eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3

Analysis

max time kernel
194s
max time network
215s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 02:36

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General

Target

eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe
Size

203KB
MD5

ca2a3f209be25a8ebb65bda3979d1ac7
SHA1

d888b31a18e0dca50fdc7f878f864a6c1ec5d5fe
SHA256

eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3
SHA512

f574324a7f58d6ffee5b02760ca6038e6567df991da67eba1780e06e8b2f893f3a7952ded57f842f9717ceaf55874d3bfa410846fa4e0c4ffa429382144855c8
SSDEEP

6144:Dz1xOecgEnOxUwWz1w4mcH+dZvF4lBFusBQY:31seJzWz1l+LIp

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2288-0-0x00000000008A0000-0x0000000000937000-memory.dmp	upx
behavioral2/memory/2288-1-0x00000000008A0000-0x0000000000937000-memory.dmp	upx
behavioral2/memory/2288-21-0x00000000008A0000-0x0000000000937000-memory.dmp	upx
behavioral2/memory/2288-23-0x00000000008A0000-0x0000000000937000-memory.dmp	upx
behavioral2/memory/2288-30-0x00000000008A0000-0x0000000000937000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\srrstrs3R.sys	dfrgui.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsShell5243.log	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate47.log	cmdl32.exe
File opened for modification	C:\Windows\WindowsShell5155.log	cmdl32.exe
File opened for modification	C:\Windows\WindowTerminalVaild24.log	cmdl32.exe
File opened for modification	C:\Windows\WindowMicrosoftNET211.log	cmdl32.exe
File opened for modification	C:\Windows\WindowRedSystem387.log	dfrgui.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 45 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\SystemCertificates\trust	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Policies\Microsoft\SystemCertificates\trust	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Policies\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\SystemCertificates\SmartCardRoot	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\SystemCertificates\Disallowed	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\SystemCertificates\Root	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Policies\Microsoft\SystemCertificates\Disallowed	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	svchost.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe
764	cmdl32.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe
Token: SeDebugPrivilege	764	cmdl32.exe
Token: SeIncBasePriorityPrivilege	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe
Token: SeDebugPrivilege	764	cmdl32.exe
Token: SeDebugPrivilege	764	cmdl32.exe
Token: SeDebugPrivilege	764	cmdl32.exe
Token: SeDebugPrivilege	1936	dfrgui.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 764	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	88
PID 2288 wrote to memory of 764	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	88
PID 2288 wrote to memory of 764	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	88
PID 2288 wrote to memory of 764	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	88
PID 2288 wrote to memory of 764	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	88
PID 2288 wrote to memory of 764	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	88
PID 2288 wrote to memory of 1044	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	91
PID 2288 wrote to memory of 1044	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	91
PID 2288 wrote to memory of 1044	2288	eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe	91
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 1936	764	cmdl32.exe	96
PID 764 wrote to memory of 2204	764	cmdl32.exe	66
PID 764 wrote to memory of 2204	764	cmdl32.exe	66
PID 764 wrote to memory of 2204	764	cmdl32.exe	66

C:\Users\Admin\AppData\Local\Temp\eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe
"C:\Users\Admin\AppData\Local\Temp\eef7b8bf3ddd199f5f3b864dbd01922d16cc4b754d0635689088e73f9e6c0ed3.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\cmdl32.exe
  "C:\Windows\SysWOW64\cmdl32.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:764
- - C:\Windows\SysWOW64\dfrgui.exe
    "C:\Windows\SysWOW64\dfrgui.exe"
    3⤵
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious use of AdjustPrivilegeToken
    PID:1936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EEF7B8~1.EXE > nul
  2⤵
  PID:1044

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
- Modifies data under HKEY_USERS
PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\WindowSystemNewUpdate47.log

Filesize
5KB

MD5
97d2654667f305be617e1618efa2c8a2

SHA1
cb8bd70e75e984ffab4d21a01b9b259361ca00b2

SHA256
b0f3f781fdd264f8f663e5a0692ecd18b1e36ab86cfee5dda35d00ff688544e0

SHA512
42f57a604384242885262c856de85b42930cf0322de4b9251ec95e2e6bae9b327accd2080541159307473afbb6d2602f5491bdf5695aee4738a211ca9773f5cb

Download Submit
memory/764-58-0x0000000002C70000-0x0000000002CD7000-memory.dmp

Filesize
412KB

Download
memory/764-4-0x0000000000820000-0x0000000000887000-memory.dmp

Filesize
412KB

Download
memory/764-6-0x0000000000DB0000-0x0000000000DCB000-memory.dmp

Filesize
108KB

Download
memory/764-8-0x0000000000DB0000-0x0000000000DCB000-memory.dmp

Filesize
108KB

Download
memory/764-9-0x0000000000DB0000-0x0000000000DCB000-memory.dmp

Filesize
108KB

Download
memory/764-10-0x0000000010000000-0x0000000010057000-memory.dmp

Filesize
348KB

Download
memory/764-158-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/764-140-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/764-157-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/764-40-0x0000000003710000-0x0000000003BFB000-memory.dmp

Filesize
4.9MB

Download
memory/764-49-0x0000000000E10000-0x0000000000E48000-memory.dmp

Filesize
224KB

Download
memory/764-141-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/1936-136-0x0000000000E90000-0x0000000000EB4000-memory.dmp

Filesize
144KB

Download
memory/1936-131-0x0000000010000000-0x00000000105F8000-memory.dmp

Filesize
6.0MB

Download
memory/1936-118-0x0000000010000000-0x00000000105F8000-memory.dmp

Filesize
6.0MB

Download
memory/1936-112-0x0000000000F50000-0x0000000000F6B000-memory.dmp

Filesize
108KB

Download
memory/1936-114-0x0000000000F50000-0x0000000000F6B000-memory.dmp

Filesize
108KB

Download
memory/1936-115-0x0000000000F50000-0x0000000000F6B000-memory.dmp

Filesize
108KB

Download
memory/1936-109-0x0000000000E90000-0x0000000000EB4000-memory.dmp

Filesize
144KB

Download
memory/1936-102-0x00000000008A0000-0x00000000008BF000-memory.dmp

Filesize
124KB

Download
memory/1936-133-0x0000000010000000-0x00000000105F8000-memory.dmp

Filesize
6.0MB

Download
memory/1936-135-0x0000000010000000-0x00000000105F8000-memory.dmp

Filesize
6.0MB

Download
memory/1936-107-0x0000000001010000-0x0000000001614000-memory.dmp

Filesize
6.0MB

Download
memory/1936-151-0x0000000010000000-0x00000000105F8000-memory.dmp

Filesize
6.0MB

Download
memory/1936-152-0x0000000010000000-0x00000000105F8000-memory.dmp

Filesize
6.0MB

Download
memory/1936-148-0x0000000010000000-0x00000000105F8000-memory.dmp

Filesize
6.0MB

Download
memory/2204-142-0x000002052B480000-0x000002052B4AB000-memory.dmp

Filesize
172KB

Download
memory/2204-144-0x000002052B480000-0x000002052B4AB000-memory.dmp

Filesize
172KB

Download
memory/2204-139-0x0000000000C30000-0x0000000000C55000-memory.dmp

Filesize
148KB

Download
memory/2204-159-0x000002052B480000-0x000002052B4AB000-memory.dmp

Filesize
172KB

Download
memory/2288-0-0x00000000008A0000-0x0000000000937000-memory.dmp

Filesize
604KB

Download
memory/2288-30-0x00000000008A0000-0x0000000000937000-memory.dmp

Filesize
604KB

Download
memory/2288-23-0x00000000008A0000-0x0000000000937000-memory.dmp

Filesize
604KB

Download
memory/2288-21-0x00000000008A0000-0x0000000000937000-memory.dmp

Filesize
604KB

Download
memory/2288-1-0x00000000008A0000-0x0000000000937000-memory.dmp

Filesize
604KB

Download