guloader | 2222cfde2a4fb474984f2dec6e7819fc722889ede5bb9b6bad905e273c52db80

Resubmissions

11-10-2023 08:53

231011-ktqfqace3x 10

11-10-2023 08:40

231011-kk87gabh4w 10

11-10-2023 08:23

231011-kaf3yada69 10

Analysis

max time kernel
157s
max time network
386s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 08:40

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General

Target

CMR CA4653XT -10-10-2023-7.exe
Size

807KB
MD5

6f7d51ec00fe651601b179d7af7be2cf
SHA1

e199b506d0ac0a5c61af8224f69da19a3940a0dc
SHA256

bc1401e81ad110669077ad7e3f0c57fb80b04b06397e5a4d384c7bb80dec4361
SHA512

97f719f94373e7ed2f38e2915b926176909c9da87cc1d579ee5fd21c347f7b56ae2c614a8ed8ed13872d40ff84f081949915ca74eec2cb348ba8a75c27f046bf
SSDEEP

12288:qYoVFrdkb10/dREKj9g6VdKCRTU9aYTd+PGZb8OQEW+G2DsebUk8s:qYoVHkb6TEiW6VdlTtYTd7p8x/7kF

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:

CMR CA4653XT -10-10-2023-7.exe

pid process

3000 CMR CA4653XT -10-10-2023-7.exe
3000 CMR CA4653XT -10-10-2023-7.exe
Drops file in Program Files directory 1 IoCs

Processes:

CMR CA4653XT -10-10-2023-7.exe

description ioc process

File opened for modification C:\Program Files (x86)\Shashlick\communicated.for CMR CA4653XT -10-10-2023-7.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3000	CMR CA4653XT -10-10-2023-7.exe
3000	CMR CA4653XT -10-10-2023-7.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Shashlick\communicated.for	CMR CA4653XT -10-10-2023-7.exe

C:\Users\Admin\AppData\Local\Temp\CMR CA4653XT -10-10-2023-7.exe
"C:\Users\Admin\AppData\Local\Temp\CMR CA4653XT -10-10-2023-7.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nst9945.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
\Users\Admin\AppData\Local\Temp\nst9945.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
\Users\Admin\AppData\Local\Temp\nst9945.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/3000-26-0x0000000002E70000-0x0000000005047000-memory.dmp

Filesize
33.8MB

Download
memory/3000-27-0x0000000002E70000-0x0000000005047000-memory.dmp

Filesize
33.8MB

Download