guloader | cd28e2cfe01499fecd66cdc8ff88502194f77e826d6191c3f838c5f760402a8b

General

Target
fa10576.exe
Size 1.3MB
Sample240520-zzdrfagd64
SHA256 cd28e2cfe01499fecd66cdc8ff88502194f77e826d6191c3f838c5f760402a8b
MD5 b6fed6afcf62aeefa78ac29a132b73ea
SHA1 c596ab383a296dee20fb5d03af998d5c8ef6e61c
SHA512 07a7072a1e3bc7cb55d3103e5c7d0e77bc1e3d78ac33d964be7356d9b0eaa165d8cf9d38140e9e74dba7bb77b5f2fb3fd2ed8ec12a3a69813a868b0a326ca2e4
SSDEEP 24576:r9Q0lIVTRJlXeXeWAFlw3x1CQgy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/ohm:5Q0lsRLXTCx1JM77YoOrDX1l2xbLn/wm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

guloader downloader

Malware Config

Targets

- Target
  fa10576.exe
- Size 1.3MB
- SHA256 cd28e2cfe01499fecd66cdc8ff88502194f77e826d6191c3f838c5f760402a8b
- MD5 b6fed6afcf62aeefa78ac29a132b73ea
- SHA1 c596ab383a296dee20fb5d03af998d5c8ef6e61c
- SHA512 07a7072a1e3bc7cb55d3103e5c7d0e77bc1e3d78ac33d964be7356d9b0eaa165d8cf9d38140e9e74dba7bb77b5f2fb3fd2ed8ec12a3a69813a868b0a326ca2e4
- SSDEEP 24576:r9Q0lIVTRJlXeXeWAFlw3x1CQgy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/ohm:5Q0lsRLXTCx1JM77YoOrDX1l2xbLn/wm
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

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 11KB
- SHA256 98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b
- MD5 b8992e497d57001ddf100f9c397fcef5
- SHA1 e26ddf101a2ec5027975d2909306457c6f61cfbd
- SHA512 8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c
- SSDEEP 192:PPtkumJX7zB22kGwfy0mtVgkCPOs81un:E702k5qpds8Qn
- MD5 SHA1 SHA512 SSDEEP
Score

3^/10
behavioral3 behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

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