d07f46238c95ae64bb95021846ae77c20bf7c8e4a6e4f02357f6d18382965989

Analysis

max time kernel
135s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2023, 02:59

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General

Target

9ce5895cf7087cd578519a76e9eadb7c.exe
Size

1.3MB
MD5

9ce5895cf7087cd578519a76e9eadb7c
SHA1

43b4d21c0386158c18aa931ce35e99634be7f2e5
SHA256

d07f46238c95ae64bb95021846ae77c20bf7c8e4a6e4f02357f6d18382965989
SHA512

71c361470f6fc52d3a56085f28e63aa18baaccae3852f17507cd0c03ca1c18bb1d866379dd778469214d262026726d1d4bc8f08088bec1ed61060ebb14d05402
SSDEEP

12288:UmZH9f1IgJFbALOi5QGiPqcY4A8nMRUg27h606C:z9NXDGmYT8Pt6T

Score

6^/10

collection

Malware Config

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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
8	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3432 set thread context of 828	3432	9ce5895cf7087cd578519a76e9eadb7c.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1040	3432	WerFault.exe	86

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	RegSvcs.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
828	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	828	RegSvcs.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 828	3432	9ce5895cf7087cd578519a76e9eadb7c.exe	87
PID 3432 wrote to memory of 828	3432	9ce5895cf7087cd578519a76e9eadb7c.exe	87
PID 3432 wrote to memory of 828	3432	9ce5895cf7087cd578519a76e9eadb7c.exe	87
PID 3432 wrote to memory of 828	3432	9ce5895cf7087cd578519a76e9eadb7c.exe	87
PID 3432 wrote to memory of 828	3432	9ce5895cf7087cd578519a76e9eadb7c.exe	87
PID 828 wrote to memory of 888	828	RegSvcs.exe	90
PID 828 wrote to memory of 888	828	RegSvcs.exe	90
PID 828 wrote to memory of 888	828	RegSvcs.exe	90
PID 888 wrote to memory of 4976	888	cmd.exe	92
PID 888 wrote to memory of 4976	888	cmd.exe	92
PID 888 wrote to memory of 4976	888	cmd.exe	92
PID 888 wrote to memory of 4992	888	cmd.exe	93
PID 888 wrote to memory of 4992	888	cmd.exe	93
PID 888 wrote to memory of 4992	888	cmd.exe	93
PID 888 wrote to memory of 1204	888	cmd.exe	94
PID 888 wrote to memory of 1204	888	cmd.exe	94
PID 888 wrote to memory of 1204	888	cmd.exe	94
PID 828 wrote to memory of 2892	828	RegSvcs.exe	95
PID 828 wrote to memory of 2892	828	RegSvcs.exe	95
PID 828 wrote to memory of 2892	828	RegSvcs.exe	95
PID 2892 wrote to memory of 536	2892	cmd.exe	97
PID 2892 wrote to memory of 536	2892	cmd.exe	97
PID 2892 wrote to memory of 536	2892	cmd.exe	97
PID 2892 wrote to memory of 2756	2892	cmd.exe	98
PID 2892 wrote to memory of 2756	2892	cmd.exe	98
PID 2892 wrote to memory of 2756	2892	cmd.exe	98
PID 2892 wrote to memory of 1420	2892	cmd.exe	99
PID 2892 wrote to memory of 1420	2892	cmd.exe	99
PID 2892 wrote to memory of 1420	2892	cmd.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\9ce5895cf7087cd578519a76e9eadb7c.exe
"C:\Users\Admin\AppData\Local\Temp\9ce5895cf7087cd578519a76e9eadb7c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:828
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:888
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      PID:4976
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show profile
      4⤵
      PID:4992
  - - C:\Windows\SysWOW64\findstr.exe
      findstr All
      4⤵
      PID:1204
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show profile name="65001" key=clear | findstr Key
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      PID:536
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show profile name="65001" key=clear
      4⤵
      PID:2756
  - - C:\Windows\SysWOW64\findstr.exe
      findstr Key
      4⤵
      PID:1420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 240
  2⤵
  - Program crash
  PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3432 -ip 3432
1⤵
PID:1108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/828-133-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/828-138-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/828-139-0x0000000005B40000-0x0000000005BD2000-memory.dmp

Filesize
584KB

Download
memory/828-140-0x0000000005BE0000-0x0000000005C46000-memory.dmp

Filesize
408KB

Download
memory/828-141-0x0000000006300000-0x00000000068A4000-memory.dmp

Filesize
5.6MB

Download
memory/828-142-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download
memory/828-143-0x0000000006DA0000-0x0000000006E3C000-memory.dmp

Filesize
624KB

Download
memory/828-144-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download