1df46f947a1bfab620d36318274e1d3ed79299f81249491c7ac49489a0a9b4ed

Resubmissions

29/03/2023, 07:57

230329-jtqaaaha41 1

27/03/2023, 12:28

230327-pndxysfd9w 1

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2023, 07:57

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General

Target

CNTHWY1.pdf
Size

32KB
MD5

97724736c7f7dccddef00bcdf0a5a391
SHA1

7f15667e8578ff8f83996e9230fca0c8eb5ee890
SHA256

242c2c65cd257419fbf275164496ae24c7a7534fe7c33216ba992f9d18954963
SHA512

98f22ad7f632e7873112b06fa2403f31da9a2028b017dd67b19c66c71d539994165f1f5e280901e5a600576391728c95c23dbd745950e2ef5159ec3897bf5fbb
SSDEEP

3:N/9:X

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 1100	5036	AcroRd32.exe	86
PID 5036 wrote to memory of 1100	5036	AcroRd32.exe	86
PID 5036 wrote to memory of 1100	5036	AcroRd32.exe	86
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 2616	1100	RdrCEF.exe	88
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89
PID 1100 wrote to memory of 3028	1100	RdrCEF.exe	89

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\CNTHWY1.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1100
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=AF43A4519317B73C6EB2ED603E9FDD82 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2616
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=0104894F9416CAB3B378A80945E4FACD --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=0104894F9416CAB3B378A80945E4FACD --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3028
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F441A2CCBF6D130AA0F936A649040B9D --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:948
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6A7E14A70FDA6E054CB99C2BA2AB3F5C --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:408
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=FBE695B91379DC0EB2F0FA27FF364508 --mojo-platform-channel-handle=2244 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
349979857f196fe4f08a06a9557685cb

SHA1
6a16742fa141a771fdb237afe6cd4f6cb53a2327

SHA256
b3235b7a9b06da2b14e745aa18f7b0f1343aaf580d1f3695635d060d7e951e35

SHA512
30d5e854c5f0351d3d3c307d23028acfbed0f06a6daf992cac6c0f58fb890c14d73f255ff70e06c7fea8845c9acdf5f7778790072b74a3975dded0a249123beb

Download Submit