17fad69e39a4343639e06adf730645131471dcaba9e07453582fc5ab5bbd3e08

Analysis

max time kernel
154s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 12:33

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General

Target

8c54a181bcdf20cce3531e93ec989e13.pdf
Size

116KB
MD5

8c54a181bcdf20cce3531e93ec989e13
SHA1

0bb9a3a72d66ddac8d4286d5c86bfd855c800118
SHA256

17fad69e39a4343639e06adf730645131471dcaba9e07453582fc5ab5bbd3e08
SHA512

f721d356d8d782f4cd28845fb83a96dd43b7765ac53de6fcfc77fc57f13a9d0d02bfedb3db00fef7a30ea88ce103685ce4f649f25c0ac9fb8121312f1e6c912b
SSDEEP

3072:2vMQrVjyuKdSEAmCBwPQJzvtMxUpiRotA2CX:4VjyuKdSElCB8QJzv2UW

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 4244	996	AcroRd32.exe	87
PID 996 wrote to memory of 4244	996	AcroRd32.exe	87
PID 996 wrote to memory of 4244	996	AcroRd32.exe	87
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3076	4244	RdrCEF.exe	88
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	RdrCEF.exe	89
PID 4244 wrote to memory of 3372	4244	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\8c54a181bcdf20cce3531e93ec989e13.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:996
- 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:4244
- - 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=A12BFBD067037C17F26CF1E47E74C1E1 --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=A12BFBD067037C17F26CF1E47E74C1E1 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=93F355E520D862AADDBB33F30B7354AC --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3372
- - 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=B3458CA866CC0CE4023C861CCAC49767 --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=B3458CA866CC0CE4023C861CCAC49767 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:760
- - 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=663044690F23E57A242DFB07EA53628A --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:832
- - 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=E8D00EDE229AD72697D57B37F00781C5 --mojo-platform-channel-handle=2120 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3396
- - 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=A6E5F255BF81CD4A0120DC3FD86C55F5 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1692

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
4c2384afa971086a93829ffbf90d3d89

SHA1
87c8989f732b650d774dab7b9d0c4f4575979f28

SHA256
14fa931570e11a05a0283af693cb775948877cd6f97a9fb87578bb197c1f9936

SHA512
643ca6f97389ec28e9890ab0f740240c532403ee48cef3359102bb761c816364612d13d6a9184fe02e4ff39303204417ba3ba7952e9a63d4f99b259b4e453a5f

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/996-28-0x000000000D130000-0x000000000D151000-memory.dmp

Filesize
132KB

Download