77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b274f3b57af14c161dcd0

Analysis

max time kernel
73s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
10/07/2022, 17:06

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General

Target
77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe
Size 291KB
Sample220710-vmdtfsegc9
SHA256 77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b274f3b57af14c161dcd0
MD5 1051bc72f7a92341616ffc8e32bb81e2
SHA1 bffa27d9fca5ac694d899d9cc547bf6f1b9f5914
SHA512 8a7cc555d2966683d9d20e34a94b9f5e24692fdd7f0f16554380cf319c03748dbd347c379c14ec0b8bc3e0c14c9b5c046ba03deb9f580423b3fb3b60f28195d0
MD5 SHA1 SHA512

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
4400	7646688527.exe

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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4444	3588	WerFault.exe	79
1540	4400	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
3868	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3868	taskkill.exe
Token: SeDebugPrivilege	4400	7646688527.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 3912	3588	77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe	80
PID 3588 wrote to memory of 3912	3588	77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe	80
PID 3588 wrote to memory of 3912	3588	77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe	80
PID 3912 wrote to memory of 4400	3912	cmd.exe	82
PID 3912 wrote to memory of 4400	3912	cmd.exe	82
PID 3912 wrote to memory of 4400	3912	cmd.exe	82
PID 3588 wrote to memory of 3568	3588	77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe	83
PID 3588 wrote to memory of 3568	3588	77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe	83
PID 3588 wrote to memory of 3568	3588	77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe	83
PID 3568 wrote to memory of 3868	3568	cmd.exe	87
PID 3568 wrote to memory of 3868	3568	cmd.exe	87
PID 3568 wrote to memory of 3868	3568	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe
"C:\Users\Admin\AppData\Local\Temp\77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\7646688527.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3912
- - C:\Users\Admin\AppData\Local\Temp\7646688527.exe
    "C:\Users\Admin\AppData\Local\Temp\7646688527.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 1836
      4⤵
      Program crash
      PID:1540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "77284b3cbc32cafcd4aa5d222d0a0ecb92d72d465f8b2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3868
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 1472
  2⤵
  - Program crash
  PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3588 -ip 3588
1⤵
PID:4300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4400 -ip 4400
1⤵
PID:2364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

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

Web Service

T1102

Exfiltration

Impact

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Downloads

7646688527.exe

Path C:\Users\Admin\AppData\Local\Temp\7646688527.exe
Size 335KB
SHA256 d16a977ba88ef2ee94a882f25e0d3512a02124448bd3415bcb2e7c7798d887a0
MD5 ee4d144ff21674148a5239acdde8d841
SHA1 db438ee259e95ae0a40690bfbe7feef0912b68ce
SHA512 8efba6c7d0cc4dd8829c1d8e802d3a8863abe13a08a1ca97878a8c09160367dbb915f1d8fe3ea7db5a3acae2fb8fe14268e0c4f7ac3dd61fae848eb993de7176
SSDEEP 6144:ZC0p+gE7lltvPuMZLFR1E0WOAETh4B5/im1I9tCiWDPShZhsmXiga:ZChgEVvPuMJFPRWGyim14tQahZWl
MD5 SHA1 SHA512 SSDEEP

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7646688527.exe

Path C:\Users\Admin\AppData\Local\Temp\7646688527.exe
Size 335KB
SHA256 d16a977ba88ef2ee94a882f25e0d3512a02124448bd3415bcb2e7c7798d887a0
MD5 ee4d144ff21674148a5239acdde8d841
SHA1 db438ee259e95ae0a40690bfbe7feef0912b68ce
SHA512 8efba6c7d0cc4dd8829c1d8e802d3a8863abe13a08a1ca97878a8c09160367dbb915f1d8fe3ea7db5a3acae2fb8fe14268e0c4f7ac3dd61fae848eb993de7176
SSDEEP 6144:ZC0p+gE7lltvPuMZLFR1E0WOAETh4B5/im1I9tCiWDPShZhsmXiga:ZChgEVvPuMJFPRWGyim14tQahZWl
MD5 SHA1 SHA512 SSDEEP

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memory/3588-142-0x00000000008AD000-0x00000000008C8000-memory.dmp

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memory/3588-131-0x0000000002240000-0x000000000226A000-memory.dmp

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memory/3588-132-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/3588-130-0x00000000008AD000-0x00000000008C8000-memory.dmp

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memory/3588-143-0x0000000000400000-0x0000000000643000-memory.dmp

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memory/4400-144-0x0000000004D20000-0x00000000052C4000-memory.dmp

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memory/4400-149-0x0000000005B90000-0x0000000005BCC000-memory.dmp

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memory/4400-140-0x0000000002170000-0x00000000021A9000-memory.dmp

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memory/4400-139-0x00000000006D8000-0x0000000000705000-memory.dmp

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memory/4400-145-0x00000000006D8000-0x0000000000705000-memory.dmp

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memory/4400-146-0x0000000005370000-0x0000000005988000-memory.dmp

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memory/4400-147-0x00000000059F0000-0x0000000005A02000-memory.dmp

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memory/4400-148-0x0000000005A10000-0x0000000005B1A000-memory.dmp

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memory/4400-141-0x0000000000400000-0x000000000064F000-memory.dmp

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memory/4400-150-0x0000000005E50000-0x0000000005EC6000-memory.dmp

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memory/4400-151-0x0000000005F40000-0x0000000005FD2000-memory.dmp

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memory/4400-152-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

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memory/4400-153-0x00000000061C0000-0x0000000006226000-memory.dmp

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memory/4400-154-0x0000000006880000-0x0000000006A42000-memory.dmp

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memory/4400-155-0x0000000006A60000-0x0000000006F8C000-memory.dmp

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memory/4400-156-0x00000000006D8000-0x0000000000705000-memory.dmp

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memory/4400-157-0x0000000000400000-0x000000000064F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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