2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1

General

Target
2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe
Size 538KB
Sample240606-zhst2ach38
SHA256 2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1
MD5 a18c6319c4f67bd331a2eba61903f165
SHA1 df9a4a01237ef4dab334819c714fd5d6b2275567
SHA512 dd38d03c02d6498ce135010ac5f554d6d8b7d65aa1a5aedc83bf1ab45e5cd48f3f96743b3262c219a20c64a0ba2dc3dbd7385b74b2563e5efffdc5c8519ae0bb
SSDEEP 12288:wlbC+h1gL5pRTcAkS/3hzN8qE43fm78Vl:WbC+w5jcAkSYqyEl
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral2/memory/2432-0-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/files/0x000b000000023224-3.dat	UPX
behavioral2/memory/2432-8-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/files/0x000700000002324b-17.dat	UPX
behavioral2/memory/2916-22-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/2496-19-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/3368-23-0x0000000000400000-0x000000000041B000-memory.dmp	UPX

Executes dropped EXE 4 IoCs

pid	Process
3368	MSWDM.EXE
2916	MSWDM.EXE
1672	2D999916A0FC6039B4204B14A094BDF26331789769FB26A832C586121F43ADE1.EXE
2496	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\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\devF09A.tmp	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe
File opened for modification	C:\Windows\devF09A.tmp	MSWDM.EXE
File created	C:\WINDOWS\MSWDM.EXE	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2916	MSWDM.EXE
2916	MSWDM.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3368	2432	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe	91
PID 2432 wrote to memory of 3368	2432	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe	91
PID 2432 wrote to memory of 3368	2432	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe	91
PID 2432 wrote to memory of 2916	2432	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe	92
PID 2432 wrote to memory of 2916	2432	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe	92
PID 2432 wrote to memory of 2916	2432	2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe	92
PID 2916 wrote to memory of 1672	2916	MSWDM.EXE	93
PID 2916 wrote to memory of 1672	2916	MSWDM.EXE	93
PID 2916 wrote to memory of 2496	2916	MSWDM.EXE	95
PID 2916 wrote to memory of 2496	2916	MSWDM.EXE	95
PID 2916 wrote to memory of 2496	2916	MSWDM.EXE	95

C:\Users\Admin\AppData\Local\Temp\2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe
"C:\Users\Admin\AppData\Local\Temp\2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2432
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:3368
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\devF09A.tmp!C:\Users\Admin\AppData\Local\Temp\2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Users\Admin\AppData\Local\Temp\2D999916A0FC6039B4204B14A094BDF26331789769FB26A832C586121F43ADE1.EXE
    3⤵
    - Executes dropped EXE
    PID:1672
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\devF09A.tmp!C:\Users\Admin\AppData\Local\Temp\2D999916A0FC6039B4204B14A094BDF26331789769FB26A832C586121F43ADE1.EXE!
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:2496

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4456 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:5044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe

Path C:\Users\Admin\AppData\Local\Temp\2d999916a0fc6039b4204b14a094bdf26331789769fb26a832c586121f43ade1.exe
Size 538KB
SHA256 4b9922cae26aa7870282469de32b26ef5f09fe78b7d50860caef3dc76c321352
MD5 9afa631234e49e55d5774c888cebd2ef
SHA1 334266774f2ea394d031a6eb9c8a2a3100098c3b
SHA512 3f808bfd30635dbc4deb22920e6fa699e010def81b84465c442a7121f8664c9f5944ef7accda9f9276a1e0400e3a64417f05ea754f34e977802c62deab2a88e3
SSDEEP 12288:wlbC+h1gL5pRTcAkS/3hzN8qE43fm78VB:WbC+w5jcAkSYqyEB
MD5 SHA1 SHA512 SSDEEP

Submit Download

MSWDM.EXE

Path C:\Windows\MSWDM.EXE
Size 80KB
SHA256 38137371838a2b2704b823ed0fb8d6bb1d9cca9fc7da334535942ab1d489eb09
MD5 dd68dc1f2acb8d56535514be222da2e9
SHA1 f8b48112bb5bff4d77e705ce05aa0f2dcb80c904
SHA512 2ebe2ea143735b014f5fced08a95a3e64a6c54a293a818a0d39555a31ea8d940b28ce9a6937f3d4d6cd449b849d5a1e8a645603c2571260bd6996bdb050bcb8a
SSDEEP 1536:Hlqls0GgUyj5JxdA4Oj3W2Fsdq4F7G+sdguxnSngBNpT/mzNnxPAxEAz0+/u:HQC/yj5JO3Mn7G+Hu54Fx4xE82
MD5 SHA1 SHA512 SSDEEP

Submit Download

devF09A.tmp

Path C:\Windows\devF09A.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/2432-0-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2432-8-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2496-19-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/2916-22-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3368-23-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads