7d433630b27ce247c6932d95ce9386be597f52e05ebd569a702f44b46041206e

Analysis

max time kernel
148s
max time network
157s
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, 09:25

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General

Target

638e1c28c6aa1dcced5a84f25fd3b9c1.pdf
Size

83KB
MD5

638e1c28c6aa1dcced5a84f25fd3b9c1
SHA1

c301b019cdd4c7d536d6db4bf9909e23b8a11b17
SHA256

7d433630b27ce247c6932d95ce9386be597f52e05ebd569a702f44b46041206e
SHA512

890a5419f77a65c38dfa822336c5e8ecec23f115073aa37a6369f3ec5d52b8567dc5599ab6777b41ad501889954c9b7017cfaa1ef6d1f6eb04e9ff4b9a78418b
SSDEEP

1536:fIkvLt3Z9wp4dfxoeVnsp28YkSxbmtJ5DOjvB2uwev1RU79MdW6pOu26WHGxzHX6:Ap4df2zp28YkwbmtOjZ2mAMuu28xzX6

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 22 IoCs

pid	Process
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe
1616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 1952	1616	AcroRd32.exe	92
PID 1616 wrote to memory of 1952	1616	AcroRd32.exe	92
PID 1616 wrote to memory of 1952	1616	AcroRd32.exe	92
PID 1616 wrote to memory of 5108	1616	AcroRd32.exe	93
PID 1616 wrote to memory of 5108	1616	AcroRd32.exe	93
PID 1616 wrote to memory of 5108	1616	AcroRd32.exe	93
PID 1616 wrote to memory of 2924	1616	AcroRd32.exe	94
PID 1616 wrote to memory of 2924	1616	AcroRd32.exe	94
PID 1616 wrote to memory of 2924	1616	AcroRd32.exe	94
PID 1616 wrote to memory of 4588	1616	AcroRd32.exe	97
PID 1616 wrote to memory of 4588	1616	AcroRd32.exe	97
PID 1616 wrote to memory of 4588	1616	AcroRd32.exe	97
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 4608	4588	RdrCEF.exe	100
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101
PID 4588 wrote to memory of 2292	4588	RdrCEF.exe	101

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\638e1c28c6aa1dcced5a84f25fd3b9c1.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:1616
- 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⤵
  PID:1952
- 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⤵
  PID:5108
- 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⤵
  PID:2924
- 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:4588
- - 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=DD037A02F69D3069C03CD52A045E2B7F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608
- - 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=E09BF40BDF465A9287A045CBF8B35C3D --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=E09BF40BDF465A9287A045CBF8B35C3D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2292
- - 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=DAD3358466B40918F84FB250DAB8C477 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=CD97BC95BF74EC14F02E9C6F8D153A9D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3016
- - 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=A71F2AC0B85F765D57177C9E62A48935 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2608
- - 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=6F7540D2F81CE20C3A940AB5AF3FEE78 --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=6F7540D2F81CE20C3A940AB5AF3FEE78 --renderer-client-id=7 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1168

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4584

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
315a17b47cfc4b14dde21aaf62c05554

SHA1
4e1b3dd0c0f0d7dfbd2723051ecfb3706315fad8

SHA256
b816672ba4d1d80f4e23fd9c1fa5ddfa45c119687149576ae6049e332446d5d4

SHA512
76b77022404946550b033bd06f28d4e7b6028b3f2530ad841ff68670812957418a6dce990d932fe82d7d9cba87ce63eae762c74f75b2aaeca10bdefe610aaafc

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit