f7b702dc27998682311eb68e259bbc723a4f07401453a1c70ab243bf94de03fc

Analysis

max time kernel
173s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 15:49

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General

Target

e19fe5cb2449e1dce5fd2098a4305ed9.pdf
Size

33KB
MD5

e19fe5cb2449e1dce5fd2098a4305ed9
SHA1

14606e43cfd4a6b161e807a91bb33e04cfe420bf
SHA256

f7b702dc27998682311eb68e259bbc723a4f07401453a1c70ab243bf94de03fc
SHA512

825183b716bd6d610f23cf9f402564368067e3dc9df7982283c72694d010bc27035df5a957c5a0f332bbc00602c82ee733d07bba8781f86009170538c61f6185
SSDEEP

384:1PXX/KJvfzNfYT7slmjs3YYkp7LalKbNFdWjyQTJcmBYCUShKorZXJhQchCUSK:NfK95Cs4QSh4hJrCGKKZHQon

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 5092	3260	AcroRd32.exe	91
PID 3260 wrote to memory of 5092	3260	AcroRd32.exe	91
PID 3260 wrote to memory of 5092	3260	AcroRd32.exe	91
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 4040	5092	RdrCEF.exe	92
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93
PID 5092 wrote to memory of 3008	5092	RdrCEF.exe	93

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\e19fe5cb2449e1dce5fd2098a4305ed9.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:3260
- 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:5092
- - 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=066AF312CDF7FF1DB4327978A10DD444 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=ACC6D25AF11DC97CA34D6C25E5215531 --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=ACC6D25AF11DC97CA34D6C25E5215531 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3008
- - 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=64F3A5F91C368314076449A9B13E84D4 --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=64F3A5F91C368314076449A9B13E84D4 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4184
- - 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=53C814BEBE862585042EB424941F770C --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004
- - 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=D55AB91F4786E646263B45F45F2E314F --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2660
- - 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=0D45738983F1B9B190A13DCAFDC6922C --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3712

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
a31c8061546c5027398a014da010d6c7

SHA1
717030a4c277c8b6c4556745f6509d6904bfc18c

SHA256
1d1fa31b6718bd25badd80eb55b0844072a8995a5c8c70861c648871a4298fe0

SHA512
71d4037116c8967b19632e02211cbcda77ab3cb137d2c487b37ae3d12c79a0cbdc8a82a1859960c86a157d8824de1224cb7a4ad93c2e1ae55b4ace2242b9db78

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