f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2

Analysis

max time kernel
136s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 19:34

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General

Target

f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe
Size

56KB
MD5

046b5e6c083d2a4307ad90b0e0036271
SHA1

799de52865527fca4edadd6d2df2f84ddab54bad
SHA256

f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2
SHA512

99b28c2d7836c8af973005fb720323448d0830875e24464f2ee925e06be545b81133bace061ce7725c6743f2e203e3e3ebade6bbcada98442a42d7cc5e8a679c
SSDEEP

1536:89a+osleo1o2qE/wAgrC3BwgSv3IExV8uokB+vHUTq:evo27IlABwgwVwT/0q

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1656	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}	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{21E9C5D3-EBFF-11CD-B6FD-00AA00B4E22A}\StubPath = "C:\\Program Files\\DBS.EXE"	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4340-132-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/files/0x000a000000022ddf-134.dat	upx
behavioral2/files/0x000a000000022ddf-135.dat	upx
behavioral2/memory/1656-136-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/memory/4688-138-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/memory/4688-140-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/memory/4688-142-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/memory/1656-141-0x0000000010000000-0x000000001002A000-memory.dmp	upx
behavioral2/memory/4340-143-0x0000000010000000-0x000000001002A000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 4688	1656	DBS.EXE	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\DBS.EXE	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe
File opened for modification	C:\Program Files\DBS.EXE	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4340	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe
Token: SeDebugPrivilege	1656	DBS.EXE
Token: SeDebugPrivilege	4688	userinit.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 1656	4340	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe	80
PID 4340 wrote to memory of 1656	4340	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe	80
PID 4340 wrote to memory of 1656	4340	f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe	80
PID 1656 wrote to memory of 4688	1656	DBS.EXE	83
PID 1656 wrote to memory of 4688	1656	DBS.EXE	83
PID 1656 wrote to memory of 4688	1656	DBS.EXE	83
PID 1656 wrote to memory of 4688	1656	DBS.EXE	83
PID 1656 wrote to memory of 4688	1656	DBS.EXE	83

C:\Users\Admin\AppData\Local\Temp\f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe
"C:\Users\Admin\AppData\Local\Temp\f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2.exe"
1⤵
- Modifies Installed Components in the registry
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4340
- 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:1656
- - C:\Windows\SysWOW64\userinit.exe
    C:\Windows\SYSTEM32\userinit.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4688

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
56KB

MD5
046b5e6c083d2a4307ad90b0e0036271

SHA1
799de52865527fca4edadd6d2df2f84ddab54bad

SHA256
f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2

SHA512
99b28c2d7836c8af973005fb720323448d0830875e24464f2ee925e06be545b81133bace061ce7725c6743f2e203e3e3ebade6bbcada98442a42d7cc5e8a679c

Download Submit
C:\Program Files\DBS.EXE

Filesize
56KB

MD5
046b5e6c083d2a4307ad90b0e0036271

SHA1
799de52865527fca4edadd6d2df2f84ddab54bad

SHA256
f61e93ab0d30b1f0fff07242ef8d8baf4d7192dafc9f3bc32650ed7594668ba2

SHA512
99b28c2d7836c8af973005fb720323448d0830875e24464f2ee925e06be545b81133bace061ce7725c6743f2e203e3e3ebade6bbcada98442a42d7cc5e8a679c

Download Submit
memory/1656-136-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/1656-141-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/4340-132-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/4340-143-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/4688-138-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/4688-140-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/4688-142-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download