132d7b00cfce4b79bc11c0ff5d9d5d6d9466790a73bd4455740f8559c23f1ffa

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 19:34

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General

Target

b97e626aaf6558df99126211d8f4dab9.pdf
Size

87KB
MD5

b97e626aaf6558df99126211d8f4dab9
SHA1

dea39aae493ee5f3e049a83b476358aba6966309
SHA256

132d7b00cfce4b79bc11c0ff5d9d5d6d9466790a73bd4455740f8559c23f1ffa
SHA512

eb4a6acff4752d7c5968e54515c78d27f0c4aab7a4d37c2ab3f9d207871453805eaa85c05223817aedb69c3058ef5c22f321d82ad70680ff64a09c9af95e7cbe
SSDEEP

1536:nNth5vWtm33itXvxe6B7wR+e0tmVpYpAxXsRZGDMrkF0mDgVWxApOGzWGv5GUjmn:NtStU3wXdA+egmVpT2sArkTgy3GjGU+

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 22 IoCs

pid	Process
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 3568	4900	AcroRd32.exe	97
PID 4900 wrote to memory of 3568	4900	AcroRd32.exe	97
PID 4900 wrote to memory of 3568	4900	AcroRd32.exe	97
PID 4900 wrote to memory of 1592	4900	AcroRd32.exe	101
PID 4900 wrote to memory of 1592	4900	AcroRd32.exe	101
PID 4900 wrote to memory of 1592	4900	AcroRd32.exe	101
PID 4900 wrote to memory of 4168	4900	AcroRd32.exe	103
PID 4900 wrote to memory of 4168	4900	AcroRd32.exe	103
PID 4900 wrote to memory of 4168	4900	AcroRd32.exe	103
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 1424	4168	RdrCEF.exe	105
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	RdrCEF.exe	106
PID 4168 wrote to memory of 3120	4168	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\b97e626aaf6558df99126211d8f4dab9.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:4900
- 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:3568
- 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:1592
- 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:4168
- - 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=9DE47ADAFC6BED541DD5AB145B05BF1F --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1424
- - 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=24143418F4207827B7458AFF4B00D25B --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=24143418F4207827B7458AFF4B00D25B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3120
- - 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=4D5F217E73EF5C618723BF89653F2522 --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=4D5F217E73EF5C618723BF89653F2522 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5020
- - 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=FC3FAF1892518BC6CEEE01907B3A70AE --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2396
- - 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=87316383BF19E90EF61733A687019510 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=A72D10883748B0DBF9EDAF468C037F88 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2448

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=1408 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8
1⤵
PID:5516

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
4fc17ae0db78627cad47d73ae46424da

SHA1
72c048b4f4100de330db956092eda7ad9e16c7cd

SHA256
f87d5b691c7bb7cf6eb388ad5cc14c073f01bcc11623d05c542ba7860fdee851

SHA512
bd443646d0a7b192b9a7dfb61ea19e2d9a3b6210e8fdfff74504801b0f402578f1d745b6c95f38a515e5c8b2186012a385cf4e7536c314c021352507b5fae628

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