5c8a941fa7e38fb07efd8fa3088252a782e0ca0ac19b3af04a201e9575d0f288

Analysis

max time kernel
144s
max time network
146s
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, 14:42

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General

Target

de419b812351da68acb86137cc418c98.pdf
Size

84KB
MD5

de419b812351da68acb86137cc418c98
SHA1

a59d26d9cce304c0f832ef27c6e446e9dba8f6e2
SHA256

5c8a941fa7e38fb07efd8fa3088252a782e0ca0ac19b3af04a201e9575d0f288
SHA512

0cd0dc3128cdc540c9ebf93d4ddfa4abc2f23ed7ec1a48dda3f6be986d5d0032923e90fb77d6c8d3b8d58aaac1f9af6c3e44ec4994723f64088c831fe9f180d8
SSDEEP

1536:a1nDBKbscLJ98zol/eQe/CsMhUD10ibSytKtWGpOKCWsJ8Mm64a9PILkyfxpLt5:6nDBKbCsl/eQe/C7g1vbSy4iKDMf4kA7

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
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 2060	1376	AcroRd32.exe	99
PID 1376 wrote to memory of 2060	1376	AcroRd32.exe	99
PID 1376 wrote to memory of 2060	1376	AcroRd32.exe	99
PID 1376 wrote to memory of 2288	1376	AcroRd32.exe	103
PID 1376 wrote to memory of 2288	1376	AcroRd32.exe	103
PID 1376 wrote to memory of 2288	1376	AcroRd32.exe	103
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1420	2060	RdrCEF.exe	105
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106
PID 2060 wrote to memory of 1920	2060	RdrCEF.exe	106

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\de419b812351da68acb86137cc418c98.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:1376
- 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:2060
- - 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=32BFA3EB977CBD16F58087CBFEB4FCE2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1420
- - 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=6BE26A190705DE7F9BE2A29BBFB348D3 --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=6BE26A190705DE7F9BE2A29BBFB348D3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1920
- - 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=313A863F27436528E40C5F40034586ED --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=313A863F27436528E40C5F40034586ED --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1848
- - 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=180DFFF0C9AC0EEDE1A3D8C2126F89FD --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=287257DFB070B1A7CA7A5FFA96267212 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2256
- - 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=B569904DCAB147284A3FF35E26D962BA --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- 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:2288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2344

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=3644 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:5988

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

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Downloads

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

Filesize
64KB

MD5
a0079d90bcd93155ae36b3906e60771d

SHA1
d96788b065d1a07f371eca28b9a506dae6180539

SHA256
4be4ba77545b023f6c936d55786b22f77f988d11a6ac47b2db22875ee45de530

SHA512
20a9937c4c215b7024987492f680514e757c05bfb6ab37991b4d39ab43b1b18df748579fa35f91f76ae324772a2d5a658316230609fafcbe266145cc8f08e384

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