agenttesla | 5adeb944aad149482098300397b26da3508a5ea50f8d0ede8a23afaeb3d464e5

General

Target

Quotation PDF.exe
Size

659KB
MD5

98b8971518202ded11fdcc151ed02557
SHA1

25628dc2c0a5d72dc211d927a93ce8b267c1c610
SHA256

a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
SHA512

f16b2994661ca330c591400d42c899ede141ef3b5c23fb453c7c8dc1abc8265b2113bd4e0ccc7c4a6d729e6ef603df654298ffb502af5a985c980508034234d1
SSDEEP

12288:aLbB778QvvMehgHaUJ4h+665eeTUPdphLhPf0bPp75mumu98FkEVZ9LfiN3sTxYj:GbBhMCwip65EVzL5ox7r96DFLfc

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4112-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4112-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4112-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4112-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4112-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4112-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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:

Quotation PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	Quotation 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:

Quotation PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	Quotation 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

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

Processes:

Quotation PDF.exe

description pid process target process

PID 4496 set thread context of 4112 4496 Quotation PDF.exe Quotation 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

2856 schtasks.exe

flow	ioc
7	api.ipify.org

description	pid	process	target process
PID 4496 set thread context of 4112	4496	Quotation PDF.exe	Quotation PDF.exe

pid	process
2856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

Quotation PDF.exepowershell.exeQuotation PDF.exepowershell.exe

pid	process
4496	Quotation PDF.exe
4496	Quotation PDF.exe
4496	Quotation PDF.exe
4496	Quotation PDF.exe
2596	powershell.exe
4496	Quotation PDF.exe
4112	Quotation PDF.exe
4112	Quotation PDF.exe
2368	powershell.exe
2596	powershell.exe
2368	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Quotation PDF.exepowershell.exepowershell.exeQuotation PDF.exe

description	pid	process
Token: SeDebugPrivilege	4496	Quotation PDF.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2368	powershell.exe
Token: SeDebugPrivilege	4112	Quotation PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation PDF.exe

pid process

4112 Quotation PDF.exe

pid	process
4112	Quotation PDF.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Quotation PDF.exe

description	pid	process	target process
PID 4496 wrote to memory of 2596	4496	Quotation PDF.exe	powershell.exe
PID 4496 wrote to memory of 2596	4496	Quotation PDF.exe	powershell.exe
PID 4496 wrote to memory of 2596	4496	Quotation PDF.exe	powershell.exe
PID 4496 wrote to memory of 2368	4496	Quotation PDF.exe	powershell.exe
PID 4496 wrote to memory of 2368	4496	Quotation PDF.exe	powershell.exe
PID 4496 wrote to memory of 2368	4496	Quotation PDF.exe	powershell.exe
PID 4496 wrote to memory of 2856	4496	Quotation PDF.exe	schtasks.exe
PID 4496 wrote to memory of 2856	4496	Quotation PDF.exe	schtasks.exe
PID 4496 wrote to memory of 2856	4496	Quotation PDF.exe	schtasks.exe
PID 4496 wrote to memory of 5052	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 5052	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 5052	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe
PID 4496 wrote to memory of 4112	4496	Quotation PDF.exe	Quotation PDF.exe

C:\Users\Admin\AppData\Local\Temp\Quotation PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4496

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\Quotation PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wIJZGYVmVbqsV.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wIJZGYVmVbqsV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7196.tmp"
2⤵
- Creates scheduled task(s)
PID:2856

C:\Users\Admin\AppData\Local\Temp\Quotation PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation PDF.exe"
2⤵
PID:5052

C:\Users\Admin\AppData\Local\Temp\Quotation PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4112

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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
e02a21db2596ab2cca3989eac023f6fa

SHA1
c2db439fd5a82f9aaa22473342b5ac5ba9f34c7d

SHA256
3976610a1ba23fad38fb32681b2356f50b9a227c6331674deafcbc2b68ac895e

SHA512
e254b97b2ea0437bd21712c5055ed65098368bfff6d66314e39f874faf600d6fcb73a8b52d1fe4642e36a7ea7a159668134ccb641a6eb43d4726268966be2856

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ru5edddi.hl1.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7196.tmp
Filesize
1KB

