1f9601f073e623b60bc706d2d2acaf841ae2f19fc66108f089dc4c5cbd0a48da

Analysis

max time kernel
143s
max time network
154s
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 03:25

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General

Target

5a84271d210b0eca751320cb3dd8fb42.pdf
Size

83KB
MD5

5a84271d210b0eca751320cb3dd8fb42
SHA1

d1a6d0813a325ff44c6b2b787284ce3f63440a00
SHA256

1f9601f073e623b60bc706d2d2acaf841ae2f19fc66108f089dc4c5cbd0a48da
SHA512

4e1aeaae6e0b3964c27b017ff35cc237da7ed7f1955d819ccae5c070ebadcc517f969056ab446ca327befc18ebaab18cc9324320cca64563a49ba389e165afd4
SSDEEP

1536:juMCIFpG+zm8q32t722/zEkfl8V5tsaZbgWyeRBtiWUgw:nc+zNqmv4i8nts0bgWyebwWw

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 4160	4680	AcroRd32.exe	91
PID 4680 wrote to memory of 4160	4680	AcroRd32.exe	91
PID 4680 wrote to memory of 4160	4680	AcroRd32.exe	91
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 452	4160	RdrCEF.exe	92
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	RdrCEF.exe	93
PID 4160 wrote to memory of 512	4160	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\5a84271d210b0eca751320cb3dd8fb42.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:4680
- 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:4160
- - 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=8F716D284E40D1F2A15B1E75322C5599 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=122192554B6F742B3E5D160327053349 --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=122192554B6F742B3E5D160327053349 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:512
- - 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=C0A648F902B509999308A2AA01A8C2E4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3156
- - 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=56C3F2AF78A161FADC2CEE43C805F8C0 --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=56C3F2AF78A161FADC2CEE43C805F8C0 --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=83950E399FED4F9FD9C71AA52F1D700E --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=486E11CED20BC2BB79670105600BAB62 --mojo-platform-channel-handle=2196 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3584

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
54KB

MD5
f20d4e25acf42046ea064434fc8af2e6

SHA1
d0940e92199df98803eb81917bf970c18ca83d84

SHA256
e6f80195c05f6922d6a8fb47451c33d6e9fb298cc34e2c6b23fe77dda9357b0a

SHA512
8b2f4f02ed5e3789c4b7e3d40ac171f57e73b2c5ec8c98bdff68a5acb95aa5ac726cefdb043553cc7e78e7fff0ae2ec9ad8721060920c6552bdc307987e737f3

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