agenttesla | 660598b830ca8956542ef9b0f7b4fa45a24c7b68e67f5d9d0b80e319c8655c99

Analysis

max time kernel
118s
max time network
139s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 00:06

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General

Target

order#052107doc.exe
Size

2.3MB
MD5

09d8e2f356ead589be3a2fa865d32e20
SHA1

4be10417d29cbc14dfb469fa385f6f06b7f2c99c
SHA256

660598b830ca8956542ef9b0f7b4fa45a24c7b68e67f5d9d0b80e319c8655c99
SHA512

f968fd8a5a4bd610ef9c2146318b1970add0d59a571e8a611434d00d259e5f1f0899cec810e1260fec61f8a98e5f4433345ac4b7a479d0228328c3901f582057
SSDEEP

49152:ljBPcxYu8TcfGghtisGkcRTa/c1b26TLOvH8yk24tRr8VdjnWd4qFVpDr:l9PKYR03isEX1y6TK8H2iRr8xqF3H

Score

10^/10

agenttesla purelogstealer zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
AvydGQ8TIDH9
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2368-4-0x00000000052B0000-0x00000000054E0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-5-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-6-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-42-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-8-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-12-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-52-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-56-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-60-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-62-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-64-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-68-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-66-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-58-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-54-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-50-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-48-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-46-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-44-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-40-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-38-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-36-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-34-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-32-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-30-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-28-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-26-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-24-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-22-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-20-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-18-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-16-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-14-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-11-0x00000000052B0000-0x00000000054DA000-memory.dmp	family_zgrat_v1

PureLog Stealer
PureLog Stealer is an infostealer written in C#.
stealer purelogstealer

PureLog Stealer payload 1 IoCs

resource	yara_rule
behavioral1/memory/2368-1-0x0000000000E20000-0x0000000001076000-memory.dmp	family_purelog_stealer

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\kcsof = "C:\\Users\\Admin\\AppData\\Roaming\\kcsof.exe"	order#052107doc.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 2496	2368	order#052107doc.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2496	order#052107doc.exe
2496	order#052107doc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	order#052107doc.exe
Token: SeDebugPrivilege	2368	order#052107doc.exe
Token: SeDebugPrivilege	2496	order#052107doc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28
PID 2368 wrote to memory of 2496	2368	order#052107doc.exe	28

C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe
"C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe
  "C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2368-0-0x000000007498E000-0x000000007498F000-memory.dmp

Filesize
4KB

Download
memory/2368-1-0x0000000000E20000-0x0000000001076000-memory.dmp

Filesize
2.3MB

Download
memory/2368-2-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-3-0x0000000005080000-0x00000000052B0000-memory.dmp

Filesize
2.2MB

Download
memory/2368-4-0x00000000052B0000-0x00000000054E0000-memory.dmp

Filesize
2.2MB

Download
memory/2368-5-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-6-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-42-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-8-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-12-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-52-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-56-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-60-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-62-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-64-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-68-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-66-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-58-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-54-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-50-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-48-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-46-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-44-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-40-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-38-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-36-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-34-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-32-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-30-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-28-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-26-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-24-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-22-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-20-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-18-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-16-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-14-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-11-0x00000000052B0000-0x00000000054DA000-memory.dmp

Filesize
2.2MB

Download
memory/2368-4885-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-4886-0x0000000000D90000-0x0000000000DFC000-memory.dmp

Filesize
432KB

Download
memory/2368-4887-0x00000000048B0000-0x00000000048FC000-memory.dmp

Filesize
304KB

Download
memory/2368-4888-0x000000007498E000-0x000000007498F000-memory.dmp

Filesize
4KB

Download
memory/2368-4889-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-4890-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-4891-0x0000000004A10000-0x0000000004A64000-memory.dmp

Filesize
336KB

Download
memory/2368-4904-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2496-4906-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2496-4905-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2496-4907-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download
memory/2496-4922-0x0000000074980000-0x000000007506E000-memory.dmp

Filesize
6.9MB

Download