8fd23e0eb4cf2b6ce6220b6436f1c4e3ee3956de8833954a8538298b5ed95848

Analysis

max time kernel
122s
max time network
137s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 19:59

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General

Target

39cf6e9031d56565d1495814e66c401b.exe
Size

122KB
MD5

39cf6e9031d56565d1495814e66c401b
SHA1

4c5d591c9f514d9637da004cf1ff46090a2403e7
SHA256

8fd23e0eb4cf2b6ce6220b6436f1c4e3ee3956de8833954a8538298b5ed95848
SHA512

1c1a7afbff566f4946490b13b5cdb6513b3c1d725314051f55b2147181a7bb7cc41db5165a9f4244173556e1303049a44d68db989bb2fb4c90bc9c73b8b93b2b
SSDEEP

1536:s+DN+aMm+vVd6tRqaR30SYakNtShB9lqJ+JGXzVtWe45WMW:FN+y+baMsB9lGqGXz4Q

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

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	39cf6e9031d56565d1495814e66c401b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	39cf6e9031d56565d1495814e66c401b.exe

Drops startup file 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39cf6e9031d56565d1495814e66c401b.exe	39cf6e9031d56565d1495814e66c401b.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39cf6e9031d56565d1495814e66c401b.exe	39cf6e9031d56565d1495814e66c401b.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ufr_reports	39cf6e9031d56565d1495814e66c401b.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ufr_reports\NO_PWDS_report_26-12-2023_18-59-29-63686EB9-HLON.bin	39cf6e9031d56565d1495814e66c401b.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ufr_reports\NO_PWDS_report_26-12-2023_18-59-29-63686EB9-HLON.bin	39cf6e9031d56565d1495814e66c401b.exe

Executes dropped EXE 1 IoCs

pid	Process
1152	39cf6e9031d56565d1495814e66c401b.exe

Loads dropped DLL 1 IoCs

pid	Process
2880	39cf6e9031d56565d1495814e66c401b.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	whatismyip.akamai.com

Checks processor information in registry 2 TTPs 3 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	39cf6e9031d56565d1495814e66c401b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	39cf6e9031d56565d1495814e66c401b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	39cf6e9031d56565d1495814e66c401b.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2880	39cf6e9031d56565d1495814e66c401b.exe
2880	39cf6e9031d56565d1495814e66c401b.exe
2880	39cf6e9031d56565d1495814e66c401b.exe
1152	39cf6e9031d56565d1495814e66c401b.exe
1152	39cf6e9031d56565d1495814e66c401b.exe
1152	39cf6e9031d56565d1495814e66c401b.exe
1152	39cf6e9031d56565d1495814e66c401b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 1152	2880	39cf6e9031d56565d1495814e66c401b.exe	27
PID 2880 wrote to memory of 1152	2880	39cf6e9031d56565d1495814e66c401b.exe	27
PID 2880 wrote to memory of 1152	2880	39cf6e9031d56565d1495814e66c401b.exe	27
PID 2880 wrote to memory of 1152	2880	39cf6e9031d56565d1495814e66c401b.exe	27

C:\Users\Admin\AppData\Local\Temp\39cf6e9031d56565d1495814e66c401b.exe
"C:\Users\Admin\AppData\Local\Temp\39cf6e9031d56565d1495814e66c401b.exe"
1⤵
- Checks BIOS information in registry
- Drops startup file
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39cf6e9031d56565d1495814e66c401b.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39cf6e9031d56565d1495814e66c401b.exe"
  2⤵
  - Checks BIOS information in registry
  - Drops startup file
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ufr_reports\NO_PWDS_report_26-12-2023_18-59-29-63686EB9-HLON.bin

Filesize
1KB

MD5
f41e88e4f53a2f1a066ba106984f9706

SHA1
4733a3c5ac447056b41bf07f4ef4b38d42be02d5

SHA256
08a5085a8aae6d96ee6055db0e3fa900f34725ac8d04b428056697ac9d47827f

SHA512
7d2af1da09085aeaab06f02c4213fa71c1d72277090e942a59e3ef2eb63fc1d05e93a46dd2a63efaaa2a92218763c6b76370bb5afeed39143847722d1f04d1d1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39cf6e9031d56565d1495814e66c401b.exe

Filesize
122KB

MD5
39cf6e9031d56565d1495814e66c401b

SHA1
4c5d591c9f514d9637da004cf1ff46090a2403e7

SHA256
8fd23e0eb4cf2b6ce6220b6436f1c4e3ee3956de8833954a8538298b5ed95848

SHA512
1c1a7afbff566f4946490b13b5cdb6513b3c1d725314051f55b2147181a7bb7cc41db5165a9f4244173556e1303049a44d68db989bb2fb4c90bc9c73b8b93b2b

Download Submit
memory/1152-9-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/1152-14-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/1152-22-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2880-0-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2880-7-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2880-5-0x0000000000140000-0x00000000001C7000-memory.dmp

Filesize
540KB

Download