3feecb6e1f0296b7a9cb99e9cde0469c98bd96faed0beda76998893fbdeb9411

Resubmissions

22/02/2023, 14:05

230222-rdy69adg5x6

10/02/2023, 15:13

230210-slrb2sfc968

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
10/02/2023, 15:13

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General

Target
file.exe
Size 357KB
Sample230210-slrb2sfc96
SHA256 3feecb6e1f0296b7a9cb99e9cde0469c98bd96faed0beda76998893fbdeb9411
MD5 b063b65e112de3e4d71e34d2ad049f7e
SHA1 dfda6b6fb21435d275d93e8ff71bbf5063ceeafe
SHA512 7b5b7b800fcd861cdbc929aeae026572f09aeb4463579f6b3d5dd7c541f7df3d2a6af0660fc542b05b2cf73ec4ef02807da586e2ed9e703a84354b2476c6851d
SSDEEP 3072:o9Gkbk+xiAG7a4qROHlgQ/bYopV9awkxPoQn5M79nf6Np2G2UU:cH4AGa4FFPYopnZQ+RnfWp2G
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 1 IoCs

pid	Process
3768	HJDBFBKKJD.exe

Loads dropped DLL 2 IoCs

pid	Process
2264	file.exe
2264	file.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2504	2264	WerFault.exe	79

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1828	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2264	file.exe
2264	file.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 4284	2264	file.exe	83
PID 2264 wrote to memory of 4284	2264	file.exe	83
PID 2264 wrote to memory of 4284	2264	file.exe	83
PID 2264 wrote to memory of 1144	2264	file.exe	85
PID 2264 wrote to memory of 1144	2264	file.exe	85
PID 2264 wrote to memory of 1144	2264	file.exe	85
PID 1144 wrote to memory of 1828	1144	cmd.exe	88
PID 1144 wrote to memory of 1828	1144	cmd.exe	88
PID 1144 wrote to memory of 1828	1144	cmd.exe	88
PID 4284 wrote to memory of 3768	4284	cmd.exe	90
PID 4284 wrote to memory of 3768	4284	cmd.exe	90
PID 4284 wrote to memory of 3768	4284	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HJDBFBKKJD.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Users\Admin\AppData\Local\Temp\HJDBFBKKJD.exe
    "C:\Users\Admin\AppData\Local\Temp\HJDBFBKKJD.exe"
    3⤵
    - Executes dropped EXE
    PID:3768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:1828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 2212
  2⤵
  - Program crash
  PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2264 -ip 2264
1⤵
PID:116

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

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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HJDBFBKKJD.exe

Path C:\Users\Admin\AppData\Local\Temp\HJDBFBKKJD.exe
Size 1.9MB
SHA256 8bdaa29f2c78fcae81fc803025034d4dafd68b32ee8681fd94de10453120f12c
MD5 80efa734c71206548674d3a3a8bd35af
SHA1 18b5b014d350acd4f21067115ea67782bbac49ac
SHA512 02f567b8d10f771cba298e8d3c74387cd55fd5caed5ede49b70e04df10da340cf56a9eaf8f432da142a445acd655834318675f63160b847ea0a040dd800a4131
SSDEEP 49152:rKR12jreM/OGRJ8VQ/cyKFlWVfiexLU0UUB6ev79I1M/9CW/5:2Gd2GRJ8VQ/cyK8fvLwUkx1M/NR
MD5 SHA1 SHA512 SSDEEP

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HJDBFBKKJD.exe

Path C:\Users\Admin\AppData\Local\Temp\HJDBFBKKJD.exe
Size 1.9MB
SHA256 8bdaa29f2c78fcae81fc803025034d4dafd68b32ee8681fd94de10453120f12c
MD5 80efa734c71206548674d3a3a8bd35af
SHA1 18b5b014d350acd4f21067115ea67782bbac49ac
SHA512 02f567b8d10f771cba298e8d3c74387cd55fd5caed5ede49b70e04df10da340cf56a9eaf8f432da142a445acd655834318675f63160b847ea0a040dd800a4131
SSDEEP 49152:rKR12jreM/OGRJ8VQ/cyKFlWVfiexLU0UUB6ev79I1M/9CW/5:2Gd2GRJ8VQ/cyK8fvLwUkx1M/NR
MD5 SHA1 SHA512 SSDEEP

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memory/2264-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/2264-133-0x00000000007B0000-0x00000000007C5000-memory.dmp

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memory/2264-164-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/2264-136-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/2264-135-0x00000000008FE000-0x0000000000913000-memory.dmp

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memory/2264-134-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/2264-163-0x00000000008FE000-0x0000000000913000-memory.dmp

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memory/2264-132-0x00000000008FE000-0x0000000000913000-memory.dmp

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memory/3768-165-0x00000000024D5000-0x000000000267F000-memory.dmp

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memory/3768-166-0x0000000002680000-0x0000000002A50000-memory.dmp

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memory/3768-167-0x0000000000400000-0x0000000000803000-memory.dmp

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memory/3768-168-0x0000000000400000-0x0000000000803000-memory.dmp

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