a53f223165c741a72728e63feaa336558c97b65fcdb907e790d9a19c1097f73d

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 07:07

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General

Target

11c20bd240eb65f302d68f1ebea3390b.pdf
Size

102KB
MD5

11c20bd240eb65f302d68f1ebea3390b
SHA1

38b3c5abb0bd9c9ddd41b97e4856da8311ac6120
SHA256

a53f223165c741a72728e63feaa336558c97b65fcdb907e790d9a19c1097f73d
SHA512

63d0149c00d0c73bcbd25a48f3cd08fdb6d7c5ceca9b6616833daa822ba355cb60f0a69aaca024b017e45cbfe39afce0b662d4e3e1638fe476fc6ec5e5e2a66a
SSDEEP

1536:97vF0EomqAE4XUR2VzUGmTu8so6IV3/Ogmmw0yE6oWixfqAtjyceSLWQpOCfUbbL:PNDCEHmyzMOgm3odj8S2CS

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3516	2944	AcroRd32.exe	91
PID 2944 wrote to memory of 3516	2944	AcroRd32.exe	91
PID 2944 wrote to memory of 3516	2944	AcroRd32.exe	91
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 4236	3516	RdrCEF.exe	92
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	RdrCEF.exe	93
PID 3516 wrote to memory of 744	3516	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\11c20bd240eb65f302d68f1ebea3390b.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:2944
- 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:3516
- - 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=D9C48E0F5275B7101316DDC8A4A0CBC5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4236
- - 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=A0FD801E70B96C423F291A6AD4A2AB69 --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=A0FD801E70B96C423F291A6AD4A2AB69 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:744
- - 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=14A1743719B3A0BC70D45E7F4A4C978B --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=14A1743719B3A0BC70D45E7F4A4C978B --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1124
- - 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=6A8276460E08170884FC0604B69804EA --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1608
- - 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=B99CB0E621E8792A52B05FA489CC369D --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2304
- - 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=B80A5D5CB67C3A5233DD7E10941CD908 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:224

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
e2eea60ea26637beef5c45163d6819d9

SHA1
689bb5deed70752c052ed02e47aa2665901c11f2

SHA256
c58376b445db8e07b3e08f94c0b82f57cf1744a5cf3096904fb23f88850dd10b

SHA512
8ae81b2261732797e33fa2edd1171db0f029dc1040a414ccf8f3ceb00084fa6d7e26e4fed5dc096cabbe5d059a0e95d56414af3bdb997315ce3021621504a1b3

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