1559f893b0bd4cf71cd57b069a9657ffb41e4f1a9845be136e15cadb1cc7bce3

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 02:36

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General

Target

53fa00dd68bbecec101994aefff485cb.pdf
Size

90KB
MD5

53fa00dd68bbecec101994aefff485cb
SHA1

e6349c47240d64cac65c4d9e5b143fb578e4a7d8
SHA256

1559f893b0bd4cf71cd57b069a9657ffb41e4f1a9845be136e15cadb1cc7bce3
SHA512

09deb3a29e78c39f7a9dfb4c686942f613cf4d97bb339c12440d60cf3dc896c093a28d1027915690f3765c05995e9f573f8812a39d154eb597426b408c8156b0
SSDEEP

1536:arsEc9ekUDAmZc1eSf0bYelr/oxdIs4rlsnJt2d91eXGhQswvlk3Gh19183nM:AhDtZCeSs8eh/WYRsnJ49oXaQsOlk30x

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 2440	3876	AcroRd32.exe	93
PID 3876 wrote to memory of 2440	3876	AcroRd32.exe	93
PID 3876 wrote to memory of 2440	3876	AcroRd32.exe	93
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 1968	2440	RdrCEF.exe	94
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 4980	2440	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\53fa00dd68bbecec101994aefff485cb.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:3876
- 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:2440
- - 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=F781E946E5B228BA2FA23F3CA1B9A060 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1968
- - 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=ADE721619D766BBEAEDB19F8218C0F16 --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=ADE721619D766BBEAEDB19F8218C0F16 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4980
- - 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=70E468DB0589A05CCC5A5D019A4B2D99 --mojo-platform-channel-handle=2196 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1860
- - 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=A9A76F6997E15DBD9D7A369D8C931338 --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=A9A76F6997E15DBD9D7A369D8C931338 --renderer-client-id=5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4688
- - 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=6D9D7E9A7904D8ACD5A0BA0631120EF8 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=F04893381601F0E045A21DED853B7565 --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1784

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
da9648c8a89a9010cde9ed9f2a97d5e1

SHA1
e7f878ceff704456322d867d152f32cc8781d1b8

SHA256
7d7c04ee3b8ed12e50c94d38dc962ab1752c5ce42ddc5000cfaa1a9aa490189c

SHA512
695e957116d9434009ae5ada20c38023b028a44ed81201777df8f4e5d208b3959bd58bc0fb193dde58300873cd3449bf44323f6682ae10e887af5a451ca8d47c

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/3876-26-0x000000000BE80000-0x000000000BED0000-memory.dmp

Filesize
320KB

Download