agenttesla | 119b772e275fa11e159c1ab16826be64d9ad1fe2ed0905a08b84bc8c970aa1d0

General

Target

RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe
Size

320KB
MD5

63e817912440c22e2f4a54deb4c66635
SHA1

19e2900b300072d06a724b6e9a841453c3f7e4bd
SHA256

119b772e275fa11e159c1ab16826be64d9ad1fe2ed0905a08b84bc8c970aa1d0
SHA512

fce055056e5c4427bfcc3e6f81aacadcb48428057a512dff8b065c3bde1545ebf81af9004d90879ba9379e824814234cab4f45c284b880efbbee5d0e7a5a71fc
SSDEEP

6144:1Ea0+W+YFxNdZB980V6FfYGGzCe4Lr91Cc9dguo5+UsWdn90b7Ku6Nh:Jhqx3L9xspG+RvCUgtwUsM90b+u6Nh

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5472075572:AAH72ryjgTKG52VYCqF2mpPaWaPLe7C91tE/

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1896	cwunduu.exe
1968	cwunduu.exe

Loads dropped DLL 2 IoCs

pid	Process
1756	RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe
1896	cwunduu.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cwunduu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cwunduu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cwunduu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1896 set thread context of 1968	1896	cwunduu.exe	29

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1968	cwunduu.exe
1968	cwunduu.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1896	cwunduu.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	cwunduu.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 1896	1756	RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe	27
PID 1756 wrote to memory of 1896	1756	RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe	27
PID 1756 wrote to memory of 1896	1756	RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe	27
PID 1756 wrote to memory of 1896	1756	RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe	27
PID 1896 wrote to memory of 1968	1896	cwunduu.exe	29
PID 1896 wrote to memory of 1968	1896	cwunduu.exe	29
PID 1896 wrote to memory of 1968	1896	cwunduu.exe	29
PID 1896 wrote to memory of 1968	1896	cwunduu.exe	29
PID 1896 wrote to memory of 1968	1896	cwunduu.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cwunduu.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cwunduu.exe

C:\Users\Admin\AppData\Local\Temp\RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ102922-RFQSharjah Oman Engineering llc-pdf.scr.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Local\Temp\cwunduu.exe
  "C:\Users\Admin\AppData\Local\Temp\cwunduu.exe" C:\Users\Admin\AppData\Local\Temp\vqqqobrihl.qpx
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1896
- - C:\Users\Admin\AppData\Local\Temp\cwunduu.exe
    "C:\Users\Admin\AppData\Local\Temp\cwunduu.exe" C:\Users\Admin\AppData\Local\Temp\vqqqobrihl.qpx
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\cwunduu.exe

Filesize
7KB

MD5
35e199494b8da667adbc3f291a32c7e7

SHA1
d7dedf0819cc0763c6602315675567b748c0c16a

SHA256
0e4897f7d41d1bc8c1c3b5436600aafa82c477cb973c47237c17c16388421f45

SHA512
43b243f5475f8ec5ccab3f50aa96bfa8cc969c4fb0293d6210941bad7589e926a77ff99c9dadf79a9cb18496494a3d4c339e6429b4321b50688e5342e70b9986

Download Submit
C:\Users\Admin\AppData\Local\Temp\cwunduu.exe

Filesize
7KB

MD5
35e199494b8da667adbc3f291a32c7e7

SHA1
d7dedf0819cc0763c6602315675567b748c0c16a

SHA256
0e4897f7d41d1bc8c1c3b5436600aafa82c477cb973c47237c17c16388421f45

SHA512
43b243f5475f8ec5ccab3f50aa96bfa8cc969c4fb0293d6210941bad7589e926a77ff99c9dadf79a9cb18496494a3d4c339e6429b4321b50688e5342e70b9986

Download Submit
C:\Users\Admin\AppData\Local\Temp\cwunduu.exe

Filesize
7KB

MD5
35e199494b8da667adbc3f291a32c7e7

SHA1
d7dedf0819cc0763c6602315675567b748c0c16a

SHA256
0e4897f7d41d1bc8c1c3b5436600aafa82c477cb973c47237c17c16388421f45

SHA512
43b243f5475f8ec5ccab3f50aa96bfa8cc969c4fb0293d6210941bad7589e926a77ff99c9dadf79a9cb18496494a3d4c339e6429b4321b50688e5342e70b9986

Download Submit
C:\Users\Admin\AppData\Local\Temp\jzurjeh.knn

Filesize
287KB

MD5
356aa1aa6744c55ec6c439710f4f0e97

SHA1
50ab805a810f6041c338ec6ac086db9b180100af

SHA256
ba92154c811d1bd93b2d2937b8a324d5e694d378ecb249b062e9e826ae83ae76

SHA512
2daf8ff378b81bb5e4cda45960a17751900616d429eb35cb25120796681208267f899627a3b0e4bdab269e6d6693960b80ff4a413f22c80726cd3ebc749ed2b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\vqqqobrihl.qpx

Filesize
5KB

MD5
bdd2b7dfcc23026c6fe8719503773735

SHA1
59b4027cb5e06ba5d9fac032cfcccdc20ee1e745

SHA256
5b856e5af9f1541789669ba15316bae065284bfd8bc1d977cb79e749299f2080

SHA512
65d05728012daf6665bc351faa06cdba87414b04007040459ee4f957115238ae878ca614e60b7d4627d8acc7ae4f6a1054f387e623fe64bcefdc76dbdbcc4fb0

Download Submit
\Users\Admin\AppData\Local\Temp\cwunduu.exe

Filesize
7KB

MD5
35e199494b8da667adbc3f291a32c7e7

SHA1
d7dedf0819cc0763c6602315675567b748c0c16a

SHA256
0e4897f7d41d1bc8c1c3b5436600aafa82c477cb973c47237c17c16388421f45

SHA512
43b243f5475f8ec5ccab3f50aa96bfa8cc969c4fb0293d6210941bad7589e926a77ff99c9dadf79a9cb18496494a3d4c339e6429b4321b50688e5342e70b9986

Download Submit
\Users\Admin\AppData\Local\Temp\cwunduu.exe

Filesize
7KB

MD5
35e199494b8da667adbc3f291a32c7e7

SHA1
d7dedf0819cc0763c6602315675567b748c0c16a

SHA256
0e4897f7d41d1bc8c1c3b5436600aafa82c477cb973c47237c17c16388421f45

SHA512
43b243f5475f8ec5ccab3f50aa96bfa8cc969c4fb0293d6210941bad7589e926a77ff99c9dadf79a9cb18496494a3d4c339e6429b4321b50688e5342e70b9986

Download Submit
memory/1756-54-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download
memory/1968-65-0x00000000006A0000-0x00000000006DA000-memory.dmp

Filesize
232KB

Download
memory/1968-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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