0afc1c153260cd9b5b712e196796959250180d4094079c1e58fb762a4125341a

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 10:21

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General

Target

66d8b4880a253c72b10aefd08ddf2d17.pdf
Size

80KB
MD5

66d8b4880a253c72b10aefd08ddf2d17
SHA1

d36dc6c9b6afb33ba8d53f03e13bf13011e4ad05
SHA256

0afc1c153260cd9b5b712e196796959250180d4094079c1e58fb762a4125341a
SHA512

7ec7c35112d3b5a120f7d20aad12bd7ecfae92bfadf528b660e11af4b226d1303b15ce407a6e9379cd8226bf2e06a4f54eac1a482e278144407906093ad4d5aa
SSDEEP

1536:2SrfqYH30b3frS5D9efh0/dIgLSDPheM7kWs7VfjbWOpOwryIqB61Sv6d7:vHyfpQLSDPPSb4wryASQ

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 4868	4444	AcroRd32.exe	91
PID 4444 wrote to memory of 4868	4444	AcroRd32.exe	91
PID 4444 wrote to memory of 4868	4444	AcroRd32.exe	91
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 1308	4868	RdrCEF.exe	93
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92
PID 4868 wrote to memory of 448	4868	RdrCEF.exe	92

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\66d8b4880a253c72b10aefd08ddf2d17.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:4444
- 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:4868
- - 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=2DDA81BF322145FB57030EF0D85E201C --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=2DDA81BF322145FB57030EF0D85E201C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:448
- - 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=49142929DA3424B879E8E327AD2EB9BA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1308
- - 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=6AC641DD26EFDE71B2B47EA4E108147F --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=6AC641DD26EFDE71B2B47EA4E108147F --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    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=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=2980CA0EE4D63562DBC91AB87668E16B --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504
- - 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=52CAD295F8322AD85F40D618D9189452 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4348
- - 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=B5C5C799D99E3D7E8AA3B32A55B916D3 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1168

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3812

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
00945cabe91f9717b56bcd18d6ff467e

SHA1
ad006ecded0191b9247d2af2ce6bedbd0dc264b2

SHA256
e790705e8322a83dc3e273469998276eda7f4a4c86dfcb5e65a044954fa5ebcd

SHA512
0ef5f5fd2b303d1ec744e83153a8306e8f1ab61751283e89f55782ac7b2fd294b75bfacb7aedc0192c356279864bb68c063aecabf113b0c5aa1ddbb103e917a4

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/4444-28-0x000000000B920000-0x000000000B941000-memory.dmp

Filesize
132KB

Download