f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 18:21

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General

Target

f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe
Size

57KB
MD5

5665dc572a8d57e5fedc628400f3fe56
SHA1

2cd869177021103aebfacec9a35473e3d0ce3c80
SHA256

f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e
SHA512

a77f2d303e0dc8574705f8d4d3ec4c0cc2ae5d7826fbd05e90c09e1d8a949bd35810a533c18de71c9cb0536e0692e326297c7ef8983682fc5f05d86172b5f85b
SSDEEP

1536:m9a+osleo1o2qE/wAgrC3BwgSv3IExV8uokB+v35iNW:Uvo27IlABwgwVwTBiNW

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1816	DBS.EXE

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{21E9C5D3-EBFF-11CD-B6FD-00AA00B4E22A}	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{21E9C5D3-EBFF-11CD-B6FD-00AA00B4E22A}\StubPath = "C:\\Program Files\\DBS.EXE"	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4892-132-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/files/0x0008000000022e3e-134.dat	upx
behavioral2/files/0x0008000000022e3e-135.dat	upx
behavioral2/memory/2140-137-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/memory/2140-139-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/memory/1816-140-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/memory/2140-141-0x0000000010000000-0x000000001002B000-memory.dmp	upx
behavioral2/memory/4892-142-0x0000000010000000-0x000000001002B000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1816 set thread context of 2140	1816	DBS.EXE	81

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\DBS.EXE	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe
File created	C:\Program Files\DBS.EXE	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe
Token: SeDebugPrivilege	1816	DBS.EXE
Token: SeDebugPrivilege	2140	userinit.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1816	4892	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe	80
PID 4892 wrote to memory of 1816	4892	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe	80
PID 4892 wrote to memory of 1816	4892	f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe	80
PID 1816 wrote to memory of 2140	1816	DBS.EXE	81
PID 1816 wrote to memory of 2140	1816	DBS.EXE	81
PID 1816 wrote to memory of 2140	1816	DBS.EXE	81
PID 1816 wrote to memory of 2140	1816	DBS.EXE	81
PID 1816 wrote to memory of 2140	1816	DBS.EXE	81

C:\Users\Admin\AppData\Local\Temp\f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe
"C:\Users\Admin\AppData\Local\Temp\f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e.exe"
1⤵
- Modifies Installed Components in the registry
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Program Files\DBS.EXE
  "C:\Program Files\DBS.EXE"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Windows\SysWOW64\userinit.exe
    C:\Windows\SYSTEM32\userinit.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2140

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\DBS.EXE

Filesize
57KB

MD5
5665dc572a8d57e5fedc628400f3fe56

SHA1
2cd869177021103aebfacec9a35473e3d0ce3c80

SHA256
f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e

SHA512
a77f2d303e0dc8574705f8d4d3ec4c0cc2ae5d7826fbd05e90c09e1d8a949bd35810a533c18de71c9cb0536e0692e326297c7ef8983682fc5f05d86172b5f85b

Download Submit
C:\Program Files\DBS.EXE

Filesize
57KB

MD5
5665dc572a8d57e5fedc628400f3fe56

SHA1
2cd869177021103aebfacec9a35473e3d0ce3c80

SHA256
f9cc002841a154c62fff37c5b4962df2a85432ed6086f849fada98cbf67e5e8e

SHA512
a77f2d303e0dc8574705f8d4d3ec4c0cc2ae5d7826fbd05e90c09e1d8a949bd35810a533c18de71c9cb0536e0692e326297c7ef8983682fc5f05d86172b5f85b

Download Submit
memory/1816-140-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/2140-137-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/2140-139-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/2140-141-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/4892-132-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download
memory/4892-142-0x0000000010000000-0x000000001002B000-memory.dmp

Filesize
172KB

Download