1a652075de210fc6033d19172dc6a5851359ab4707eca1c53bdd89885365ba72

Analysis

max time kernel
145s
max time network
126s
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, 09:14

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General

Target

b86045c78dc7b5cd3c6759c571da20b8.pdf
Size

103KB
MD5

b86045c78dc7b5cd3c6759c571da20b8
SHA1

b5176ebe130e7ec11394b297cedfd4ff0e1eb6ca
SHA256

1a652075de210fc6033d19172dc6a5851359ab4707eca1c53bdd89885365ba72
SHA512

ebc2a2420903c062321068e2b9bcfd334241e7da071e7c128956c2178ae418cd6535daefe8e8536bb9109d151e726aa66ba0cf9f72a77e7a27acc8e941056c1c
SSDEEP

3072:v6N9CMCvBgUV8YdWAuLO0PyZM3F4V8vMgcSb:v6+vyA8Yd/uLIRL4

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 876	4104	AcroRd32.exe	91
PID 4104 wrote to memory of 876	4104	AcroRd32.exe	91
PID 4104 wrote to memory of 876	4104	AcroRd32.exe	91
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 1344	876	RdrCEF.exe	92
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93
PID 876 wrote to memory of 3844	876	RdrCEF.exe	93

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\b86045c78dc7b5cd3c6759c571da20b8.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:4104
- 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:876
- - 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=DF0182B7323BE0518FCD07B60C4092BB --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=1B369AA496BFFBFB48AC474D47A77279 --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=1B369AA496BFFBFB48AC474D47A77279 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    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=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=E02B7DA0A27B91DF36CDF36E168250B6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3932
- - 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=95BEB05E6C0D5611A84D7C3C6A0BA3EE --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=95BEB05E6C0D5611A84D7C3C6A0BA3EE --renderer-client-id=5 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3580
- - 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=86CAC9A4D7F9917FE2F745A8C2AB8F2C --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008
- - 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=B28714726ACDE2881AA5280C77DB495C --mojo-platform-channel-handle=2808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3400

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
d43f684e50203240c8981633c2332978

SHA1
b6691532647bd57b8662e8af0e3267f92001492b

SHA256
8ff0c710469ccffbdea650970db591783a023fef60b33c5549ab832e300124de

SHA512
4e40224cbad38ce545818aefe2c1ed8a6b3d81618dd7182e27d5c74984094da3d81d29f239c7a4ada87f347956ae4bbd5ed7bedc48c6542eaccbc76ca75cfba0

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/4104-25-0x000000000C410000-0x000000000C460000-memory.dmp

Filesize
320KB

Download