a986aa2f241adf5c499f10d7cc18f1917f20c4536d9799260b12efd7e0dcf3a3

Analysis

max time kernel
210s
max time network
127s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20/07/2023, 13:30

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General

Target

Release/Costura.dll
Size

4KB
MD5

501981c7fc457d59238eb99780efb615
SHA1

f1f25c01f6acf33bdd62c4f82d3ef078e76f0906
SHA256

41bb464ac7c0d192641077e44a59d7d89860c3c620a59961f2fc4a4be47deae3
SHA512

5921d0662add6c8aa075106878cc56335ccbf059d8bc7f359fe9e02a52ec657c3e5df1c718929564c09f205e4bd299b086f3e7424141f5e55ed0d756f65ee1e8
SSDEEP

48:6F+lni2qJfjVRPGwzCo4MhTN0KDdilETrVsH4/QWk1qyFVT2IbG:7g7KedGEiYIWM2

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2748	2728	chrome.exe	30
PID 2728 wrote to memory of 2748	2728	chrome.exe	30
PID 2728 wrote to memory of 2748	2728	chrome.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Release\Costura.dll,#1
1⤵
PID:3060

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef65c9758,0x7fef65c9768,0x7fef65c9778
  2⤵
  PID:2748
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1112 --field-trial-handle=1196,i,2429961435075893769,17846952774806257030,131072 /prefetch:2
  2⤵
  PID:1532
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1512 --field-trial-handle=1196,i,2429961435075893769,17846952774806257030,131072 /prefetch:8
  2⤵
  PID:2140
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1628 --field-trial-handle=1196,i,2429961435075893769,17846952774806257030,131072 /prefetch:8
  2⤵
  PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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