146e6319be1d5232df22fe3911f3d447ed69a4db820971723ccd39f4ef868a27

Analysis

max time kernel
69s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2022, 09:44

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General

Target

file.exe
Size

8.0MB
MD5

4c97bff6c6e80a0d5af1c558832c48cc
SHA1

cc2aad2afd63c3bea2ebd7c745346105bd79c863
SHA256

146e6319be1d5232df22fe3911f3d447ed69a4db820971723ccd39f4ef868a27
SHA512

1523fb45ad116638adf7bc1f99f83eab1944bb4f15c964ba0a8216b935114c472f7845f6935d4371506e48d44dfd2b6028b5d282a72f009f153d6fce8c432ae1
SSDEEP

98304:hTCdbfDZzWfI4gd+Bl59vkwjpwKNjtbMj/oKMZVaLzp:lYr1uI4gd+T3d5bqhpx

Score

8^/10

spyware stealer upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/364-134-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/364-137-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/364-139-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/364-140-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/364-162-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/364-164-0x0000000000400000-0x0000000000470000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
364	InstallUtil.exe
364	InstallUtil.exe

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1128 set thread context of 364	1128	file.exe	80

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	InstallUtil.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4584	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
364	InstallUtil.exe
364	InstallUtil.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 364	1128	file.exe	80
PID 1128 wrote to memory of 364	1128	file.exe	80
PID 1128 wrote to memory of 364	1128	file.exe	80
PID 1128 wrote to memory of 364	1128	file.exe	80
PID 1128 wrote to memory of 364	1128	file.exe	80
PID 1128 wrote to memory of 364	1128	file.exe	80
PID 1128 wrote to memory of 364	1128	file.exe	80
PID 364 wrote to memory of 2304	364	InstallUtil.exe	84
PID 364 wrote to memory of 2304	364	InstallUtil.exe	84
PID 364 wrote to memory of 2304	364	InstallUtil.exe	84
PID 2304 wrote to memory of 4584	2304	cmd.exe	86
PID 2304 wrote to memory of 4584	2304	cmd.exe	86
PID 2304 wrote to memory of 4584	2304	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:364
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2304
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:4584

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll

Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/364-137-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/364-139-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/364-140-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/364-141-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/364-134-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/364-162-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/364-164-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1128-132-0x0000000000370000-0x0000000000B78000-memory.dmp

Filesize
8.0MB

Download
memory/1128-138-0x00007FF8F3C80000-0x00007FF8F4741000-memory.dmp

Filesize
10.8MB

Download
memory/1128-133-0x00007FF8F3C80000-0x00007FF8F4741000-memory.dmp

Filesize
10.8MB

Download