7d29c86908b891ba48bca2041b88b65678ce4ce34f1571ec795515b8a1711fa1

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 05:02

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General

Target

c50ab2caacddcfeebc79cb67b46d389f.pdf
Size

12KB
MD5

c50ab2caacddcfeebc79cb67b46d389f
SHA1

2d168e1ff9edb4cb4b3abe007764306db471c950
SHA256

7d29c86908b891ba48bca2041b88b65678ce4ce34f1571ec795515b8a1711fa1
SHA512

505874fcb96affc971a56db301bb25e16eea4b45f9ae7aee346a7e8a51e3612bfca004d3441630be29ef597cb3d5047f21ccec90f625560272658248496b828e
SSDEEP

192:nQhzajYqwAO9G+/vvTs7hXbfym4GJVbBftJy/suiXkvQNi/60un/T+xsSHzY:QhzaNwAO9GiM5fdtttmQi/60G7+28s

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2384	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 4052	2384	AcroRd32.exe	98
PID 2384 wrote to memory of 4052	2384	AcroRd32.exe	98
PID 2384 wrote to memory of 4052	2384	AcroRd32.exe	98
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 1992	4052	RdrCEF.exe	102
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	RdrCEF.exe	103
PID 4052 wrote to memory of 4792	4052	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\c50ab2caacddcfeebc79cb67b46d389f.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:2384
- 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:4052
- - 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=D6CBC99212643DB3EA19E75E186464D5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992
- - 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=9632764F8E3983312CFECF9550CF11E5 --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=9632764F8E3983312CFECF9550CF11E5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4792
- - 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=50C27B4835D17DC123B1D992E43D336C --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=50C27B4835D17DC123B1D992E43D336C --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4860
- - 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=00AA856F36EA0B9D95A43A9DEC71DA4A --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - 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=635303E3FAFC113D1BDBC0EF7DF501EB --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=F5D86AC6CE9008978E0B9E2F9B401DB6 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:400

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=3848 --field-trial-handle=2256,i,6057863739127169200,6895476048812676039,262144 --variations-seed-version /prefetch:8
1⤵
PID:640

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
362488358a00af68795bfad981077099

SHA1
527b2708c46174d240bf4e0346409fca0fe60768

SHA256
1e0b12f421ca8493349125c507ae951715296d1bbac61e6a1de6a9dc8139fe7d

SHA512
83936a2545c8cec1b77a57c9c171d1765d165a87f1231db9801a90e761ec910c160e3313d652e331d3361d3b0d11a3ffcf92980220f98877b318acde586a5bfa

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
memory/2384-35-0x000000000A880000-0x000000000A8A1000-memory.dmp

Filesize
132KB

Download