85be07dc8795813208b71b5d34f5f737d758056f5a2ed938b2f41e18c91b572a

Analysis

max time kernel
17s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2024, 19:03

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General

Target

WHO Survey Question Preview.pdf
Size

95KB
MD5

48cc7c44b8d06305952eebfe02666462
SHA1

d9f07940745ac9a826405eb8f66c0fc46ec18bda
SHA256

85be07dc8795813208b71b5d34f5f737d758056f5a2ed938b2f41e18c91b572a
SHA512

68dd6301300213857239e35be0cfddd6c8bf26b57748b145331685401f534e54d10325c79e168a838e7c52d60891c36266f7f5484d42144a5923bbcc22282b00
SSDEEP

1536:OBwbN6/do75xobL63ZOZppOoyFnGzoSAqjlhHk/zFv9UjE2J2uJOCX:OB4n75xg0ZOZppNyFnTmliSE2rJOCX

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-1-5-21-2494989678-839960665-2515455429-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe
3380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 1464	3380	AcroRd32.exe	86
PID 3380 wrote to memory of 1464	3380	AcroRd32.exe	86
PID 3380 wrote to memory of 1464	3380	AcroRd32.exe	86
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3844	1464	RdrCEF.exe	87
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88
PID 1464 wrote to memory of 3068	1464	RdrCEF.exe	88

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\WHO Survey Question Preview.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:3380
- 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:1464
- - 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=EB8F9EE548274DBD064698AC230C0EFB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3844
- - 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=264EAF14723D38AB17F8F70711F6F141 --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=264EAF14723D38AB17F8F70711F6F141 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3068
- - 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=963339DA58DD9555C33B59C8EF0B4E82 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1868
- - 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=864D1571993104C61FB945D85D2EEFCA --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=D65EBACF4F14C84873685B238BFBEC0D --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=D65EBACF4F14C84873685B238BFBEC0D --renderer-client-id=6 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4492
- - 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=329D6DAE0516B7BD3C84F2A799C52E77 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:468

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
a3e1791f171af76fdc9e4d2968242384

SHA1
acd32443cb4fe7f6f1c00c6690dd8e2fe5a705cc

SHA256
d8af7e06f0a4530c4402f9457e1b17b73fcdae130bdd51000eac733954e38b3f

SHA512
b901ee64de4120bafd89984a5f2cf0c017995eedcb24366370dadfe0b5ed892d7f3d5cf0cca67c767f811ca31bcfa24ddf394640f028ca25c2027955f8a09e87

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