e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-04-2024 01:47

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General

Target

e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe
Size

11KB
MD5

1165838f57d634119f973bb54f406973
SHA1

115bb4625cd5f68c6462f6d5e8ab781c07a03af8
SHA256

e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3
SHA512

57de1734a48884f9a9da6926bc9ac7d343836272c71a8686b5f530bb4e1c52ae161fc18d80c537d443580e98a82aea0565a40304188b5065a6df350c74e0a57a
SSDEEP

192:HnjqMhixibiffPPcM/WjmlwBfSnzGfuUTzTQX:HREOyfPPXvw4abHTY

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/2188-0-0x0000000000410000-0x000000000041A000-memory.dmp	UPX
behavioral2/files/0x0008000000023203-5.dat	UPX
behavioral2/memory/2700-8-0x0000000000680000-0x000000000068A000-memory.dmp	UPX
behavioral2/memory/2188-10-0x0000000000410000-0x000000000041A000-memory.dmp	UPX
behavioral2/memory/2700-11-0x0000000000680000-0x000000000068A000-memory.dmp	UPX

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	hhcbrnaff.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2188-0-0x0000000000410000-0x000000000041A000-memory.dmp	upx
behavioral2/files/0x0008000000023203-5.dat	upx
behavioral2/memory/2700-8-0x0000000000680000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/2188-10-0x0000000000410000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2700-11-0x0000000000680000-0x000000000068A000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2700	2188	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe	88
PID 2188 wrote to memory of 2700	2188	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe	88
PID 2188 wrote to memory of 2700	2188	e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe	88

C:\Users\Admin\AppData\Local\Temp\e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe
"C:\Users\Admin\AppData\Local\Temp\e0ca0050db0db229136b53527b5110ae411556d3869d7f8367c4a7fa5a7ed2c3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe
  "C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe"
  2⤵
  - Executes dropped EXE
  PID:2700

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe

Filesize
11KB

MD5
5cc5db51701bb2fb64a6308d3284fc48

SHA1
3e566582f4ee67fa87b1a3d0b253c4d05e311595

SHA256
58721ffb1814965476e4083197fb93999627aaeb2cef56c825ca6c84da16f4b0

SHA512
a1392a38488ba8f54c0d4ad93c4cf50bea9b9371d7d1b66ff61ad51cd52081dfb2ffdbf0e577e61617083bd4ba7db3b29d0a0b75dec57f54163d2eb490594fc5

Download Submit
memory/2188-0-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/2188-10-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/2700-8-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download
memory/2700-11-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download