512eb8fb7229619723449e8810b7c8de55e9e57782fbb778429ac6407e59ad18

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 15:17

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General

Target

56cf534488b8afbac92eea301ef9a34a.pdf
Size

85KB
MD5

56cf534488b8afbac92eea301ef9a34a
SHA1

9aee797873e4d9e25b07dc8e00b692bd5532eb0c
SHA256

512eb8fb7229619723449e8810b7c8de55e9e57782fbb778429ac6407e59ad18
SHA512

d9cbf50b749f8fb120058f5bdac4d916aa9244116906b671dcf22c1980e2461bab38ac28ebf8e89f0685c0f11735cd5d2dbc225fc10e237717c7c9494925d21d
SSDEEP

1536:k0THbxQDpSSQK4RJ4MZCDoZC0epfaTKg3+/O3Vr5WcpOysjsX+Wxc4r2OvKER1b:77xWSSQNTdZT2faT5kSZAysqr9jKEj

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 4028	1716	AcroRd32.exe	92
PID 1716 wrote to memory of 4028	1716	AcroRd32.exe	92
PID 1716 wrote to memory of 4028	1716	AcroRd32.exe	92
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 472	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4264	4028	RdrCEF.exe	94

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\56cf534488b8afbac92eea301ef9a34a.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:1716
- 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:4028
- - 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=E4F8455FC7D1723D1DB949EDA2CF1FBA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:472
- - 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=7D050FBDF52EE044F3BEEBEDA91D6ABA --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=7D050FBDF52EE044F3BEEBEDA91D6ABA --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4264
- - 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=481F88CA88FE9F8617BB29A416D08FE4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:728
- - 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=F66F52A7A36F657E767502DEE66D4E48 --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=F66F52A7A36F657E767502DEE66D4E48 --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5112
- - 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=5D5E5FF33316FC8C4F8359C5C9615F10 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - 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=D3CE4D50AD47AF1B3D092E5B80C5F6B8 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2476

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2656

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
1d3397c39b6d0b1999b02aeea40d1e6a

SHA1
c1f879d15db1cc80350dd42cb8884a489ccfd132

SHA256
c0ed04a114d1d8fee6c4c2a268e7095b81c71f1bb7a361ea0820589e46ba9754

SHA512
8c0b704d24625bde55c9c6a9f7831cb0bfdb56c1b31336972b130a030f0ca039a3d09dd71fe46d3acc9027f55470f96a1115944cb59767a5be40a8dee33d5197

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/1716-26-0x000000000B8F0000-0x000000000B940000-memory.dmp

Filesize
320KB

Download
memory/1716-28-0x000000000B8F0000-0x000000000B911000-memory.dmp

Filesize
132KB

Download