5faf7517e6b132ac72a5cd14ec81be1786674371cef447e2065713b3fee6b595

Analysis

max time kernel
143s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 11:46

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General

Target

749f541a7dba8cdf286acd42b983f220.pdf
Size

49KB
MD5

749f541a7dba8cdf286acd42b983f220
SHA1

5901982f2906353b65e749b9cdd71195ddbe0695
SHA256

5faf7517e6b132ac72a5cd14ec81be1786674371cef447e2065713b3fee6b595
SHA512

8e6426a19d3ddc3a9f02d0c2eabe90ce348c86cb066ab89b7fc0bdabf6f2026c6cb03a0d6f2e9ba7ddb7106a63efa98c8f024a770474c26192a2263f5ddab076
SSDEEP

768:vzeiDBwpYHQoyfikgj5Boy4SQcZwWompPjB8t5FDJw4ayAe3Rl:vNBBwo7jYSQ+no8PjB8jJJw4ak3Rl

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 404	4888	AcroRd32.exe	92
PID 4888 wrote to memory of 404	4888	AcroRd32.exe	92
PID 4888 wrote to memory of 404	4888	AcroRd32.exe	92
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 756	404	RdrCEF.exe	93
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94
PID 404 wrote to memory of 4924	404	RdrCEF.exe	94

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\749f541a7dba8cdf286acd42b983f220.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:4888
- 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:404
- - 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=39C89B01F3010808A524E2DBA70E7909 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:756
- - 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=02FE9DBD86EA6FB6D6F15D9AE32E41E1 --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=02FE9DBD86EA6FB6D6F15D9AE32E41E1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4924
- - 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=1C4B8D4E14A035FBDD3D6D7971F5D61F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=145B58E025465D346BE17663E25B4CAA --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360
- - 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=FE6E28514332CD8320574F17285ED28B --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=FE6E28514332CD8320574F17285ED28B --renderer-client-id=6 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4956
- - 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=4844C8167EB3272741F2213DF6F14C81 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1864

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

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Downloads

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

Filesize
64KB

MD5
fa54f7139a44f4d16d3b3175c995f517

SHA1
94a24965059ba25e4106cde8dd5b8e51d2f91d69

SHA256
d05ca0a92c87ccc24c3f1a9f6c655f6194996e120fda03958af9dea33a4c9681

SHA512
2f07c9b5bd474377b49d8b893637a7696d10d44ea575df7bc342b67ed49e9cd7f778adf6d6c45f6feaa48e99a766470d8f324075314071e3d8f7d4933f61ce60

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