guloader | 8085c17ea9441ff19ee1d021408ce2b159bdf4d53704a9afd180e76033c74415

General

Target
rTransferenciarealizada451236.exe
Size 893KB
Sample241030-aeqststner
SHA256 8085c17ea9441ff19ee1d021408ce2b159bdf4d53704a9afd180e76033c74415
MD5 12f32dc32a25a48db3aca40758745e80
SHA1 41f2c89b8c83b279633c641d1e266a3a2487294d
SHA512 b3e71933c26fc75dfa3aef0efc9ef375572df28cdba1b85dac9ecda062e572a6999dcbeec382b04e5a7d24e3485f5aa6852fad9e2d36fded55525fa8acf8dd9c
SSDEEP 24576:6x+rRnZt2HrJ1oAzm2ESD62HnQIQMOKOaeKX:6x+1nZcLHFzmnSW2HTzOKOwX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Targets

- Target
  rTransferenciarealizada451236.exe
- Size 893KB
- SHA256 8085c17ea9441ff19ee1d021408ce2b159bdf4d53704a9afd180e76033c74415
- MD5 12f32dc32a25a48db3aca40758745e80
- SHA1 41f2c89b8c83b279633c641d1e266a3a2487294d
- SHA512 b3e71933c26fc75dfa3aef0efc9ef375572df28cdba1b85dac9ecda062e572a6999dcbeec382b04e5a7d24e3485f5aa6852fad9e2d36fded55525fa8acf8dd9c
- SSDEEP 24576:6x+rRnZt2HrJ1oAzm2ESD62HnQIQMOKOaeKX:6x+1nZcLHFzmnSW2HTzOKOwX
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

guloader discovery downloader
- Guloader family
  guloader
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Loads dropped DLL
- Legitimate hosting services abused for malware hosting/C2
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  $PLUGINSDIR/System.dll
- Size 11KB
- SHA256 b80a5cba69d1853ed5979b0ca0352437bf368a5cfb86cb4528edadd410e11352
- MD5 c9473cb90d79a374b2ba6040ca16e45c
- SHA1 ab95b54f12796dce57210d65f05124a6ed81234a
- SHA512 eafe7d5894622bc21f663bca4dd594392ee0f5b29270b6b56b0187093d6a3a103545464ff6398ad32d2cf15dab79b1f133218ba9ba337ddc01330b5ada804d7b
- SSDEEP 192:cPtkumJX7zBE2kGwfy9S9VkPsFQ1MZ1c:N7O2k5q9wA1MZa
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral3 behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

Guloader family

Guloader,Cloudeye

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4