MD5
6920bbb2751daf3be16ac3feda19078b

SHA1
c00c00975b2601c33e3d6d3a6a46c7149e5164a2

SHA256
9b876454fa068ee154bd8002660ce1a68c144d666b40d895964549955c03a5b3

SHA512
d1ad7180d3f39ab0aecf54b69f94bdbd572c2d4a71ed3dec3dacab0399a29c6040c9fd6b8a47f48c72d6be26aca5a4d8c25fcbc6b613a597cd157026564d9731

Download Submit
memory/2368-77-0x0000000007100000-0x0000000007111000-memory.dmp

Filesize
68KB

Download
memory/2368-78-0x0000000007130000-0x000000000713E000-memory.dmp

Filesize
56KB

Download
memory/2368-21-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/2368-75-0x0000000006F70000-0x0000000006F7A000-memory.dmp

Filesize
40KB

Download
memory/2368-73-0x0000000007560000-0x0000000007BDA000-memory.dmp

Filesize
6.5MB

Download
memory/2368-61-0x0000000006B40000-0x0000000006B5E000-memory.dmp

Filesize
120KB

Download
memory/2368-51-0x0000000075350000-0x000000007539C000-memory.dmp

Filesize
304KB

Download
memory/2368-50-0x0000000006B80000-0x0000000006BB2000-memory.dmp

Filesize
200KB

Download
memory/2368-81-0x0000000007220000-0x0000000007228000-memory.dmp

Filesize
32KB

Download
memory/2368-88-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/2596-15-0x00000000028F0000-0x0000000002926000-memory.dmp

Filesize
216KB

Download
memory/2596-18-0x0000000002990000-0x00000000029A0000-memory.dmp

Filesize
64KB

Download
memory/2596-17-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/2596-19-0x0000000002990000-0x00000000029A0000-memory.dmp

Filesize
64KB

Download
memory/2596-24-0x0000000005AE0000-0x0000000005B46000-memory.dmp

Filesize
408KB

Download
memory/2596-23-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/2596-22-0x0000000005150000-0x0000000005172000-memory.dmp

Filesize
136KB

Download
memory/2596-76-0x00000000077C0000-0x0000000007856000-memory.dmp

Filesize
600KB

Download
memory/2596-28-0x0000000005B90000-0x0000000005EE4000-memory.dmp

Filesize
3.3MB

Download
memory/2596-74-0x0000000007540000-0x000000000755A000-memory.dmp

Filesize
104KB

Download
memory/2596-16-0x0000000005340000-0x0000000005968000-memory.dmp

Filesize
6.2MB

Download
memory/2596-72-0x00000000071F0000-0x0000000007293000-memory.dmp

Filesize
652KB

Download
memory/2596-48-0x0000000006210000-0x000000000622E000-memory.dmp

Filesize
120KB

Download
memory/2596-49-0x00000000062A0000-0x00000000062EC000-memory.dmp

Filesize
304KB

Download
memory/2596-87-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/2596-80-0x0000000007880000-0x000000000789A000-memory.dmp

Filesize
104KB

Download
memory/2596-62-0x0000000075350000-0x000000007539C000-memory.dmp

Filesize
304KB

Download
memory/2596-79-0x0000000007780000-0x0000000007794000-memory.dmp

Filesize
80KB

Download
memory/4112-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4112-90-0x0000000006B70000-0x0000000006BC0000-memory.dmp

Filesize
320KB

Download
memory/4496-38-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4496-7-0x0000000005B90000-0x0000000005B9E000-memory.dmp

Filesize
56KB

Download
memory/4496-8-0x0000000005BA0000-0x0000000005BB6000-memory.dmp

Filesize
88KB

Download
memory/4496-6-0x0000000005B40000-0x0000000005B58000-memory.dmp

Filesize
96KB

Download
memory/4496-5-0x0000000005A90000-0x0000000005A9A000-memory.dmp

Filesize
40KB

Download
memory/4496-9-0x0000000006CD0000-0x0000000006D54000-memory.dmp

Filesize
528KB

Download
memory/4496-10-0x0000000009490000-0x000000000952C000-memory.dmp

Filesize
624KB

Download
memory/4496-4-0x0000000005BE0000-0x0000000005BF0000-memory.dmp

Filesize
64KB

Download
memory/4496-3-0x00000000059F0000-0x0000000005A82000-memory.dmp

Filesize
584KB

Download
memory/4496-2-0x0000000005FA0000-0x0000000006544000-memory.dmp

Filesize
5.6MB

Download
memory/4496-1-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/4496-0-0x0000000000F50000-0x0000000000FFA000-memory.dmp

Filesize
680KB

Download
memory/4496-26-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads