2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba

Analysis

max time kernel
23s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 20:04

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General

Target
2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe
Size 538KB
Sample240529-ytr67sha55
SHA256 2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba
MD5 483646523ab5bb962d62c958147b2e30
SHA1 bb7c4a49be3c49f788102c63743c7a4f2692122c
SHA512 9bc2dd0751789c23c1efa19f65b9b0620b6a369e218c060b63d30590300f8946c5b9d5227f166ded057b04180aeda5a88e93261a8e6fc86da358d4eff0efd790
SSDEEP 12288:wlbk+h1gL5pRTcAkS/3hzN8qE43fm78Vd:Wbk+w5jcAkSYqyEd
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

persistence

Malware Config

Signatures

UPX dump on OEP (original entry point) 8 IoCs

resource	yara_rule
behavioral2/memory/3408-0-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/files/0x00090000000233fa-3.dat	UPX
behavioral2/memory/4468-8-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/3408-10-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/files/0x0007000000023404-21.dat	UPX
behavioral2/memory/1804-23-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/2560-20-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/4468-24-0x0000000000400000-0x000000000041B000-memory.dmp	UPX

Executes dropped EXE 4 IoCs

pid	Process
4468	MSWDM.EXE
1804	MSWDM.EXE
3024	2D8E470786747DCAAE274468C01402626471B0D450791AB5564C47CDFA1680BA.EXE
2560	MSWDM.EXE

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe
File opened for modification	C:\Windows\dev42E5.tmp	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe
File opened for modification	C:\Windows\dev42E5.tmp	MSWDM.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1804	MSWDM.EXE
1804	MSWDM.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 4468	3408	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe	83
PID 3408 wrote to memory of 4468	3408	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe	83
PID 3408 wrote to memory of 4468	3408	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe	83
PID 3408 wrote to memory of 1804	3408	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe	84
PID 3408 wrote to memory of 1804	3408	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe	84
PID 3408 wrote to memory of 1804	3408	2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe	84
PID 1804 wrote to memory of 3024	1804	MSWDM.EXE	85
PID 1804 wrote to memory of 3024	1804	MSWDM.EXE	85
PID 1804 wrote to memory of 2560	1804	MSWDM.EXE	87
PID 1804 wrote to memory of 2560	1804	MSWDM.EXE	87
PID 1804 wrote to memory of 2560	1804	MSWDM.EXE	87

C:\Users\Admin\AppData\Local\Temp\2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe
"C:\Users\Admin\AppData\Local\Temp\2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3408
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:4468
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev42E5.tmp!C:\Users\Admin\AppData\Local\Temp\2d8e470786747dcaae274468c01402626471b0d450791ab5564c47cdfa1680ba.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Users\Admin\AppData\Local\Temp\2D8E470786747DCAAE274468C01402626471B0D450791AB5564C47CDFA1680BA.EXE
    3⤵
    - Executes dropped EXE
    PID:3024
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev42E5.tmp!C:\Users\Admin\AppData\Local\Temp\2D8E470786747DCAAE274468C01402626471B0D450791AB5564C47CDFA1680BA.EXE!
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

2D8E470786747DCAAE274468C01402626471B0D450791AB5564C47CDFA1680BA.EXE

Path C:\Users\Admin\AppData\Local\Temp\2D8E470786747DCAAE274468C01402626471B0D450791AB5564C47CDFA1680BA.EXE
Size 538KB
SHA256 9e30b395f1a32733798c41c53b3d0646ca771474633edfaf7ea0e9c9cee5d975
MD5 16c2c1ad899ed91db1e77f88820e8d2a
SHA1 131e8ee1e9c5049cd385e178b324af2439a58072
SHA512 db517d85bdca2b291dba455c9856581f2ef5a22f8f8033807a25b7f264c5b18f484ce2d6e51d26f9bad898b8d5d4e9e4a1591bfc4b6d7cdeca37ec7c984c9561
SSDEEP 12288:wlbk+h1gL5pRTcAkS/3hzN8qE43fm78VP:Wbk+w5jcAkSYqyEP
MD5 SHA1 SHA512 SSDEEP

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MSWDM.EXE

Path C:\Windows\MSWDM.EXE
Size 80KB
SHA256 966657fe798be044425b81c853a453e33c6d98b9a2060d26a7e4b460770c5080
MD5 4ab094d42560608f8a0d136b7f1dec09
SHA1 6d767dbadf7ce1283eba38cfe72f4b26c3df4b9c
SHA512 56fa8e60b391ebd7e08a774b0c82388f55967f9260f4b46ea6737ab73b8c6fef059e2be5c646cb3be75af21d58ca1ca534cb2f45eee0c49f6ed77c21bb647701
SSDEEP 1536:Hlqls0GgUyj5JxdA4Oj3W2Fsdq4FtG+sdguxnSngBNpT/mzNnxPAxEAz0+/u:HQC/yj5JO3MntG+Hu54Fx4xE82
MD5 SHA1 SHA512 SSDEEP

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dev42E5.tmp

Path C:\Windows\dev42E5.tmp
Size 458KB
SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
MD5 619f7135621b50fd1900ff24aade1524
SHA1 6c7ea8bbd435163ae3945cbef30ef6b9872a4591
SHA512 2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628
SSDEEP 6144:fz1gL5pRTMTTjMkId/BynSx7dEe6XwzRaktNP08NhKs39zo43fTtl1fayCV7+DHV:r1gL5pRTcAkS/3hzN8qE43fm78V
MD5 SHA1 SHA512 SSDEEP

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memory/1804-23-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2560-20-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3408-0-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3408-10-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4468-8-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/4468-24-0x0000000000400000-0x000000000041B000-memory.dmp

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