bc0714a73590945af898a04dcbdb2969570a09d4c912e6cb6d9633146e97c8a2

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 02:58

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General

Target

738e7034b6cf14825549b11781373283.pdf
Size

33KB
MD5

738e7034b6cf14825549b11781373283
SHA1

096d9d31f512df749135bdd1b17142c18799a590
SHA256

bc0714a73590945af898a04dcbdb2969570a09d4c912e6cb6d9633146e97c8a2
SHA512

d6a3eca92cd835bb07b268c4329f6404be90a8b86091a786004a499fa4e6b21590fda7d06ec7be7679462e9be9084b6c3d826f19e2a6d9de51565f5ecbe5f076
SSDEEP

768:kY6hIMh5sSGlI8Wt+3hyaa2hpFe83L+faJdEaah:X6uMhwI8WtepFe83RHah

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
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 2336	4472	AcroRd32.exe	94
PID 4472 wrote to memory of 2336	4472	AcroRd32.exe	94
PID 4472 wrote to memory of 2336	4472	AcroRd32.exe	94
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 880	2336	RdrCEF.exe	95
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96
PID 2336 wrote to memory of 2980	2336	RdrCEF.exe	96

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\738e7034b6cf14825549b11781373283.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:4472
- 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:2336
- - 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=13CE64A5013B0086B7C03EA713B820DD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:880
- - 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=5B203FAA81056BE6C162EA92056DB3A5 --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=5B203FAA81056BE6C162EA92056DB3A5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2980
- - 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=BF18BC2806575F1C28647EFB7D1CDEAB --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080
- - 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=6F589568EA6BCF265C08F48E36B827A2 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=4AB70B200BBC0C94DD518215AA23C991 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3436
- - 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=2CDAF36EBB5974429842D2E38E4FA546 --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=2CDAF36EBB5974429842D2E38E4FA546 --renderer-client-id=7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4476

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
c92a42a50a579066166a57c9be20c8c8

SHA1
20099a1d8f8cdb655829994ac0a6cdbc2b9a3f34

SHA256
3702e7a0fdf5cf883fb17bcb0d56d4bece5a067c47ceb9c0d75fe7e15b572229

SHA512
a6f99c2017a00b5126aad5b4f72cc2237af71d14f99091b99f38bbec8cc325b6833dfa131927fa3ed3a41709f4f4db6086936957b19f55a9ac75d6daf465dc7f

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/4472-27-0x000000000A560000-0x000000000A581000-memory.dmp

Filesize
132KB

Download