4d85ceddcad99429b18e7a69ffc5bd4b2632eb107c41ffebb6755639ab574cd8

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2024 15:04

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General

Target

d3ce977bb5fcadc42e8d741d9242e766.pdf
Size

89KB
MD5

d3ce977bb5fcadc42e8d741d9242e766
SHA1

a25d655bfca63ba12b9ca580c66bde2f9679bc02
SHA256

4d85ceddcad99429b18e7a69ffc5bd4b2632eb107c41ffebb6755639ab574cd8
SHA512

33cff276c507316ffb101268467030a9e6860f57dd7e45f1e1f71cb57d64f3d0aea9da0ec1509a803561a1059038209e600ef3c3d972efd0cbdd1ec2663f2c72
SSDEEP

1536:mhi8xB8mC35SFnVC4A+Grj/W9Z32DwplYMEEW6I0b5LWCpOVinX58WdIZOO:qiR35SR/A+Gv/W3lFI0b5cViJ8OC

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
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe
3904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3908	3904	AcroRd32.exe	93
PID 3904 wrote to memory of 3908	3904	AcroRd32.exe	93
PID 3904 wrote to memory of 3908	3904	AcroRd32.exe	93
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 2696	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 1000	3908	RdrCEF.exe	95

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\d3ce977bb5fcadc42e8d741d9242e766.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:3904
- 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:3908
- - 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=1CB30F045A984D9C7FAC712A14C0B254 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- - 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=EF6BF2D5187B81F7E035BCD6E3F29F94 --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=EF6BF2D5187B81F7E035BCD6E3F29F94 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1000
- - 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=C2B28D7DC72B240066FA93C1561DDCB3 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=C9716635446F5B012B3260E19C90E13D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1768
- - 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=83FFAD8668E576D96BDB8E98A40B2B44 --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=83FFAD8668E576D96BDB8E98A40B2B44 --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4476
- - 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=F4BCBF7A05E9E1145FF7BC19FD93AB6E --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4120

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
7ecd82736c3231fec160290e8452463f

SHA1
f2413a2924ee17e33106377daf2097d7f3eab62b

SHA256
bca5a0ee3d629ef88737338a2d590d0efceb6b7e23d9fd1f380e45d5c4eca779

SHA512
27fc615f68b8d1a561ccd14d47b968828f464820ddd9a9d78e46e7c94300dcf719508a7c1d97bdc38e2aaaff59442f4353990849fb73f6f1554742c82f2a4a4f

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