1e6ab65e68f32798c8d5a3925821133a98a01286765d914175834d79349549f9

Analysis

max time kernel
141s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2024 04:07

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General

Target

5c17a974f8035a034ff53a92d735551e.pdf
Size

86KB
MD5

5c17a974f8035a034ff53a92d735551e
SHA1

cf5859f8c16697b56bbf6dab5fc88c50fe92d9b0
SHA256

1e6ab65e68f32798c8d5a3925821133a98a01286765d914175834d79349549f9
SHA512

fcfc86cd93eb43e8cfe7094134eda3b1f5732e20ad1620c9b7827cc4fed319a8d0deb2f035adbcca8118d3b4bcfdc7667eb7379888eb9461d5c2e44622a79f1b
SSDEEP

1536:epA20abU54v5vLnsYVywcUIZ5y8qGIcdu9WspOL4WKj8qepXqzyhg:8A20svLnewc/G8lIcLqNepXqzp

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 3200	1640	AcroRd32.exe	91
PID 1640 wrote to memory of 3200	1640	AcroRd32.exe	91
PID 1640 wrote to memory of 3200	1640	AcroRd32.exe	91
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 2928	3200	RdrCEF.exe	92
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	RdrCEF.exe	93
PID 3200 wrote to memory of 1852	3200	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\5c17a974f8035a034ff53a92d735551e.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:1640
- 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:3200
- - 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=B421D2196658D8A27B30B8A62814E155 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928
- - 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=11B401E54BC8C315A443A3DBFBA8FB7E --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=11B401E54BC8C315A443A3DBFBA8FB7E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1852
- - 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=B6944B559089E035BBBDFF700E39D59D --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=B6944B559089E035BBBDFF700E39D59D --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4488
- - 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=4AD40C3026E3247087C324E6991D855C --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096
- - 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=6A903A73E33B644C4140B1F86D94F8DC --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4568
- - 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=7DCCDF3AC16E5892D79518134AD236F4 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2796

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4136

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
74b1eb20acb8e612ffe82c92b9f2f3a4

SHA1
e1083ab47ea829f3bc0781b91022ea288a696e18

SHA256
0381a22a024a799a45251179a34a0b737b5e7f3607eface7fbf0a085a643fab6

SHA512
d2672f4cd5896b235c49966f83fa2b039b43d3e84e5475cfd19a97d959bb273a74baac4ed4ef77a2a7238e1dc61618fef779ef19d2ad8505429483ace4913c92

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