agenttesla | 38f7728499fc37afa9b8c7135b46c05b98e3b92c47c15a1db03d6a525669a297

General

Target

Kviitung_04-12-2023.exe
Size

626KB
MD5

a98f880aefb9f770cf0f280b6aabfc63
SHA1

9aa8fbe199f4f7386e418076438f72a958147f0c
SHA256

f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002a
SHA512

f2fc8169d950b39e1387a44613418196f70fb719e2c8ee055fd5f7cb18e73803dffe548f38a1653e22af8174ddaedf193b46ae30f8f8c84dcc3d1155e8076e8e
SSDEEP

12288:FI45+po2V1kWEOIVim9yY7gRMpMCuaA9NV+wuSyW4hIcKvSwkPAg:FL+pJQnJyY7gepOaA9NV+gyW4hIpKP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg3plcpnl0195.prod.sin3.secureserver.net
Port:
587
Username:
[email protected]
Password:
V#[email protected]&Qo!
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

Processes:

Kviitung_04-12-2023.exe

description pid process target process

PID 3408 set thread context of 4860 3408 Kviitung_04-12-2023.exe Kviitung_04-12-2023.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Kviitung_04-12-2023.exeKviitung_04-12-2023.exe

pid process

3408 Kviitung_04-12-2023.exe
3408 Kviitung_04-12-2023.exe
4860 Kviitung_04-12-2023.exe
4860 Kviitung_04-12-2023.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Kviitung_04-12-2023.exeKviitung_04-12-2023.exe

description pid process

Token: SeDebugPrivilege 3408 Kviitung_04-12-2023.exe
Token: SeDebugPrivilege 4860 Kviitung_04-12-2023.exe

flow	ioc
1	api.ipify.org
2	api.ipify.org

description	pid	process	target process
PID 3408 set thread context of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe

pid	process
3408	Kviitung_04-12-2023.exe
3408	Kviitung_04-12-2023.exe
4860	Kviitung_04-12-2023.exe
4860	Kviitung_04-12-2023.exe

description	pid	process
Token: SeDebugPrivilege	3408	Kviitung_04-12-2023.exe
Token: SeDebugPrivilege	4860	Kviitung_04-12-2023.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Kviitung_04-12-2023.exe

description	pid	process	target process
PID 3408 wrote to memory of 4992	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4992	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4992	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe
PID 3408 wrote to memory of 4860	3408	Kviitung_04-12-2023.exe	Kviitung_04-12-2023.exe

C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408

C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe"
2⤵
PID:4992

C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Kviitung_04-12-2023.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Kviitung_04-12-2023.exe.log

Filesize
2KB

MD5
915fad025146c48a1f733d932ee40b19

SHA1
13781211f624f9690c9d32400eab7c6c51671bf9

SHA256
196e0993ec613fdafe58ca4175c82b4934539c596ec8e8ead605cb1f46295032

SHA512
caf8d56c0d28d17870c3ee62b38e9699dd38e8400913c93e3ade56fc8c00adc5eef90c71f3c208701a2beadc0c04d3365bf85afbc02388cd94b3d0d6ee5b49a4

Download Submit
memory/3408-10-0x0000000007D70000-0x0000000007DEA000-memory.dmp

Filesize
488KB

Download
memory/3408-15-0x0000000074870000-0x0000000075021000-memory.dmp

Filesize
7.7MB

Download
memory/3408-3-0x0000000005810000-0x0000000005DB6000-memory.dmp

Filesize
5.6MB

Download
memory/3408-4-0x0000000005300000-0x0000000005392000-memory.dmp

Filesize
584KB

Download
memory/3408-5-0x00000000054F0000-0x00000000054FA000-memory.dmp

Filesize
40KB

Download
memory/3408-6-0x0000000005620000-0x0000000005638000-memory.dmp

Filesize
96KB

Download
memory/3408-7-0x0000000005650000-0x0000000005658000-memory.dmp

Filesize
32KB

Download
memory/3408-11-0x0000000007B70000-0x0000000007C0C000-memory.dmp

Filesize
624KB

Download
memory/3408-9-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/3408-0-0x00000000005D0000-0x0000000000672000-memory.dmp

Filesize
648KB

Download
memory/3408-8-0x0000000005660000-0x000000000566A000-memory.dmp

Filesize
40KB

Download
memory/3408-2-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/3408-1-0x0000000074870000-0x0000000075021000-memory.dmp

Filesize
7.7MB

Download
memory/4860-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4860-16-0x0000000074870000-0x0000000075021000-memory.dmp

Filesize
7.7MB

Download
memory/4860-17-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/4860-18-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/4860-19-0x0000000006C80000-0x0000000006CD0000-memory.dmp

Filesize
320KB

Download
memory/4860-20-0x0000000074870000-0x0000000075021000-memory.dmp

Filesize
7.7MB

Download
memory/4860-21-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download

Analysis

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