agenttesla | b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:11

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General

Target

b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe
Size

1.4MB
MD5

9fbf1890e0236da00be34bab1b6979c9
SHA1

4d9f66bdc24dda4355870001a1e25494bb0e411c
SHA256

b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314
SHA512

bf827a0c4019af1aa565a82f747872bd014159dcc73fd8d76b08051026ff997b41797279544b78b2e5434fb3cd3d72405188274bb145a57a293d7051f459796e
SSDEEP

24576:OUzKsG5DaqdRk6JSpu1Ho6tsPqXz+ULhOxJ/NDCB32mJ+sz+D8yKnSk6Y8anr/:fr01nz+Ucf/UB3PJ+sKgyKQrar/

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
terminal4.veeblehosting.com
Port:
587
Username:
[email protected]
Password:
Ifeanyi1987@
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. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2416-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2416-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2416-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2428-6-0x000000001B520000-0x000000001B5B4000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2416-17-0x0000000000400000-0x0000000000442000-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2416-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2416-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2416-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

4 ip-api.com

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe

description	pid	process	target process
PID 2428 set thread context of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

installutil.exe

pid process

2416 installutil.exe
2416 installutil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

installutil.exe

description pid process

Token: SeDebugPrivilege 2416 installutil.exe

pid	process
2416	installutil.exe
2416	installutil.exe

description	pid	process
Token: SeDebugPrivilege	2416	installutil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe

description	pid	process	target process
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2416	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	installutil.exe
PID 2428 wrote to memory of 2600	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	WerFault.exe
PID 2428 wrote to memory of 2600	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	WerFault.exe
PID 2428 wrote to memory of 2600	2428	b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe
"C:\Users\Admin\AppData\Local\Temp\b7f8e5d5eb84ea1419064f1d85b0e6570f9fb2b9cbc5eb72b11e463a3d7e6314.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2428

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2416

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2428 -s 624
2⤵
PID:2600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2416-18-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2416-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-23-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2416-22-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2416-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2416-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2416-19-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2416-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2428-6-0x000000001B520000-0x000000001B5B4000-memory.dmp

Filesize
592KB

Download
memory/2428-3-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2428-4-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2428-0-0x000007FEF5713000-0x000007FEF5714000-memory.dmp

Filesize
4KB

Download
memory/2428-2-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2428-20-0x000007FEF5713000-0x000007FEF5714000-memory.dmp

Filesize
4KB

Download
memory/2428-21-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2428-1-0x0000000001BE0000-0x0000000001BF0000-memory.dmp

Filesize
64KB

Download
memory/2428-5-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download