guloader | e422323e3d0333b32a7dfbaf49befecd314d7e969d5848e71e07096ebc106604

General

Target
sahost.exe
Size 355KB
Sample240809-k4qt8ssepg
SHA256 e422323e3d0333b32a7dfbaf49befecd314d7e969d5848e71e07096ebc106604
MD5 3cd277b692b93cea6874d7879f1134d0
SHA1 074e16af7a0fdc9c8744edd85a72b088c219afb3
SHA512 c163e32f95467881f1bc234a68bd7e1e40081b753d36e9c70cc83c553577b1166de1ac2670379959afe8c84fdb2bd030f8a0fa1b9d076a460db047620aa0a0b3
SSDEEP 6144:TMm4CCe7wZZRdeg+FWMqn1g0qmaV0UnuBAPm5P9LX29AS+tPoc+2fvwPsgzG:TMwSdN+FWJghmzAPmdBjW4fZwG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Targets

- Target
  sahost.exe
- Size 355KB
- SHA256 e422323e3d0333b32a7dfbaf49befecd314d7e969d5848e71e07096ebc106604
- MD5 3cd277b692b93cea6874d7879f1134d0
- SHA1 074e16af7a0fdc9c8744edd85a72b088c219afb3
- SHA512 c163e32f95467881f1bc234a68bd7e1e40081b753d36e9c70cc83c553577b1166de1ac2670379959afe8c84fdb2bd030f8a0fa1b9d076a460db047620aa0a0b3
- SSDEEP 6144:TMm4CCe7wZZRdeg+FWMqn1g0qmaV0UnuBAPm5P9LX29AS+tPoc+2fvwPsgzG:TMwSdN+FWJghmzAPmdBjW4fZwG
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

discovery guloader downloader
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  $PLUGINSDIR/LangDLL.dll
- Size 5KB
- SHA256 4883cd4231744be2dca4433ef62824b7957a3c16be54f8526270402d9413ebe6
- MD5 08de81a4584f5201086f57a7a93ed83b
- SHA1 266a6ecc8fb7dca115e6915cd75e2595816841a8
- SHA512 b72e7cea5ce1f4dc64e65a1f683a3ef9e3fa2dc45cf421f569eb461f1fdcc0caf4ff62a872e62b400579f567c6ff9fc3c2e6e020cdca89d96015502c803a09b9
- SSDEEP 48:S46+/1TKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mLofjLl:zHuPbOBtWZBV8jAWiAJCdv2CmeL
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral3 behavioral4
- Target
  $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
- MD5 6e55a6e7c3fdbd244042eb15cb1ec739
- SHA1 070ea80e2192abc42f358d47b276990b5fa285a9
- SHA512 2d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35
- SSDEEP 192:MenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBaIwL:M8+Qlt70Fj/lQRY/9VjjgL
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral5 behavioral6

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

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

Guloader,Cloudeye

Loads dropped DLL

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6