a0f4cbd29c0df82eec8c76b215ab0351a7c7dfe6c815b6235774575cfb3cc692

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 00:38

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General

Target

FastCopy 5.7.15/FastCopy 5.7.15.exe
Size

800KB
MD5

1d7219cf3a87dbedad93498b934f5b35
SHA1

710a24aa2867cd316ec1e1436520c9cc29c01ab3
SHA256

627272c0b14b95919b07c3e93912baf379e256f86a041750dff87f5f124d5dde
SHA512

e6a3955c8fd17bc0a9595d8ffe00f429397ea446402fa286bf32194df806eac03d151c6bc83fe5af5cacc9445f427426e14807592c1738b31efaaf26680536c2
SSDEEP

24576:miaNv6AdXo9ioFCQIZbf4x/4QJ3gnEwT9bO74A0YqFno:ckk/ILteYtUZo

Score

7^/10

discovery evasion trojan upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2556	FastCopy64.exe

Loads dropped DLL 2 IoCs

pid	Process
2864	FastCopy 5.7.15.exe
2864	FastCopy 5.7.15.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2136-0-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2864-6-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2136-5-0x00000000005B0000-0x00000000005D0000-memory.dmp	upx
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/2864-13-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	FastCopy64.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FastCopy 5.7.15.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FastCopy 5.7.15.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2556	FastCopy64.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeBackupPrivilege	2556	FastCopy64.exe
Token: SeRestorePrivilege	2556	FastCopy64.exe
Token: SeManageVolumePrivilege	2556	FastCopy64.exe
Token: SeSecurityPrivilege	2556	FastCopy64.exe
Token: 35	2556	FastCopy64.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2556	FastCopy64.exe
2556	FastCopy64.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2864	2136	FastCopy 5.7.15.exe	30
PID 2136 wrote to memory of 2864	2136	FastCopy 5.7.15.exe	30
PID 2136 wrote to memory of 2864	2136	FastCopy 5.7.15.exe	30
PID 2136 wrote to memory of 2864	2136	FastCopy 5.7.15.exe	30
PID 2864 wrote to memory of 2556	2864	FastCopy 5.7.15.exe	31
PID 2864 wrote to memory of 2556	2864	FastCopy 5.7.15.exe	31
PID 2864 wrote to memory of 2556	2864	FastCopy 5.7.15.exe	31
PID 2864 wrote to memory of 2556	2864	FastCopy 5.7.15.exe	31

C:\Users\Admin\AppData\Local\Temp\FastCopy 5.7.15\FastCopy 5.7.15.exe
"C:\Users\Admin\AppData\Local\Temp\FastCopy 5.7.15\FastCopy 5.7.15.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\FastCopy 5.7.15\FastCopy 5.7.15.exe
  "C:\Users\Admin\AppData\Local\Temp\FastCopy 5.7.15\FastCopy 5.7.15.exe" -sfxwaitall:0 "FastCopy\FastCopy64.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FastCopy\FastCopy64.exe
    "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FastCopy\FastCopy64.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\FastCopy\FastCopy64.exe

Filesize
1.2MB

MD5
a42d03d947e62cb801286b08155d77aa

SHA1
7e94862b174a5296232b59ab1aec2a3362b6737b

SHA256
6a7ee6b2058a5fc52110f77a19cf283679d76d48376efdc2cf1e6c4b7ae58b35

SHA512
01f439ccc5400e6426fc55bb8d43cc5ccc32b7a73c411575495cb6e64e4fe9d61323744d8c68e3fe490bc74c27e47f116888a8f9b6391fe850138197f778a371

Download Submit
memory/2136-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2136-5-0x00000000005B0000-0x00000000005D0000-memory.dmp

Filesize
128KB

Download
memory/2136-12-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2136-16-0x00000000005B0000-0x00000000005D0000-memory.dmp

Filesize
128KB

Download
memory/2864-6-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2864-13-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download