guloader | ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b | Triage

Sharing

General

Target

ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b.exe
Size

715KB
Sample

241018-dnct4swgnl
MD5

fd34638e9b719812b6051902f4504722
SHA1

55b6b198cc54de68cbdea030f60d966f92344305
SHA256

ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b
SHA512

4b5dd7b8e2ec1f1a2c77e28a601f338d766889f473dd90c2f68a5855f8b40ad08cd3412cc3cd1340a85bbad61a33fd622ba5beeb76dbec556df74c35db7375b2
SSDEEP

12288:/rgjBLiIK2WVy/YqpuarhMk1+H9MC2ugcYVkwbSReUhXmmwMRzcLSIHm:/0jBiIK2R/5puatx1+dMCnPmr8XjZcWf

Score

10^/10

guloader discovery downloader

Malware Config

Targets

- Target
  
  ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b.exe
- Size
  
  715KB
- MD5
  
  fd34638e9b719812b6051902f4504722
- SHA1
  
  55b6b198cc54de68cbdea030f60d966f92344305
- SHA256
  
  ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b
- SHA512
  
  4b5dd7b8e2ec1f1a2c77e28a601f338d766889f473dd90c2f68a5855f8b40ad08cd3412cc3cd1340a85bbad61a33fd622ba5beeb76dbec556df74c35db7375b2
- SSDEEP
  
  12288:/rgjBLiIK2WVy/YqpuarhMk1+H9MC2ugcYVkwbSReUhXmmwMRzcLSIHm:/0jBiIK2R/5puatx1+dMCnPmr8XjZcWf
Score

10^/10

discovery guloader downloader
- 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
  
  12KB
- MD5
  
  dd87a973e01c5d9f8e0fcc81a0af7c7a
- SHA1
  
  c9206ced48d1e5bc648b1d0f54cccc18bf643a14
- SHA256
  
  7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
- SHA512
  
  4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f
- SSDEEP
  
  192:VFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/993:97pJp48F2exrg5F/9
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

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Web Service

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

guloaderdiscoverydownloader

behavioral3

behavioral4