agenttesla | 448ee61f6c180107964934d14c6374bfc80c41b1ea19fcdf0248820df12f22fb

Analysis

max time kernel
78s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
07/06/2023, 09:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0442IBTW00558263.exe
Size

359KB
MD5

205bb0af230d0b37bd06c948eded9217
SHA1

8c8641c392c47418a8551a6937b9ed6d343ae581
SHA256

448ee61f6c180107964934d14c6374bfc80c41b1ea19fcdf0248820df12f22fb
SHA512

64050d36c36af2764e398d5b574a5ec0cd73c886ab31fa4ef21a625587e64d5f929544d1bb5ef1b0be426afe80a3bd17014599ef3f95b10e64e7fdbcdfff5c5a
SSDEEP

6144:OQ606xHPOp6WkNhQBv/9tfv3vUywiHgXmPTPdiI2/vMssTyCRLbz8KHvtdOTOlRY:o2QWOhQBHrfvbtHfxRlTyaPz8m+6RY

Score

10^/10

agenttesla guloader downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.masonadventures.com
Port:
587
Username:
[email protected]
Password:
PUh/f9ES(7,av{ZL;F
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

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	0442IBTW00558263.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	caspol.exe

Loads dropped DLL 1 IoCs

pid	Process
2744	0442IBTW00558263.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4456	caspol.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2744	0442IBTW00558263.exe
4456	caspol.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 4456	2744	0442IBTW00558263.exe	86

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1164	4456	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4456	caspol.exe
4456	caspol.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2744	0442IBTW00558263.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	caspol.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 4456	2744	0442IBTW00558263.exe	86
PID 2744 wrote to memory of 4456	2744	0442IBTW00558263.exe	86
PID 2744 wrote to memory of 4456	2744	0442IBTW00558263.exe	86
PID 2744 wrote to memory of 4456	2744	0442IBTW00558263.exe	86

C:\Users\Admin\AppData\Local\Temp\0442IBTW00558263.exe
"C:\Users\Admin\AppData\Local\Temp\0442IBTW00558263.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Users\Admin\AppData\Local\Temp\0442IBTW00558263.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 2332
    3⤵
    - Program crash
    PID:1164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4456 -ip 4456
1⤵
PID:3004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsi834F.tmp\System.dll

Filesize
11KB

MD5
8b3830b9dbf87f84ddd3b26645fed3a0

SHA1
223bef1f19e644a610a0877d01eadc9e28299509

SHA256
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37

SHA512
d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03

Download Submit
memory/2744-143-0x0000000002A20000-0x0000000005328000-memory.dmp

Filesize
41.0MB

Download
memory/2744-141-0x0000000002A20000-0x0000000005328000-memory.dmp

Filesize
41.0MB

Download
memory/4456-158-0x0000000000630000-0x0000000002F38000-memory.dmp

Filesize
41.0MB

Download
memory/4456-153-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/4456-157-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/4456-142-0x0000000000630000-0x0000000002F38000-memory.dmp

Filesize
41.0MB

Download
memory/4456-159-0x0000000000630000-0x0000000002F38000-memory.dmp

Filesize
41.0MB

Download
memory/4456-160-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4456-161-0x0000000036510000-0x0000000036AB4000-memory.dmp

Filesize
5.6MB

Download
memory/4456-162-0x0000000035E00000-0x0000000035E66000-memory.dmp

Filesize
408KB

Download
memory/4456-163-0x0000000035EE0000-0x0000000035EF0000-memory.dmp

Filesize
64KB

Download
memory/4456-165-0x0000000000630000-0x0000000002F38000-memory.dmp

Filesize
41.0MB

Download