c747774e5f981f516cecd44dee9ac4690c27d035b63d4dd1437c029c721b61ef

Analysis

max time kernel
153s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 19:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c97b5563a8ac69d9eb80d9ef22f2c45e.pdf
Size

73KB
MD5

c97b5563a8ac69d9eb80d9ef22f2c45e
SHA1

f5c5ea56979d5fa03bfc17749e7e0c32aa48eb40
SHA256

c747774e5f981f516cecd44dee9ac4690c27d035b63d4dd1437c029c721b61ef
SHA512

5f16f93d73446815324f3b0822c9ce51d2ec6e4686224f43ef798ebd78855aa94720d5744a463870755bbf1355a2a59584924ae77096114da00b2ea7e6e6f649
SSDEEP

1536:B16Jrvy4dZcdRvsvWBjLn8anrvxf8SBrTfSGlhv0WspOuGWrFQ0Ln5sMYuOZDhKn:6Jr6CE2e7xflBfvlhvPug0x0ZDhKn

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
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4072	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe
4072	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 4436	4072	AcroRd32.exe	104
PID 4072 wrote to memory of 4436	4072	AcroRd32.exe	104
PID 4072 wrote to memory of 4436	4072	AcroRd32.exe	104
PID 4072 wrote to memory of 2316	4072	AcroRd32.exe	106
PID 4072 wrote to memory of 2316	4072	AcroRd32.exe	106
PID 4072 wrote to memory of 2316	4072	AcroRd32.exe	106
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 3468	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 1252	4436	RdrCEF.exe	109

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\c97b5563a8ac69d9eb80d9ef22f2c45e.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:4072
- 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:4436
- - 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=F5B749343270BD1DEEB0BA314B58C0C5 --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=F5B749343270BD1DEEB0BA314B58C0C5 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3468
- - 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=F776608B860604D485975FEF272EB153 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1252
- - 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=D0196127A6B2F6EFD5E0C01AEDE704B0 --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=D0196127A6B2F6EFD5E0C01AEDE704B0 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2616
- - 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=6E46F58CBF768728B45517192820C770 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:844
- - 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=4E9F81D41FA9776E2F985D8315F5F04E --mojo-platform-channel-handle=2060 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- - 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=EED780EB486EADB75852610AAFC634ED --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2316
- 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:2316

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=4064 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:5956

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
ea4ea0edfd63a831f81048cd19f7a71f

SHA1
0b36cc76481725aa92e7409e4edbbf96dd0d1bbf

SHA256
059a6bb7202ee726419db6cdeb6980c7cad0d55eb36597e5b5844aa03b985a40

SHA512
c58ddfe90e70bf21926dd5613635d6969aab95d4c7de8dae5b0fde75de8d78226465097da1e55b83c0f0bbc9d8fad507ac416b8a283f8b36166575ed5ba13a37

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