20b3c07cda861a1e7f2fb91f2311afe15615ce36399e192d47ed26a923dfcc7e

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 12:38

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General

Target

65637a857fb61f89298f365fba4170a2.pdf
Size

48KB
MD5

65637a857fb61f89298f365fba4170a2
SHA1

7e67078844598162ab07a93a0f9c1c974fc9a4d4
SHA256

20b3c07cda861a1e7f2fb91f2311afe15615ce36399e192d47ed26a923dfcc7e
SHA512

e2d405f1a7270864925533a024e786d45cb002753433cd87642baacf184d114335a64f9be1903154c5e172f61bc09c3dc74ef03e9e045e6a9d700a1ebc28c08b
SSDEEP

768:1bmvbjILL4yPgNVNfiT3k5GM/LoVo6RIgQgfPv4+kDZiZOC52R:1boUP4yI/UWGSLoR/Qg/4BJR

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
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1200	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe
1200	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 4460	1200	AcroRd32.exe	89
PID 1200 wrote to memory of 4460	1200	AcroRd32.exe	89
PID 1200 wrote to memory of 4460	1200	AcroRd32.exe	89
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 2812	4460	RdrCEF.exe	92
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	RdrCEF.exe	93
PID 4460 wrote to memory of 4308	4460	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\65637a857fb61f89298f365fba4170a2.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:1200
- 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:4460
- - 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=2682D6D92F087FDABCACB6CD925B18ED --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2812
- - 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=547025F3F3143EF74CA73E09030AA3D5 --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=547025F3F3143EF74CA73E09030AA3D5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4308
- - 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=3480F7040588373FF456420A3F65A373 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3348
- - 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=064E45AAB7ACB634F604CB57FFD7723D --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=064E45AAB7ACB634F604CB57FFD7723D --renderer-client-id=5 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4316
- - 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=9BCEEC72E987C6D45FD02EA9C6EEB258 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=5B09B39A232E44F238CFE41A987EBBDD --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3116

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
74d001f2f39313384974ab77c9695648

SHA1
9a52da3b97f7b394c73cda185c973d63ec5beede

SHA256
5024a13b09a4e1acda292431478ccf134201530859560d4c708d3bdfe9c3caee

SHA512
f060eea2fa3cad27c292a27ae3508e4affdc26c733bb970e56f8e34ab76e6c6e82a200c94eeb39bb9e061ca1ece8f7dbb68687b6f16a235eca08faab97b43539

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/1200-27-0x000000000A7F0000-0x000000000A811000-memory.dmp

Filesize
132KB

Download