cf2c99fe1acebe06a270be8b5240dad45bedaf3a190c6dbe7a416ca3cba376c1

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 04:30

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General

Target

cf2c99fe1acebe06a270be8b5240dad45bedaf3a190c6dbe7a416ca3cba376c1.pdf
Size

428KB
MD5

098b6d86dcfe72f940a1ce3817e55bd5
SHA1

df06f2e149317fa9f5c042677d970f58a546a446
SHA256

cf2c99fe1acebe06a270be8b5240dad45bedaf3a190c6dbe7a416ca3cba376c1
SHA512

0f990d38625ca7e4640479ae359596f9d105ca2fe6cfddd64fd5668b732b83b641bec779af0732d92a53c0c6254103fc5daaae79b7fa5fc85d4d88c990888d0f
SSDEEP

12288:d7W8dsEbqRg0MzkGgy+05KLsyZkDeqG9Q:YpErHDSsygezy

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-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 5084	1572	AcroRd32.exe	92
PID 1572 wrote to memory of 5084	1572	AcroRd32.exe	92
PID 1572 wrote to memory of 5084	1572	AcroRd32.exe	92
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 2456	5084	RdrCEF.exe	93
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4844	5084	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\cf2c99fe1acebe06a270be8b5240dad45bedaf3a190c6dbe7a416ca3cba376c1.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:1572
- 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:5084
- - 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=8823D1052005F7A961125B95DEB3951B --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2456
- - 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=B6CC977E26821EA146042B316E281E10 --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=B6CC977E26821EA146042B316E281E10 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4844
- - 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=0B1587A46B6D22500598D2395F55F1B2 --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=0B1587A46B6D22500598D2395F55F1B2 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1280
- - 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=A50BA0BDC71F886A72585578EB9A545F --mojo-platform-channel-handle=2216 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=69C19C23D28D630939C9EB14748971BD --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:368
- - 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=24B5CA347CA868367741784AC17ADBC2 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2360

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
aac484e5a2398e2ed0ce5229a277b3f2

SHA1
ec1231f402439e49bdc62dbe203aa7dee0f7615b

SHA256
8c3b9bb0cbe705e445de0438e0702a8e79ff2bad33b4aee1a5551c8a622b80eb

SHA512
52f72cb06084e6f101aea23b8cc8df5fbcc1441ca366495d2ca682c874109f6fcc90bf076545093440908deab385592b2f227c858b13d5070c34f77c24363f11

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/1572-28-0x000000000E1D0000-0x000000000E1F1000-memory.dmp

Filesize
132KB

Download