0d70cfcbef132209d6398e4b7a14a407a3b838305ad2117a323366cae13ea1d3

Analysis

max time kernel
145s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 17:54

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General

Target

b9500f999deba628664d8ffb6a181d1e.pdf
Size

34KB
MD5

b9500f999deba628664d8ffb6a181d1e
SHA1

74ebe437ff8d4d7fde6289b9bda98815b4688bdf
SHA256

0d70cfcbef132209d6398e4b7a14a407a3b838305ad2117a323366cae13ea1d3
SHA512

108112667b1bdeafcb87702564666e43fe32bca9c4abc1d294d57e3f8512dddaca851bfa4deeb1196867fd2188ca7589dc28b3b489ec148ecdd74184bcac29e0
SSDEEP

768:wRMQ1ck6KxJuIb0iRYWlWxkl5buUbdSqN4W46d:1Uck6UbXYNSjbh4LW46d

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4692	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe
4692	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 2624	4692	AcroRd32.exe	94
PID 4692 wrote to memory of 2624	4692	AcroRd32.exe	94
PID 4692 wrote to memory of 2624	4692	AcroRd32.exe	94
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 2308	2624	RdrCEF.exe	95
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96
PID 2624 wrote to memory of 556	2624	RdrCEF.exe	96

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\b9500f999deba628664d8ffb6a181d1e.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4692
- 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:2624
- - 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=2BC34A47740DC35B62A3D44A39DB8477 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2308
- - 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=BB2A27AAB50F2E63AA49859023FB376D --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=4 --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=BB2A27AAB50F2E63AA49859023FB376D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:556
- - 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=5DC1C77186F08978A3FBE21687AD8470 --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=4 --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=5DC1C77186F08978A3FBE21687AD8470 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3544
- - 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=800518D8DD55D714F7728087039EFB99 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516
- - 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=5012EE5A789CDBFDB9940029C9365D71 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=76215F389EA558DDB98D0995C9C2B0C3 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
2b866c8ce4902e9c0bd8032c3f975005

SHA1
9cbbeb4726e3a6c0d2da62d4c76733976dc69996

SHA256
acdff67f44e7abd8b6e85b4515d2db59349ff802af30cb9797f9c799a819dbf8

SHA512
5b9459a82effa25a732b29fd9870bdf19bb915855907ea7140a53b611322f4fefe1ed6e35464b0a39ad317cda571b2f154272dc42064054611abd54606b5a3d1

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4692-27-0x000000000A950000-0x000000000A971000-memory.dmp

Filesize
132KB

Download