b76b4b8eb90d967e0b7299c7773850a8f2edd64d13ec924ba0966aad1e6b2ddf

Analysis

max time kernel
170s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:37

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General

Target

b76b4b8eb90d967e0b7299c7773850a8f2edd64d13ec924ba0966aad1e6b2ddf.dll
Size

222KB
MD5

bf5c56128c20c9b250e3ccf5cc14171a
SHA1

29ac1a43682ea5347b8e6ef7a24427c494f77b78
SHA256

b76b4b8eb90d967e0b7299c7773850a8f2edd64d13ec924ba0966aad1e6b2ddf
SHA512

66d836eb065a81fdb96d73d59a64709082dd026a93bb875a9e6beee327d8ccb89d292231e860e56cf721a34b55974dfc06d63999ae582de89330671a0333bed5
SSDEEP

3072:EXvXq7YTc//////GqBzPtgXDXvRTVki1ZNXy2Zq:mqsTc//////VWtVki1/CT

Score

8^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5108	inc2f.BBC

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

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\google\chrome\application\89.0.4389.114\installer\ws2help.dll	rundll32.exe
File created	\??\c:\program files\google\chrome\application\89.0.4389.114\installer\ws2help.dll	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft\edge\application\92.0.902.67\installer\ws2help.dll	rundll32.exe
File created	\??\c:\program files (x86)\microsoft\edge\application\92.0.902.67\installer\ws2help.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4344	5108	WerFault.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5108	inc2f.BBC

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4904	4980	rundll32.exe	82
PID 4980 wrote to memory of 4904	4980	rundll32.exe	82
PID 4980 wrote to memory of 4904	4980	rundll32.exe	82
PID 4904 wrote to memory of 5108	4904	rundll32.exe	83
PID 4904 wrote to memory of 5108	4904	rundll32.exe	83
PID 4904 wrote to memory of 5108	4904	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b76b4b8eb90d967e0b7299c7773850a8f2edd64d13ec924ba0966aad1e6b2ddf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b76b4b8eb90d967e0b7299c7773850a8f2edd64d13ec924ba0966aad1e6b2ddf.dll,#1
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4904
- - C:\Users\Admin\AppData\Local\Temp\inc2f.BBC
    inc2f.BBC
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:5108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 520
      4⤵
      Program crash
      PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5108 -ip 5108
1⤵
PID:768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\inc2f.BBC

Filesize
207KB

MD5
15f6df7ca649578efb4c4410678e0bb8

SHA1
16fd9761f19019c493cabb95a6007610f2c6e106

SHA256
aeca3d0a31a25d5cab8e0aaa72aa0f8d8cc7560132dc0090bcde43b31647d3b3

SHA512
474aa52e6abd3122735bd4fff58ff5a80cba889a6106254105b846d392fa80cc22c9c783d393c5e332f142aef273edd2a1dfbb457ba7b1e51285ba86953cd94d

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C:\Users\Admin\AppData\Local\Temp\inc2f.BBC

Filesize
207KB

MD5
15f6df7ca649578efb4c4410678e0bb8

SHA1
16fd9761f19019c493cabb95a6007610f2c6e106

SHA256
aeca3d0a31a25d5cab8e0aaa72aa0f8d8cc7560132dc0090bcde43b31647d3b3

SHA512
474aa52e6abd3122735bd4fff58ff5a80cba889a6106254105b846d392fa80cc22c9c783d393c5e332f142aef273edd2a1dfbb457ba7b1e51285ba86953cd94d

Download Submit