e99f6eee7ef846bb809c51a3df5e6c4d7629d85c5a7a44939545c57ffae401fa

Resubmissions

23-05-2024 08:57

240523-kwt7pabd79 8

23-05-2024 08:53

240523-ktqfqabd23 7

Analysis

max time kernel
133s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 08:57

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General

Target

whats.exe
Size

12.1MB
MD5

ff9ad3e1150b2a99335ab5e295513062
SHA1

9ef477c731e01214f76e4f6161b2b09d92c4fc33
SHA256

b3f70a8027e35c91ad1a18f7176a29f755bba27b20ace5159e5b784c7dab4443
SHA512

5ffd609ba0e0d9b6b3aa029eca7083a1fce286a4f3db1dfefb114e48d33ce16fb1e53834c19a83c5909a1e71aa5f1668ac2760516770517805654397684b533b
SSDEEP

196608:CNESzoOoT8GyziDMqM4mUFBgFzBQDjMPDt7xqxWM/QstP4imicl69ppdJWs4dJ2k:sfz68FEeIgajMCxLQstIifHd4s4T2k

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

whats.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation whats.exe
Executes dropped EXE 1 IoCs

Processes:

irsetup.exe

pid process

892 irsetup.exe
Loads dropped DLL 1 IoCs

Processes:

irsetup.exe

pid process

892 irsetup.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

irsetup.exe

pid process

892 irsetup.exe
892 irsetup.exe
892 irsetup.exe
892 irsetup.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

whats.exe

description pid process target process

PID 412 wrote to memory of 892 412 whats.exe irsetup.exe
PID 412 wrote to memory of 892 412 whats.exe irsetup.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	whats.exe

pid	process
892	irsetup.exe

pid	process
892	irsetup.exe

pid	process
892	irsetup.exe
892	irsetup.exe
892	irsetup.exe
892	irsetup.exe

description	pid	process	target process
PID 412 wrote to memory of 892	412	whats.exe	irsetup.exe
PID 412 wrote to memory of 892	412	whats.exe	irsetup.exe

C:\Users\Admin\AppData\Local\Temp\whats.exe
"C:\Users\Admin\AppData\Local\Temp\whats.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:412

C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
"C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:5836146 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\whats.exe" "__IRCT:0" "__IRTSS:0" "__IRSID:S-1-5-21-4124900551-4068476067-3491212533-1000"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:892

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
Filesize
4.9MB

MD5
d33dd57c830b9b52ec844d713ea1a1da

SHA1
51fc3d3316bb308e164a981d364181ae6cadbd1b

SHA256
b4255a661c37f4bffcb74baf33d1860cf54f0bdaf68a7b172d4beef3e22729d3

SHA512
9b28c9968f0fd1e908d696e363725c6278771c51ac11e52fc6e89081197b88e5f1153293d6e61ae706278b3a98ee70be5ea2765443492461bc5d2330e5c8a260

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C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll
Filesize
329KB

MD5
52a0b3c36a01a89187342803bc11709d

SHA1
8f17c48ecfb5f798cfe565b8f370a86cf8efb091

SHA256
af97caa9ff7fba485bdbc688ac1f9de451d38efd102b2bf18deeeed7bd1a30c0

SHA512
830259b06dc26197eb5bff1d12cc490a2813bf15ce99b2eb8fa3a61586d0cf613f5ba81fe120be8350ac7f27841633c74a97add2c33591952a0060404249c89c

Download Submit