532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6

Analysis

max time kernel
46s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
28/10/2022, 17:52

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General

Target

532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe
Size

60KB
MD5

006034bbfa45df8002f5dfc6e58c96b8
SHA1

f7dee15812579c8f9bb3c7c669798d26537d0951
SHA256

532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6
SHA512

aefeb4e71b699512c9bddf8abaf4c0fc76764dfa16c84fcb3fd40f7e1fe4a6b71b90e5c33baace9d6248a6bbaf920786443e4c3a2c5a6c5000a66ee3b97d3eff
SSDEEP

1536:xf4exGDkeZ4mOoSgJEAJJ/A4yL6j22HpkVkJGjt:p4eYZ4+1JXJJ4wTpUVZ

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a000000013482-55.dat	acprotect

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000013482-55.dat	upx

Loads dropped DLL 3 IoCs

pid	Process
852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe
852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe
852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\winrar\ico\taobao.tbico	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe

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

System Information Discovery
T1082

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbico\ = "icofile"	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.nco	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.nco\ = "VBSFile"	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbico	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 1020	852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe	29
PID 852 wrote to memory of 1020	852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe	29
PID 852 wrote to memory of 1020	852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe	29
PID 852 wrote to memory of 1020	852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe	29
PID 852 wrote to memory of 1020	852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe	29
PID 852 wrote to memory of 1020	852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe	29
PID 852 wrote to memory of 1020	852	532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe	29

C:\Users\Admin\AppData\Local\Temp\532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe
"C:\Users\Admin\AppData\Local\Temp\532b5bbc24a5093eb804d276712a71d35ccd99a5b403444b1ee146484d1857c6.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\wscript.exe
  wscript.exe /nologo "C:\Users\Admin\AppData\Local\Temp\1356.nco"
  2⤵
  PID:1020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsi38B.tmp\InetLoad.dll

Filesize
18KB

MD5
994669c5737b25c26642c94180e92fa2

SHA1
d8a1836914a446b0e06881ce1be8631554adafde

SHA256
bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

SHA512
d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

Download Submit
\Users\Admin\AppData\Local\Temp\nsi38B.tmp\InetLoad.dll

Filesize
18KB

MD5
994669c5737b25c26642c94180e92fa2

SHA1
d8a1836914a446b0e06881ce1be8631554adafde

SHA256
bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

SHA512
d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

Download Submit
\Users\Admin\AppData\Local\Temp\nsi38B.tmp\nsRandom.dll

Filesize
21KB

MD5
ab467b8dfaa660a0f0e5b26e28af5735

SHA1
596abd2c31eaff3479edf2069db1c155b59ce74d

SHA256
db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

SHA512
7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301

Download Submit
memory/852-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/852-58-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/852-61-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download