2376

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7407.tmp"
2⤵
- Creates scheduled task(s)
PID:4080

C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe
"C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
49371bc3e8479b14c6b168dbdf6f397b

SHA1
79c0c2fd79125fea1968b0d62fcea265f629fb99

SHA256
efdb77135f8a630baabf950f8e41ae249f75fb45533b5576d64a346ee7ef7316

SHA512
5d2e11d1137ead3c2bb4d3eada14d26448091945dd4f37278618bef4e9ed5f510526621d9a12c61f951aa3afbe9c61995b72cf5f82e5d4d4f05bb95b6529e0a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h0pi4lz4.jpm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7407.tmp

Filesize
1KB

MD5
e7e4de112faf4ec2130f5a2b198c6724

SHA1
1052a51fb995f41373d0749d259dd55c7e4f083a

SHA256
e3d76ce643d9a814531a4ff079ffacd97b430598036bcc7de359de3fe29806d4

SHA512
e6c9173142e50237111b6c467a82f2c093c20cf114ac0fcde566f627f3ef7b265298de56adadfb5b7a6d45e7e35c4ea4b4d1dda1394261c2ed72be174faaa80b

Download Submit
memory/2228-6-0x0000000005430000-0x0000000005450000-memory.dmp

Filesize
128KB

Download
memory/2228-5-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/2228-4-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/2228-7-0x0000000006330000-0x0000000006344000-memory.dmp

Filesize
80KB

Download
memory/2228-8-0x0000000009090000-0x0000000009114000-memory.dmp

Filesize
528KB

Download
memory/2228-9-0x000000000C1B0000-0x000000000C24C000-memory.dmp

Filesize
624KB

Download
memory/2228-38-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/2228-3-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/2228-2-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/2228-0-0x0000000000800000-0x00000000008D4000-memory.dmp

Filesize
848KB

Download
memory/2228-1-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-87-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-18-0x00000000025C0000-0x00000000025D0000-memory.dmp

Filesize
64KB

Download
memory/2376-81-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/2376-62-0x0000000075550000-0x000000007559C000-memory.dmp

Filesize
304KB

Download
memory/2376-80-0x0000000007580000-0x000000000759A000-memory.dmp

Filesize
104KB

Download
memory/2376-72-0x00000000070F0000-0x0000000007193000-memory.dmp

Filesize
652KB

Download
memory/2376-79-0x0000000007480000-0x0000000007494000-memory.dmp

Filesize
80KB

Download
memory/2376-20-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-19-0x00000000025C0000-0x00000000025D0000-memory.dmp

Filesize
64KB

Download
memory/2376-73-0x0000000007880000-0x0000000007EFA000-memory.dmp

Filesize
6.5MB

Download
memory/2376-76-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/2376-48-0x0000000005F00000-0x0000000005F1E000-memory.dmp

Filesize
120KB

Download
memory/2376-49-0x0000000005F30000-0x0000000005F7C000-memory.dmp

Filesize
304KB

Download
memory/2376-75-0x00000000072B0000-0x00000000072BA000-memory.dmp

Filesize
40KB

Download
memory/2512-90-0x0000000006920000-0x0000000006970000-memory.dmp

Filesize
320KB

Download
memory/2512-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4016-25-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/4016-50-0x00000000078A0000-0x00000000078D2000-memory.dmp

Filesize
200KB

Download
memory/4016-74-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

Filesize
104KB

Download
memory/4016-61-0x0000000006E70000-0x0000000006E8E000-memory.dmp

Filesize
120KB

Download
memory/4016-51-0x0000000075550000-0x000000007559C000-memory.dmp

Filesize
304KB

Download
memory/4016-28-0x0000000006310000-0x0000000006664000-memory.dmp

Filesize
3.3MB

Download
memory/4016-77-0x0000000007DF0000-0x0000000007E01000-memory.dmp

Filesize
68KB

Download
memory/4016-78-0x0000000007E20000-0x0000000007E2E000-memory.dmp

Filesize
56KB

Download
memory/4016-26-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/4016-24-0x0000000005800000-0x0000000005822000-memory.dmp

Filesize
136KB

Download
memory/4016-22-0x0000000005AC0000-0x00000000060E8000-memory.dmp

Filesize
6.2MB

Download
memory/4016-15-0x0000000005310000-0x0000000005346000-memory.dmp

Filesize
216KB

Download
memory/4016-16-0x0000000005480000-0x0000000005490000-memory.dmp

Filesize
64KB

Download
memory/4016-17-0x0000000005480000-0x0000000005490000-memory.dmp

Filesize
64KB

Download
memory/4016-88-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-14-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download