e0b4f5e09e8d0812a0ef67b52cebde636d6870a8059ae30768beaa98fc777bba

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 03:39

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General

Target

bfbf51a1fa81862dd76446cc2d1637e4.pdf
Size

84KB
MD5

bfbf51a1fa81862dd76446cc2d1637e4
SHA1

e9b06a9b85ed64f6fe4a6fd42309df0763200123
SHA256

e0b4f5e09e8d0812a0ef67b52cebde636d6870a8059ae30768beaa98fc777bba
SHA512

cbe5a66fa97ab7dd0034703601f65b681d2c72b47b919e4f61bf3d1c3702fa991a71ed59bf312ce7030f868f673b8a447f34559229aa9a1a967fea6302ef0832
SSDEEP

1536:4kq/by09P3SQxuywboRsME0R06SDRBYp/9rSmJohMWvIdTXZ9KZWspORJF1:NSu0lCQFwboRhE0R0PRBYpgmJ2eX7Kw/

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 3440	4584	AcroRd32.exe	87
PID 4584 wrote to memory of 3440	4584	AcroRd32.exe	87
PID 4584 wrote to memory of 3440	4584	AcroRd32.exe	87
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 1440	3440	RdrCEF.exe	88
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	89

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\bfbf51a1fa81862dd76446cc2d1637e4.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:4584
- 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:3440
- - 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=5047DD3218E86BBCA7EDA12F3C430C81 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1440
- - 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=8B809509E6382F1415549CB633D97AF8 --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=8B809509E6382F1415549CB633D97AF8 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2712
- - 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=92570D08B1B7554107D3DBF25A804FF0 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=FE38EFD3BFBB2E8EFEE0F9073285B77E --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=FE38EFD3BFBB2E8EFEE0F9073285B77E --renderer-client-id=5 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4880
- - 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=01EDCD76D9BAAF0F7313536BFA597FC7 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1476
- - 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=16DE797A61B4A9A1609EE2AB333D83A8 --mojo-platform-channel-handle=2828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3952

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
4c710569e6b4982b847aef197badafd3

SHA1
4bc5e7eeda725e7fc4ee0a43e6c98b9422c4eb19

SHA256
8bbe8deac60009d7161fe8e8ce21d0c91342b1cdd1ce6897652739222d093444

SHA512
b5f6522c45b614c9d64951805d1093e3a49a7328259ba9d6a7b382ed849de9b96418aa8e734d84e9399106f31896ce9574ee21adec7f9a5e82225f497d1de9c3

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/4584-26-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download
memory/4584-27-0x000000000C5C0000-0x000000000C5E1000-memory.dmp

Filesize
132KB

Download
memory/4584-124-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download
memory/4584-130-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download
memory/4584-136-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download
memory/4584-143-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download
memory/4584-150-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download
memory/4584-199-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download
memory/4584-206-0x000000000B5E0000-0x000000000B630000-memory.dmp

Filesize
320KB

Download