1cb117f632b799fa3cecd7f1b515dd7e97df625afd9567ede6e401078c4cec64

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 04:03

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General

Target

d526cfec8a0eceba210dbc7c825be19c.pdf
Size

35KB
MD5

d526cfec8a0eceba210dbc7c825be19c
SHA1

19621176401a14e6d374b86804c10b52a7667d36
SHA256

1cb117f632b799fa3cecd7f1b515dd7e97df625afd9567ede6e401078c4cec64
SHA512

a8f9d51b2acff66c99e3ce4c5e7f4e606c858661c5db179adb1a448941673e33adcff3e2a2edf07a8fa3447859e0f8536c66357cbb926277162cad6032d42d74
SSDEEP

768:89cLLMlCxQRuks5o8FZdXRqEavPi4DH7xQ2B80TGVJHZ:iIQlGyD2dB4DVQZ0TGVJ5

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 3304	1616	AcroRd32.exe	110
PID 1616 wrote to memory of 3304	1616	AcroRd32.exe	110
PID 1616 wrote to memory of 3304	1616	AcroRd32.exe	110
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 836	3304	RdrCEF.exe	112
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113
PID 3304 wrote to memory of 2584	3304	RdrCEF.exe	113

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\d526cfec8a0eceba210dbc7c825be19c.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:1616
- 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:3304
- - 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=86FA9FD81E3F8FE0D4A73E036134F245 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:836
- - 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=41CD87C49CB3A0B0711FD95C7FFBAE89 --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=41CD87C49CB3A0B0711FD95C7FFBAE89 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2584
- - 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=648B1F232D05A1A5C9CA03BA093E3C63 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1744
- - 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=A4DDC16CFFC7F9322848BAACDD5ADF0D --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=A4DDC16CFFC7F9322848BAACDD5ADF0D --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2460
- - 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=D3111A52D9F9BEA092ADC9B214B12B1C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912
- - 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=B7EE26DB2D7B9A86C57DF22ACAF1602A --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1056
- 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⤵
  PID:2548

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4124 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:2408

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
8f05fe782955164c90c1b40756a827c8

SHA1
e99452fd725905f3ce4a8ecaba85fe83a17d5d81

SHA256
a9a565c622febcd9c4f0d49b04bf6663cdf9fccaa5b1466210611f28f4f2fc4b

SHA512
d56a235c7ec6448b43b581710389fc96f156e3cd98f54320d46253c388130501a238ceef4369300d528fd22eda8ab61dbd280019c5f1de5554149eade2014da8

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