c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7

Analysis

max time kernel
156s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 15:33

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General

Target

c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
Size

9.1MB
MD5

5624015552c831395575f7b429be633f
SHA1

2fd5c8698e0557c1df5cf918ef828a24f9a391cc
SHA256

c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7
SHA512

57743627a83783a769776a668ee709803a1aca9fcd87daed8d85c16071c501df2468a8f28fb580b279b78cb8e49e20e85c59766cc95333198fb793bd1354636c
SSDEEP

196608:ceEU0VUYugtxC0yMqf46loe+dspAWXVcWDI1pON3bdK+WobUt4Jy97:cYMFg/lHDpn416dK/57

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023202-1.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
4672	gpuz_installer.exe
2976	gpuz_installer.tmp

Loads dropped DLL 2 IoCs

pid	Process
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023202-1.dat	upx
behavioral2/memory/4040-5-0x0000000000490000-0x0000000002DF5000-memory.dmp	upx
behavioral2/memory/4040-6-0x0000000000490000-0x0000000002DF5000-memory.dmp	upx
behavioral2/memory/4040-7-0x0000000000490000-0x0000000002DF5000-memory.dmp	upx
behavioral2/memory/4040-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x000d000000023127-17.dat	upx
behavioral2/files/0x000600000002320c-30.dat	upx
behavioral2/memory/4040-28-0x0000000000490000-0x0000000002DF5000-memory.dmp	upx
behavioral2/memory/4040-31-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4040-38-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4040-43-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4040-51-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4040-62-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
File created	C:\Program Files\Common Files\System\symsrv.dll	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
Token: SeDebugPrivilege	4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 4672	4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe	88
PID 4040 wrote to memory of 4672	4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe	88
PID 4040 wrote to memory of 4672	4040	c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe	88
PID 4672 wrote to memory of 2976	4672	gpuz_installer.exe	89
PID 4672 wrote to memory of 2976	4672	gpuz_installer.exe	89
PID 4672 wrote to memory of 2976	4672	gpuz_installer.exe	89

C:\Users\Admin\AppData\Local\Temp\c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe
"C:\Users\Admin\AppData\Local\Temp\c105d3a09155c99dadf7915d8004e49f356a3854d22050f9812183df1ce659d7.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Users\Admin\AppData\Local\Temp\gpuz_installer.exe
  "C:\Users\Admin\AppData\Local\Temp\\gpuz_installer.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4672
- - C:\Users\Admin\AppData\Local\Temp\is-Q459H.tmp\gpuz_installer.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-Q459H.tmp\gpuz_installer.tmp" /SL5="$70212,721408,721408,C:\Users\Admin\AppData\Local\Temp\gpuz_installer.exe"
    3⤵
    - Executes dropped EXE
    PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Microsoft Shared\ink\tiptsf.dll.tmp

Filesize
589KB

MD5
bed30d2bb442ac66d478e77b67967461

SHA1
5f50d01c93f2b21f5f75638e1d82566b6d843b0d

SHA256
200ba233afc174ca35c0df093dd5983877efcf47b92f2f3d7e182fa383bd09b5

SHA512
a9d44dfbbceee71df472e21ea3b67d29ed3c97735542e5027fc85327e5b7a246a306d75dce22252119634c63cfe620948f87eee922b4b087904e8b7ae4205798

Download Submit
C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
C:\Program Files\Common Files\System\symsrv.dll.000

Filesize
175B

MD5
1130c911bf5db4b8f7cf9b6f4b457623

SHA1
48e734c4bc1a8b5399bff4954e54b268bde9d54c

SHA256
eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

SHA512
94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\A1D26E2\C69C618FC8.tmp

Filesize
1.1MB

MD5
3d5521062c0b6395c6f5bedc2257135f

SHA1
b03901ac6e12193595b3c86546e4d886b43789f0

SHA256
2acea3c1dfd4b5a4b86077e11a2e510883c5e3bbf9dfc5645d64e074ed169619

SHA512
1eb51797557b384117ec917cdcdb8ad6b5674311978e9cb16bc9195084b8fe1ff5580ce47a7494dd992f546bee3dd5ecacf69596e7664244f0f17c2c1d5e4989

