guloader | 30b621487d030203a584c14d1c4d5e7cbc120ab337b4fb30b7f6706f1b460950

General

Target
30b621487d030203a584c14d1c4d5e7cbc120ab337b4fb30b7f6706f1b460950.exe
Size 1.4MB
Sample260825-dsgnvswenc
SHA256 30b621487d030203a584c14d1c4d5e7cbc120ab337b4fb30b7f6706f1b460950
MD5 7a0f5af5800ab5078de44b66a9a67d9b
SHA1 33d64e1c8a809458cd6f9f00c68a574a5f6d3b63
SHA512 25ca538184af3be761c7a594c23eda34de732324b784e7c6119cecff80d5e345b9146a4db5e8142af94a3f192df40ec97e745a115e4dc5d151c37fa818fb7d01
SSDEEP 24576:S4RWatMM3A+Wh9V72jiN/U6kX/3NZooFR/kNuwxMa+bE0FJAyuRFZF5UCTy:DYatMqA0MU6kXPNioD/yu+MZ0WCG
TLSH
T1BD65AF91E958D9A9E57E46B2BC2F68B114878E7EE25401ED167E33081CB2317E0DEC1F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Targets

- Target
  30b621487d030203a584c14d1c4d5e7cbc120ab337b4fb30b7f6706f1b460950.exe
- Size 1.4MB
- SHA256 30b621487d030203a584c14d1c4d5e7cbc120ab337b4fb30b7f6706f1b460950
- MD5 7a0f5af5800ab5078de44b66a9a67d9b
- SHA1 33d64e1c8a809458cd6f9f00c68a574a5f6d3b63
- SHA512 25ca538184af3be761c7a594c23eda34de732324b784e7c6119cecff80d5e345b9146a4db5e8142af94a3f192df40ec97e745a115e4dc5d151c37fa818fb7d01
- SSDEEP 24576:S4RWatMM3A+Wh9V72jiN/U6kX/3NZooFR/kNuwxMa+bE0FJAyuRFZF5UCTy:DYatMqA0MU6kXPNioD/yu+MZ0WCG
- TLSH
  T1BD65AF91E958D9A9E57E46B2BC2F68B114878E7EE25401ED167E33081CB2317E0DEC1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

discovery downloader guloader
- Family: Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Loads dropped DLL
- Contacts third-party web service commonly abused for C2
  Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2
- Target
  $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- TLSH
  T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10

discovery
behavioral3 behavioral4
- Target
  $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
- MD5 8f0e7415f33843431df308bb8e06af81
- SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
- SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
- SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
- TLSH
  T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10

discovery
behavioral5 behavioral6

MITRE ATT&CK Enterprise v16

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

Family: Guloader,Cloudeye

Loads dropped DLL

Contacts third-party web service commonly abused for C2

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6