guloader | 137742d1bb597a2818431b1634f38a9d93069afc1657955ef7144c152eb26f86

General

Target
137742d1bb597a2818431b1634f38a9d93069afc1657955ef7144c152eb26f86.exe
Size 933KB
Sample241107-ckph3avpgr
SHA256 137742d1bb597a2818431b1634f38a9d93069afc1657955ef7144c152eb26f86
MD5 643c1b8444da8c89fa83aed917307b6c
SHA1 dda8fa31873ef7f27e22f712a2e0b6a7ae91a582
SHA512 61636bf0eabf40ef8085a68170339184a73b7a3a528604853a75e577b549240de7a78a1c879757b510a13746184caf678d05e1e77c8c7a9241cbd7c2e2b87def
SSDEEP 12288:2dD2EUL1JUodNF0bzjryAqlBGWcz+izP1niQPqDEfRuLCMrecszC/:wD2EK1JzW3jGxBGDaizPkY6/mMScs2
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Targets

- Target
  137742d1bb597a2818431b1634f38a9d93069afc1657955ef7144c152eb26f86.exe
- Size 933KB
- SHA256 137742d1bb597a2818431b1634f38a9d93069afc1657955ef7144c152eb26f86
- MD5 643c1b8444da8c89fa83aed917307b6c
- SHA1 dda8fa31873ef7f27e22f712a2e0b6a7ae91a582
- SHA512 61636bf0eabf40ef8085a68170339184a73b7a3a528604853a75e577b549240de7a78a1c879757b510a13746184caf678d05e1e77c8c7a9241cbd7c2e2b87def
- SSDEEP 12288:2dD2EUL1JUodNF0bzjryAqlBGWcz+izP1niQPqDEfRuLCMrecszC/:wD2EK1JzW3jGxBGDaizPkY6/mMScs2
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

discovery guloader downloader
- Guloader family
  guloader
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  $PLUGINSDIR/LangDLL.dll
- Size 5KB
- SHA256 d65875bb4bc121f81384d55fde90dd9eb9ad1878cd8a02bcb5c8a933c3987a61
- MD5 61f69388ae89d61a3d838cbcf81b4f82
- SHA1 e595c0236a373a6ac79c334dc183ee03ca8f8ecd
- SHA512 21d34738cc21c1ef6b0ef1ac53659cdab224bbc20ea983f9a952a2cb4b5785a07bb18c0acf22a0d12a94795e1fc6d314f442c923bb1a93b675edac8c6aacf469
- SSDEEP 48:im1CEhqneMPUptuMMNvimk2BAZuMTRCpYEvJdUJvR0JCof5dwe:F10pl9NLBAZuYtR0hd
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10

discovery
behavioral3 behavioral4
- Target
  $PLUGINSDIR/System.dll
- Size 11KB
- SHA256 d09a8b3ade4ba4b7292c0b3da1bcb4b6c6e2012e0ccfd5e029a54af73a9e1b57
- MD5 4ca4fd3fbefa2f6e87e6e9ee87d1c0b3
- SHA1 7cdbeb5ff2b14b86af04e075d0ca651183ea5df4
- SHA512 cf0f415a97fdc74568297fed4f1295d0d2aef487a308141144ef8d5f04c669ef4795c273e745b81065429adde113fcdedf4c22717a7aeef60fdcd8d4d46f97f8
- SSDEEP 192:EPtkiQJr7V9r3HcU17S8g1w5xzWxy6j2V7i77blbTc4W:j7VpNo8gmOyRsVc4
- 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 family

Guloader,Cloudeye

Loads dropped DLL

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6