Download Submit
C:\Users\Admin\AppData\Local\Temp\GPU-Z.exe

Filesize
527KB

MD5
ff45bc9b2b1ffb1dcfb2e2de992ca449

SHA1
9e5030b9d102b545414a1f6836f593283620e857

SHA256
7307c91b1d62cf62856ff00e1f47541ec51ae04be8662687853e22c5e0ba1534

SHA512
c548d3f28d77f135136d450f18664d2c04846f69c4f8504fb967bc991097ddf4fa1093b220a5c3ea1ffd7cb7c589f7a68d7ec22855b27460d178c716c1b4f7b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\gpuz_installer.exe

Filesize
853KB

MD5
f0148005248c2078f6cc7c3ee200232b

SHA1
aa640985274db7c84caa48ce3dc7b8b735707a40

SHA256
747c952a307a57b71693bf48b7e336f3b9b2e94dc2dcbfa49bca2b065b8ead82

SHA512
01ebab8ff952e30d8e1b9333c46adf7404c3f29cccc138c37c901078160146073c50c7a1818fd46793f1d6ba8d6fe48e367a9242c18cbd45fa370d1eeed18aa9

Download Submit
C:\Users\Admin\AppData\Local\Temp\gpuz_installer.exe

Filesize
893KB

MD5
78e03c5eb1642754d022b94faa2ec40a

SHA1
5ff9adb0626125829e754070c297073952bf0e74

SHA256
b6d05fdcc18b84f03137767af904f7c73f68aca6a50e05d285dafb603ce43e6d

SHA512
2820b94a940f940b9fef52eb578006401580b9bea79a2e227a44069cb20a31fc7845549ea3a333f0d92583f5f98faaca2ae6c557551ff25d23a3d01a433a4c33

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q459H.tmp\gpuz_installer.tmp

Filesize
843KB

MD5
15587f76bbc453c336df0c0ee02dfd7e

SHA1
4fe3d7b08d63261d15f48dfea2504ba9cf5e9973

SHA256
74422b2bef7523207379e4b5327badc578d18c419a4ce37760015b5e469578cb

SHA512
5c7328103a508320f80dc80ccb3ea548b8402794e63567f83428729f34517b036fc7ba9ec8f1576e1162e01b7678a95397d5393409269e9d0d6d6f92f0b09dcf

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q459H.tmp\gpuz_installer.tmp

Filesize
2.4MB

MD5
8e2d270339dcd0a68fbb2f02a65d45dd

SHA1
bfcdb1f71692020858f96960e432e94a4e70c4a4

SHA256
506176b3245de84bb0b7a4da4b8068b9dd289eb9a3a1757d4183c7c3f168c811

SHA512
31eac8aabe8ac83f24d4eba21bc3a52b56105f52402aeb00e505a6be3208cf92cc57529b26f1b29605f554dccdff51e9f28f584268bfda689f53be624f3fd647

Download Submit
memory/2976-44-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/2976-32-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/4040-28-0x0000000000490000-0x0000000002DF5000-memory.dmp

Filesize
41.4MB

Download
memory/4040-7-0x0000000000490000-0x0000000002DF5000-memory.dmp

Filesize
41.4MB

Download
memory/4040-31-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4040-62-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4040-34-0x0000000077B80000-0x0000000077BE3000-memory.dmp

Filesize
396KB

Download
memory/4040-35-0x0000000077B80000-0x0000000077BE3000-memory.dmp

Filesize
396KB

Download
memory/4040-38-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4040-5-0x0000000000490000-0x0000000002DF5000-memory.dmp

Filesize
41.4MB

Download
memory/4040-43-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4040-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4040-6-0x0000000000490000-0x0000000002DF5000-memory.dmp

Filesize
41.4MB

Download
memory/4040-51-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4040-55-0x0000000077B80000-0x0000000077BE3000-memory.dmp

Filesize
396KB

Download
memory/4672-24-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4672-39-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4672-21-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download