guloader | 7861a056a2451cb107a0f489df465ea836cb57d8921dac618db52d62bf349df3

General

Target
001002998384756_pdf.exe
Size 438KB
Sample260702-mkb8vaf14w
SHA256 7861a056a2451cb107a0f489df465ea836cb57d8921dac618db52d62bf349df3
MD5 dd41baba80d0a2af43c82141444c5122
SHA1 93c884d47a47dcf65c87ae3e28b80558d23a201b
SHA512 1dbc2ce888c1ff0254ecbfeb7a84901e6afa02f584963ff8e0fbe155b1b01f51354c8cdde3c24103c3a4db0806c30f4e06be96159842de4d8f022bd8679dc161
SSDEEP 6144:fXsKoGSLxIxDZzoJDGj90YskfccUPZqOidAoJkY3vA64cZbXCi/mLPmvLX6frOzO:fX1xliGj908+PBid9JkYfKcZ6LE6OzO
TLSH
T19DA4F1293EE9C916D2609D75C9B9D7F92C796E90ECC4861BBE7C7E043A331BD2901093
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Targets

- Target
  001002998384756_pdf.exe
- Size 438KB
- SHA256 7861a056a2451cb107a0f489df465ea836cb57d8921dac618db52d62bf349df3
- MD5 dd41baba80d0a2af43c82141444c5122
- SHA1 93c884d47a47dcf65c87ae3e28b80558d23a201b
- SHA512 1dbc2ce888c1ff0254ecbfeb7a84901e6afa02f584963ff8e0fbe155b1b01f51354c8cdde3c24103c3a4db0806c30f4e06be96159842de4d8f022bd8679dc161
- SSDEEP 6144:fXsKoGSLxIxDZzoJDGj90YskfccUPZqOidAoJkY3vA64cZbXCi/mLPmvLX6frOzO:fX1xliGj908+PBid9JkYfKcZ6LE6OzO
- TLSH
  T19DA4F1293EE9C916D2609D75C9B9D7F92C796E90ECC4861BBE7C7E043A331BD2901093
- 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
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2
- Target
  $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
- MD5 192639861e3dc2dc5c08bb8f8c7260d5
- SHA1 58d30e460609e22fa0098bc27d928b689ef9af78
- SHA512 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc
- SSDEEP 192:ljHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZqE0QPi:R/Qlt7wiij/lMRv/9V4bfr
- TLSH
  T1B1427C1297B089F2F551493419667F2A6FBEAC5C13F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

3^/10

discovery
behavioral3 behavioral4
- Target
  $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- SHA256 89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
- MD5 b7d61f3f56abf7b7ff0d4e7da3ad783d
- SHA1 15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
- SHA512 6467c0de680fadb8078bdaa0d560d2b228f5a22d4d8358a1c7d564c6ebceface5d377b870eaf8985fbee727001da569867554154d568e3b37f674096bbafafb8
- SSDEEP 96:ooEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YMNqkzfFc:ooEvCu5e81785qHFcU0PuAw0uyyIFc
- TLSH
  T16A12F992E2A454B3C5D6523B35AA2F2DCBBD5329B0927C01C7738E4D393957A6E38343
- 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

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

Family: Guloader,Cloudeye

Loads dropped DLL

Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6