a7799f544277a91c5b54dc905de55ddf2e55a753ec07da36fec1bae9048533aa

Analysis

max time kernel
152s
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
25/03/2024, 14:20

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General

Target

de37c740055ef77202f5898814ce6e47.pdf
Size

88KB
MD5

de37c740055ef77202f5898814ce6e47
SHA1

f369bba0e5604d6efcac16113880b8311e386ded
SHA256

a7799f544277a91c5b54dc905de55ddf2e55a753ec07da36fec1bae9048533aa
SHA512

c1294ad3feccb3ab645b71a8c20c317187125ff25d326ee652c583fc715bc71860471c492e83a656000e18722615d7aea5aa503adb62d85ad4a3407f2f365946
SSDEEP

1536:geSx9ooWB9dd9I6DhlIo8FnrusydYoj1cRkyvTvxWbcQRlJgkiD59IUlujTb3wi7:eopB9dd+6vIo8FD6vxRyvzscQR7gpDvG

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
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 3540	4004	AcroRd32.exe	100
PID 4004 wrote to memory of 3540	4004	AcroRd32.exe	100
PID 4004 wrote to memory of 3540	4004	AcroRd32.exe	100
PID 4004 wrote to memory of 4024	4004	AcroRd32.exe	101
PID 4004 wrote to memory of 4024	4004	AcroRd32.exe	101
PID 4004 wrote to memory of 4024	4004	AcroRd32.exe	101
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 4412	3540	RdrCEF.exe	102
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103
PID 3540 wrote to memory of 3384	3540	RdrCEF.exe	103

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\de37c740055ef77202f5898814ce6e47.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:4004
- 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:3540
- - 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=CECF6D5910943F64428595C450EB1475 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4412
- - 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=E57784144B766E33511105610F42553C --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=E57784144B766E33511105610F42553C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=DC3B707B0093C8067FA3C7F485E97B0A --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=DC3B707B0093C8067FA3C7F485E97B0A --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3420
- - 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=8A482251AFB0EB19D70E93A6F0D83948 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316
- - 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=22485C1A49A42847CF09C0B320406E98 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2244
- - 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=E1F98D348ABC7C8D265735E5B0E792F5 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- 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:4024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1564

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=3976 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:5940

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
a350c6a0e253fd6537292b44dbe9569f

SHA1
c062ae1f042f925870433ff73e2782a9e4d6e7f8

SHA256
b7d1cbe4c7ebd144fc7a8ac38cd71a63445fb264cd34bcbfd6d76618b6c331a2

SHA512
fa3092c2db42b67305af3b660705effbd5dfc9e01f679af063c04290d3c02316637e50eb9338c597c89ad2d7431f244f555d337e915fe4f2ee5929122db480e8

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit