guloader | c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 02:34

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General

Target

c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe
Size

853KB
MD5

57dbc2be60ede5140738c720a629781c
SHA1

b348e314c3f9be312725b23a0fecf491404caf66
SHA256

c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c
SHA512

8932c191f72eb089d346848164c36104e6114e39cdeed19d1e67a7546ce68f01d8fdadec2c6f9ce5a80915e5781631fd37018f9e57c3a1d54d677f2e9c6ae006
SSDEEP

24576:N3mYVFbTdL3LgGStF2C/GVOoD5jQZj7/MJhmO:N3mYV9x3SH2C/EOEm7lO

Score

10^/10

guloader downloader

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 2 IoCs

Processes:

c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe

pid process

2860 c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe
2860 c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe
Drops file in Program Files directory 1 IoCs

Processes:

c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe

description ioc process

File opened for modification C:\Program Files (x86)\Common Files\hansson.ini c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2860	c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe
2860	c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\hansson.ini	c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe

C:\Users\Admin\AppData\Local\Temp\c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe
"C:\Users\Admin\AppData\Local\Temp\c7a6d57fc3d397c2b303477d8e1d4fea64fec51f46b0ddfad97a11527771702c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:2860

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\hansson.ini
Filesize
43B

MD5
7e12fc067ec6fde7156ec11eeaab67b6

SHA1
789e752d7f5437c3f0ec58ad19f01f8a70b3ff12

SHA256
de7ad71debdcbe152a2f5cbd5aef0774cdc5e81d8aa5f8d708f1621ccb6625ac

SHA512
29e5863d536984d7ac250563665eeecec9e3e3d490dc24d82fdaa6b956fa1f328fd49b8e2716d5eebee298d39585afd63dcadd2897793f69076cc362b1f63101

Download Submit
\Users\Admin\AppData\Local\Temp\nso1315.tmp\System.dll
Filesize
12KB

MD5
6e55a6e7c3fdbd244042eb15cb1ec739

SHA1
070ea80e2192abc42f358d47b276990b5fa285a9

SHA256
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506

SHA512
2d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35

Download Submit
memory/2860-231-0x0000000003AC0000-0x0000000006937000-memory.dmp

Filesize
46.5MB

Download
memory/2860-232-0x0000000003AC0000-0x0000000006937000-memory.dmp

Filesize
46.5MB

Download