fdc30c5138134df17098c48099f200598882149915acb8eec457ce003928de58

Analysis

max time kernel
160s
max time network
161s
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 02:40

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General

Target

4d4bc26968b6dcc2b4977c172d9b4ab8.pdf
Size

56KB
MD5

4d4bc26968b6dcc2b4977c172d9b4ab8
SHA1

175dbb31de62fe95d9695edd636af239703f4e96
SHA256

fdc30c5138134df17098c48099f200598882149915acb8eec457ce003928de58
SHA512

36f0df2e26961708b41c86b540250a72714d808a751139a796bfa47f851ecaa3aa9c991f219583f554fc3f36a0103c4b952890175b13d7d31048b774e5b6380f
SSDEEP

1536:dDGFSza4DlYXOt681EJO9GU+vKBwEdomyW0BHSo0xpnoFP:dSFSzaO4p8AO9mSBamE0xpW

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 4864	3828	AcroRd32.exe	97
PID 3828 wrote to memory of 4864	3828	AcroRd32.exe	97
PID 3828 wrote to memory of 4864	3828	AcroRd32.exe	97
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 736	4864	RdrCEF.exe	98
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99
PID 4864 wrote to memory of 4568	4864	RdrCEF.exe	99

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\4d4bc26968b6dcc2b4977c172d9b4ab8.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:3828
- 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:4864
- - 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=9911854A7FAB41696C2399666848D36A --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:736
- - 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=CC129BC41F1A1703A77674A69702AC90 --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=CC129BC41F1A1703A77674A69702AC90 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4568
- - 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=92D3B8575224672AFB19DA3A4357154F --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=35B5C2A91A16B9CE71D667D744AD000B --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=35B5C2A91A16B9CE71D667D744AD000B --renderer-client-id=5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4120
- - 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=6B4457AF633A6DED6363A483B388C3F0 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176
- - 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=3E31D3075494C938365AF32585FBBE35 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872

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
1642e54367b544fa5cf5e2f7c00322ea

SHA1
4747d9f1afc82e0810cf017e15da3e2cc3a9de71

SHA256
e455b0e2c1afbb1fde4397d92ec16d3689e50da693f144594ddc1f7b598b45ae

SHA512
ed0ecde0e23f84122a7adace9faf9641244005ed6ba1e91b5d5845d7c638a7f1952bed56e44a583629382d88824994d12e72105dd6425c93f045a30add6e6cf7

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