agenttesla | 33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:18

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General

Target

33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe
Size

1.5MB
MD5

7eedf337a5824379df84a628b5ad12ba
SHA1

e1bbded53262161ce93bd08181ded39c29e7a1e2
SHA256

33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf
SHA512

e5182418670c6803d75d9caa41fc1493a5efcd381f088d21955e795f0f9d37c22774d9258e08a973db94323a73848f08b8c3e40c31cfc9f6fd1705ada1945f43
SSDEEP

24576:CSFHypJqTSpfw3wr9KQdeqJjeAci5wr/hTy3xJVt96qjUXAay/T:qheAtQpTy3zfHUXc

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/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000442000-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/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000442000-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/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-5-0x000000001B470000-0x000000001B504000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

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

Processes:

resource	yara_rule
behavioral1/memory/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000442000-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/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000442000-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/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000442000-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/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000442000-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:

33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe

description	pid	process	target process
PID 2460 set thread context of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

installutil.exe

pid process

2216 installutil.exe
2216 installutil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

installutil.exe

description pid process

Token: SeDebugPrivilege 2216 installutil.exe

pid	process
2216	installutil.exe
2216	installutil.exe

description	pid	process
Token: SeDebugPrivilege	2216	installutil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe

description	pid	process	target process
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2216	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	installutil.exe
PID 2460 wrote to memory of 2536	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	WerFault.exe
PID 2460 wrote to memory of 2536	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	WerFault.exe
PID 2460 wrote to memory of 2536	2460	33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe
"C:\Users\Admin\AppData\Local\Temp\33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2460

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:2216

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2460 -s 624
2⤵
PID:2536

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2216-21-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2216-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2216-24-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2216-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2216-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2216-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2216-20-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2216-25-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2216-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2216-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-5-0x000000001B470000-0x000000001B504000-memory.dmp

Filesize
592KB

Download
memory/2460-23-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download
memory/2460-1-0x0000000000140000-0x0000000000152000-memory.dmp

Filesize
72KB

Download
memory/2460-0-0x000007FEF5CA3000-0x000007FEF5CA4000-memory.dmp

Filesize
4KB

Download
memory/2460-22-0x000007FEF5CA3000-0x000007FEF5CA4000-memory.dmp

Filesize
4KB

Download
memory/2460-4-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download
memory/2460-3-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download
memory/2460-2-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download