agenttesla | 79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa

General

Target

79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
Size

346KB
MD5

3470b26b4f683b2c79794d5a71b5d681
SHA1

cb17633bfb7e935c0ff9b9aded16ec64cd45880b
SHA256

79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa
SHA512

2c7cae1b505c98c07873f592087bbc864600a80be8f33069417e67d35ed5f221fcee96eea3b230c4c3b8a3096c8c99f11187977be31af537490b5757d4eb55c4
SSDEEP

6144:0Mm4CCe7fZXJPg3h/tZfbbFNKU7IUqIO/P8XbCo/32TIKaWEPgHT02ED1sgMo:0Mwd2Vpb5pyEXbb/m5t0WI

Score

10^/10

agenttesla guloader credential_access discovery downloader 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
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
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 7 IoCs

pid	Process
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\aminah.ini	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1588	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
1588	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3124 set thread context of 1588	3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	85

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\nonresidentiary\pachisis.ini	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
File opened for modification	C:\Program Files (x86)\Common Files\forebyggelsen.Ove10	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.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	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1588	wab.exe
1588	wab.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	wab.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 1588	3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	85
PID 3124 wrote to memory of 1588	3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	85
PID 3124 wrote to memory of 1588	3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	85
PID 3124 wrote to memory of 1588	3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	85
PID 3124 wrote to memory of 1588	3124	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	85

C:\Users\Admin\AppData\Local\Temp\79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
"C:\Users\Admin\AppData\Local\Temp\79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Program Files (x86)\windows mail\wab.exe
  "C:\Users\Admin\AppData\Local\Temp\79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1588

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nst5522.tmp\LangDLL.dll

Filesize
5KB

MD5
08de81a4584f5201086f57a7a93ed83b

SHA1
266a6ecc8fb7dca115e6915cd75e2595816841a8

SHA256
4883cd4231744be2dca4433ef62824b7957a3c16be54f8526270402d9413ebe6

SHA512
b72e7cea5ce1f4dc64e65a1f683a3ef9e3fa2dc45cf421f569eb461f1fdcc0caf4ff62a872e62b400579f567c6ff9fc3c2e6e020cdca89d96015502c803a09b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5522.tmp\System.dll

Filesize
12KB

MD5
6e55a6e7c3fdbd244042eb15cb1ec739

SHA1
070ea80e2192abc42f358d47b276990b5fa285a9

SHA256
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506

SHA512
2d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35

Download Submit
memory/1588-36-0x0000000077D48000-0x0000000077D49000-memory.dmp

Filesize
4KB

Download
memory/1588-48-0x00000000019B0000-0x00000000033D3000-memory.dmp

Filesize
26.1MB

Download
memory/1588-49-0x0000000077CC1000-0x0000000077DE1000-memory.dmp

Filesize
1.1MB

Download
memory/1588-34-0x00000000019B0000-0x00000000033D3000-memory.dmp

Filesize
26.1MB

Download
memory/1588-43-0x00000000358E0000-0x0000000035930000-memory.dmp

Filesize
320KB

Download
memory/1588-45-0x0000000035950000-0x000000003595A000-memory.dmp

Filesize
40KB

Download
memory/1588-37-0x0000000077D65000-0x0000000077D66000-memory.dmp

Filesize
4KB

Download
memory/1588-38-0x0000000000750000-0x00000000019A4000-memory.dmp

Filesize
18.3MB

Download
memory/1588-39-0x0000000000750000-0x0000000000790000-memory.dmp

Filesize
256KB

Download
memory/1588-41-0x0000000035C10000-0x00000000361B4000-memory.dmp

Filesize
5.6MB

Download
memory/1588-44-0x00000000359D0000-0x0000000035A62000-memory.dmp

Filesize
584KB

Download
memory/1588-42-0x0000000035660000-0x00000000356C6000-memory.dmp

Filesize
408KB

Download
memory/3124-33-0x0000000074B25000-0x0000000074B26000-memory.dmp

Filesize
4KB

Download
memory/3124-40-0x0000000004A00000-0x0000000006423000-memory.dmp

Filesize
26.1MB

Download
memory/3124-35-0x0000000004A00000-0x0000000006423000-memory.dmp

Filesize
26.1MB

Download
memory/3124-32-0x0000000077CC1000-0x0000000077DE1000-memory.dmp

Filesize
1.1MB

Download
memory/3124-31-0x0000000004A00000-0x0000000006423000-memory.dmp

Filesize
26.1MB

Download

Analysis

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