agenttesla | 790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2

General

Target

790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
Size

571KB
MD5

b593617f5eff12947ab02c5a41531b58
SHA1

c1b4ae82e976390359e0499ff5e2e4fc80a47ec4
SHA256

790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2
SHA512

05eaa7933870f04eb18979975720267f91c286911c8e0727e2d4d3ca259113cfb5027c62b414dc6f75187c6b2cceeac0b74634c2d7a22416cb83277168dfab4d
SSDEEP

12288:UTqrydQ5QqWOvBIHakHMQsnylZV5GurAKyOgRRxyer:UTqeKQqRvB2atQ9ZV5Ge6Ocp

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.synergyinnovationsgroup.com
Port:
587
Username:
[email protected]
Password:
C@p-Y8BoHc#?
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 6 IoCs

pid	Process
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Glassliberi130\Combustive.sel	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
File created	C:\Windows\SysWOW64\heterogynous\slvtjsskuffen.lnk	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
File opened for modification	C:\Windows\SysWOW64\avocadodressing\Kreditorsaldi.sto	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1916	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
1916	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 432 set thread context of 1916	432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe	95

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\ligningsafdelings\aortas.adi	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
File opened for modification	C:\Program Files (x86)\skolebestyrerens.skj	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
File opened for modification	C:\Program Files (x86)\chang.Hek	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Fremskaffet53.trs	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1916	wab.exe
1916	wab.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	wab.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 1916	432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe	95
PID 432 wrote to memory of 1916	432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe	95
PID 432 wrote to memory of 1916	432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe	95
PID 432 wrote to memory of 1916	432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe	95
PID 432 wrote to memory of 1916	432	790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe	95

C:\Users\Admin\AppData\Local\Temp\790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe
"C:\Users\Admin\AppData\Local\Temp\790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:432
- C:\Program Files (x86)\windows mail\wab.exe
  "C:\Users\Admin\AppData\Local\Temp\790e71d3ed88746fa4d2c5c15ae60a08ff70b6f6a19f78bd8a4a04101e6751b2.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsiD979.tmp\LangDLL.dll

Filesize
5KB

MD5
014a3be4a7c1ccb217916dbf4f222bd1

SHA1
9b4c41eb0e84886beb5591d8357155e27f9c68ed

SHA256
09acfc5ee34a1dfa1af3a9d34f00c3b1327b56641feebd536e13752349c08ac8

SHA512
0f3d1bf548e29a136150b699665a3f22c6ea2821701737363fa2920b51c391d735f1eae92dea8af655e7d07304bd3d06e4aff3f5a82fa22bcf5d1690013eb922

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsiD979.tmp\System.dll

Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
memory/432-26-0x0000000077201000-0x0000000077321000-memory.dmp

Filesize
1.1MB

Download
memory/432-27-0x0000000077201000-0x0000000077321000-memory.dmp

Filesize
1.1MB

Download
memory/432-28-0x0000000073E55000-0x0000000073E56000-memory.dmp

Filesize
4KB

Download
memory/1916-29-0x0000000077288000-0x0000000077289000-memory.dmp

Filesize
4KB

Download
memory/1916-30-0x00000000772A5000-0x00000000772A6000-memory.dmp

Filesize
4KB

Download
memory/1916-35-0x0000000077201000-0x0000000077321000-memory.dmp

Filesize
1.1MB

Download
memory/1916-34-0x0000000000C00000-0x0000000001E54000-memory.dmp

Filesize
18.3MB

Download
memory/1916-36-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

Filesize
4KB

Download
memory/1916-37-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/1916-38-0x0000000038780000-0x0000000038D24000-memory.dmp

Filesize
5.6MB

Download
memory/1916-39-0x00000000383A0000-0x0000000038406000-memory.dmp

Filesize
408KB

Download
memory/1916-40-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download
memory/1916-42-0x00000000384E0000-0x0000000038530000-memory.dmp

Filesize
320KB

Download
memory/1916-43-0x00000000385D0000-0x0000000038662000-memory.dmp

Filesize
584KB

Download
memory/1916-44-0x0000000038530000-0x000000003853A000-memory.dmp

Filesize
40KB

Download
memory/1916-45-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

Filesize
4KB

Download
memory/1916-46-0x0000000073F00000-0x00000000746B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing