guloader | ec89cffb121da537dc5258492100381eba2016afa83360c7eec226a7e1b30e34

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01-11-2023 13:58

Target

ARKBCN0000134245 BBL.exe
Size

1.0MB
MD5

195787f942427352db785fea42c93f43
SHA1

11349f0aa5059663c99bddb4b1d4925b0795d4c0
SHA256

4957fb0faa66fa85bd02e198c98d741a6edf5f683538601bbc7099f88aa4ac30
SHA512

b12df24dff447cec94123248d5d3b9619f7a2d4ebbf21ee42b8beedcea471d9d6b92ddd0e580e29e506b472e8670f6f430dfaa4959e479ea82b9e269ff694ae4
SSDEEP

12288:Ec0xoWbGGh7p/pMSC8grbTQJy4Uwjh5orvRNDRDVu4YT9vZTWbay6spuxv:Ec0xoWNh7pnd6Pey4dXor3D+DWK/v

Score

10^/10

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

Processes:

ARKBCN0000134245 BBL.exe

pid process

1060 ARKBCN0000134245 BBL.exe
1060 ARKBCN0000134245 BBL.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1060	ARKBCN0000134245 BBL.exe
1060	ARKBCN0000134245 BBL.exe

C:\Users\Admin\AppData\Local\Temp\ARKBCN0000134245 BBL.exe
"C:\Users\Admin\AppData\Local\Temp\ARKBCN0000134245 BBL.exe"
1⤵
- Loads dropped DLL
PID:1060

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

C:\Users\Admin\AppData\Local\Temp\nso4BC2.tmp\System.dll
Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
\Users\Admin\AppData\Local\Temp\nso4BC2.tmp\System.dll
Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
\Users\Admin\AppData\Local\Temp\nso4BC2.tmp\System.dll
Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/1060-20-0x0000000002EE0000-0x0000000004922000-memory.dmp

Filesize
26.3MB

Download
memory/1060-21-0x0000000002EE0000-0x0000000004922000-memory.dmp

Filesize
26.3MB

Download