agenttesla | fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a

Analysis

max time kernel
149s
max time network
134s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 02:03

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General

Target

fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe
Size

343KB
MD5

3de33761d18c33ebbf8e9d0d8f17aab1
SHA1

f62a08e7b8a49fb51b7a19b56462ed74a6489cde
SHA256

fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a
SHA512

e3b91ec66d2471e4b5ab1c1a64a20c59dac1fba911c06c18b59722d7d808572e0d9951a03eb2f4aad797920bfc433e199fcfff71c81eb64d06aa67473f393dcd
SSDEEP

6144:O/c/43APFfobmbCkegPds+3F6O3MOLS29SIcBj7XQkjjMPEqDSGgS:OR3efobm+Quy4O3PO2cIcd73jMPEqDSc

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp8nl.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#
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. 2 IoCs

resource	yara_rule
behavioral1/memory/2524-81-0x0000000000490000-0x00000000014F2000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-82-0x0000000000490000-0x00000000004D0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

resource	yara_rule
behavioral1/memory/2524-81-0x0000000000490000-0x00000000014F2000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-82-0x0000000000490000-0x00000000004D0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs

resource	yara_rule
behavioral1/memory/2524-81-0x0000000000490000-0x00000000014F2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-82-0x0000000000490000-0x00000000004D0000-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 2 IoCs

resource	yara_rule
behavioral1/memory/2524-81-0x0000000000490000-0x00000000014F2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-82-0x0000000000490000-0x00000000004D0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs

resource	yara_rule
behavioral1/memory/2524-81-0x0000000000490000-0x00000000014F2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-82-0x0000000000490000-0x00000000004D0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs

resource	yara_rule
behavioral1/memory/2524-81-0x0000000000490000-0x00000000014F2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-82-0x0000000000490000-0x00000000004D0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Loads dropped DLL 1 IoCs

pid	Process
2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	drive.google.com
5	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2524	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe
2524	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2524	2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\subtilisers.Apo149	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe
File opened for modification	C:\Program Files (x86)\digesture.fro	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\folkekulturelt.ind	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe

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
2524	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe
2524	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2524	2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe	28
PID 2328 wrote to memory of 2524	2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe	28
PID 2328 wrote to memory of 2524	2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe	28
PID 2328 wrote to memory of 2524	2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe	28
PID 2328 wrote to memory of 2524	2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe	28
PID 2328 wrote to memory of 2524	2328	fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe	28

C:\Users\Admin\AppData\Local\Temp\fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe
"C:\Users\Admin\AppData\Local\Temp\fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe
  "C:\Users\Admin\AppData\Local\Temp\fab9809b4f04191f935e53c298de6a0d0c23e4d2589fc60a2e06c5735f70866a.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsi1344.tmp\System.dll

Filesize
12KB

MD5
d6f54d2cefdf58836805796f55bfc846

SHA1
b980addc1a755b968dd5799179d3b4f1c2de9d2d

SHA256
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9

SHA512
ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db

Download Submit
memory/2328-57-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2524-58-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2524-80-0x0000000000490000-0x00000000014F2000-memory.dmp

Filesize
16.4MB

Download
memory/2524-81-0x0000000000490000-0x00000000014F2000-memory.dmp

Filesize
16.4MB

Download
memory/2524-82-0x0000000000490000-0x00000000004D0000-memory.dmp

Filesize
256KB

Download