3a7417e84a8cd780631f5a195dcf309933379f99e9a7190ff2cfae0fbc1ffaf7

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 12:16

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General

Target

cb62273254e62f7635f025a85f37815c.pdf
Size

42KB
MD5

cb62273254e62f7635f025a85f37815c
SHA1

064e2115db728e15154a90071ec3ec112cba8196
SHA256

3a7417e84a8cd780631f5a195dcf309933379f99e9a7190ff2cfae0fbc1ffaf7
SHA512

334fad3c9f3f2d9ba2565ea23de2238c01cb69e4e8b71645dc77f61a6ae438baaf736d60576cf60fc0f8d68a538e1bd273df8d7cc29a416bd38c32b3b07797cb
SSDEEP

768:9uxrZSBDcNqRsGCDaIWoBC0p8jE0433j7ftFF9:9wZcDcKsGCLs0p8Q0MnjF9

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
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe
220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 4760	220	AcroRd32.exe	104
PID 220 wrote to memory of 4760	220	AcroRd32.exe	104
PID 220 wrote to memory of 4760	220	AcroRd32.exe	104
PID 220 wrote to memory of 800	220	AcroRd32.exe	106
PID 220 wrote to memory of 800	220	AcroRd32.exe	106
PID 220 wrote to memory of 800	220	AcroRd32.exe	106
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 2900	4760	RdrCEF.exe	107
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108
PID 4760 wrote to memory of 4736	4760	RdrCEF.exe	108

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\cb62273254e62f7635f025a85f37815c.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:220
- 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:4760
- - 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=C09FF01B8622F0B59A0C4F2D19DC9830 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2900
- - 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=65F93CEFEDFE93F5802CF0AD008337B4 --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=65F93CEFEDFE93F5802CF0AD008337B4 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4736
- - 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=407ABB9ED898C3914D02F438D6207917 --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=407ABB9ED898C3914D02F438D6207917 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4980
- - 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=A6DA5EDD257F4164A933FAA9E4938966 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5180
- - 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=6E14C622DD735A3CE054E6DE2272A6DB --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5284
- - 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=75D571840BAAF59F659AD06879D51512 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5384
- 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:800

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4384

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=4060 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:5316

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
3df077144ee4d91ab42a67ffc63622e8

SHA1
2c72c678b0d4278ea0a2a9cd6d092abb6f9e0514

SHA256
3c1e97a786a3b917e12fe6935b1fe34523964580149792225a66eca1b6900b1d

SHA512
d6f6eb79659865a054e9d1d5e3731a580116a0a5740bce230634a78098e81ff07b1b453da10fc0db9e839ae98c973176f899cefd03ce2defc7dfa65ae403bc10

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