b8d2844e37a379d96f22c0ca6e4fbfa2b34fe2cf7f0233cd3724b6c11b426ce0

Analysis

max time kernel
148s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07-06-2024 03:02

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General

Target

FREE-UNBAN.exe
Size

11.9MB
MD5

deabf59f720f28d237fd34a497295182
SHA1

bcc3f454d7b02df4a35e497c0f72572c33e8ea67
SHA256

b8d2844e37a379d96f22c0ca6e4fbfa2b34fe2cf7f0233cd3724b6c11b426ce0
SHA512

3abde0c0198a1857329426e1810e33e7b3b3dae4fc2fccbd02344541cd9adc965f371ab0e2e06d65a9ffd269cfecb4e745d5baa6426606a9d6aca4702a5471a7
SSDEEP

196608:Aqw65La7f9DJwP/GAkKtwHwAce28vF//C7eanr+nJktEnKe2p1hk77qAyV9FYepp:QJwP/nkgyqeanGkunKe2LhkXNyV9iMYY

Score

9^/10

evasion themida trojan upx

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Free-Clxp.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Free-Clxp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Free-Clxp.exe

Executes dropped EXE 3 IoCs

pid	Process
2100	Windows Defender.exe
2544	Windows Defender.exe
2992	Free-Clxp.exe

Loads dropped DLL 15 IoCs

pid	Process
2028	FREE-UNBAN.exe
2796	Process not Found
2100	Windows Defender.exe
2544	Windows Defender.exe
2544	Windows Defender.exe
2544	Windows Defender.exe
2544	Windows Defender.exe
2544	Windows Defender.exe
2544	Windows Defender.exe
2544	Windows Defender.exe
860	WerFault.exe
860	WerFault.exe
860	WerFault.exe
860	WerFault.exe
860	WerFault.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/files/0x00090000000139e0-151.dat	themida
behavioral1/memory/2992-179-0x00000000011A0000-0x0000000001A52000-memory.dmp	themida
behavioral1/memory/2992-180-0x00000000011A0000-0x0000000001A52000-memory.dmp	themida

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00060000000160af-87.dat	upx
behavioral1/memory/2544-89-0x000007FEF5B80000-0x000007FEF616E000-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	Free-Clxp.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2992	Free-Clxp.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
860	2992	WerFault.exe	31

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2992	Free-Clxp.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2100	2028	FREE-UNBAN.exe	28
PID 2028 wrote to memory of 2100	2028	FREE-UNBAN.exe	28
PID 2028 wrote to memory of 2100	2028	FREE-UNBAN.exe	28
PID 2100 wrote to memory of 2544	2100	Windows Defender.exe	30
PID 2100 wrote to memory of 2544	2100	Windows Defender.exe	30
PID 2100 wrote to memory of 2544	2100	Windows Defender.exe	30
PID 2028 wrote to memory of 2992	2028	FREE-UNBAN.exe	31
PID 2028 wrote to memory of 2992	2028	FREE-UNBAN.exe	31
PID 2028 wrote to memory of 2992	2028	FREE-UNBAN.exe	31
PID 2028 wrote to memory of 2992	2028	FREE-UNBAN.exe	31
PID 2992 wrote to memory of 860	2992	Free-Clxp.exe	32
PID 2992 wrote to memory of 860	2992	Free-Clxp.exe	32
PID 2992 wrote to memory of 860	2992	Free-Clxp.exe	32
PID 2992 wrote to memory of 860	2992	Free-Clxp.exe	32

C:\Users\Admin\AppData\Local\Temp\FREE-UNBAN.exe
"C:\Users\Admin\AppData\Local\Temp\FREE-UNBAN.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Windows Defender.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Windows Defender.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\Windows Defender.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Windows Defender.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2544
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Free-Clxp.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Free-Clxp.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 628
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Free-Clxp.exe

Filesize
3.2MB

MD5
243f727abba57d91bb7d86cdd4093c69

SHA1
55d42398df13f885cf7a93938c8bc8d8038f7877

SHA256
ee2e932e28decab056e20f04de2b86d3874dca5b2116fc6d29ce4e6521a2790e

SHA512
08e078f4b1444646d78edfc05482267a0c56d3cfc51511fe75c413ecfdd198ed2ce2ae05ee54a8350c68aa8e6c9215400b6b93c9490491ea895ba0e5a32d8b34

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21002\api-ms-win-core-file-l2-1-0.dll

Filesize
18KB

MD5
bfffa7117fd9b1622c66d949bac3f1d7

SHA1
402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

SHA256
1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

SHA512
b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21002\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
724223109e49cb01d61d63a8be926b8f

SHA1
072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

SHA256
4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

SHA512
19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21002\python311.dll

Filesize
1.6MB

MD5
76eb1ad615ba6600ce747bf1acde6679

SHA1
d3e1318077217372653be3947635b93df68156a4

SHA256
30be871735591ad96bc3fc7e541cdef474366159c2f7443feb30739cbd2db7e1

SHA512
2b960e74dd73f61d6a44fef0de9f2d50bcf2ec856b7aa5b97f0107e3cdadea461790760668a67db2ecaf71ff323133ee39ce2b38aafff3629c14e736d6a64aeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21002\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\Windows Defender.exe

Filesize
8.1MB

MD5
7de820a3f10f873ce883603f73d77bd8

SHA1
20c04fcd79444cc7c3ce724ed45b7b9a00931315

SHA256
5d01c383af5daa8257a7080128e648034011798931be2a94dbe80a037872201b

SHA512
b443ba39b6e87ff53c1ed8627242d6bf42dc14f5bdb96078054f8801b3b53ccc5c63fca59b375dcf82990fbde4fe8b4516cf5d7f1e160b00aaf7ff45207f1869

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21002\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
1c58526d681efe507deb8f1935c75487

SHA1
0e6d328faf3563f2aae029bc5f2272fb7a742672

SHA256
ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

SHA512
8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21002\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
517eb9e2cb671ae49f99173d7f7ce43f

SHA1
4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

SHA256
57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

SHA512
492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21002\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
d12403ee11359259ba2b0706e5e5111c

SHA1
03cc7827a30fd1dee38665c0cc993b4b533ac138

SHA256
f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

SHA512
9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

Download Submit
memory/2544-89-0x000007FEF5B80000-0x000007FEF616E000-memory.dmp

Filesize
5.9MB

Download
memory/2992-172-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-163-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-154-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-164-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-167-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-166-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-169-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-177-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-176-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-175-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-174-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-173-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-152-0x00000000011A0000-0x0000000001A52000-memory.dmp

Filesize
8.7MB

Download
memory/2992-171-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-170-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-168-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-165-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-153-0x0000000075114000-0x0000000075115000-memory.dmp

Filesize
4KB

Download
memory/2992-162-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-161-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-159-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-158-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-157-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-160-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-178-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-156-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-155-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-179-0x00000000011A0000-0x0000000001A52000-memory.dmp

Filesize
8.7MB

Download
memory/2992-180-0x00000000011A0000-0x0000000001A52000-memory.dmp

Filesize
8.7MB

Download
memory/2992-181-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-188-0x00000000011A0000-0x0000000001A52000-memory.dmp

Filesize
8.7MB

Download
memory/2992-189-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download
memory/2992-190-0x0000000075114000-0x0000000075115000-memory.dmp

Filesize
4KB

Download
memory/2992-191-0x0000000075100000-0x0000000075210000-memory.dmp

Filesize
1.1MB

Download