7fa4eeaf44ccbfddc3f54812e7e6285b9259980d71ce2aa1ff076177e8d5bfac

Analysis

max time kernel
150s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 13:28

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General

Target

7fa4eeaf44ccbfddc3f54812e7e6285b9259980d71ce2aa1ff076177e8d5bfac.pdf
Size

160KB
MD5

1a8a8864f11a7a19257fcfb8832cd1aa
SHA1

619f0d5563d9e964c4d392e313ad9e5d2567cb8d
SHA256

7fa4eeaf44ccbfddc3f54812e7e6285b9259980d71ce2aa1ff076177e8d5bfac
SHA512

44286f1edf594068468ba8ae845927a538285770338728f2bb1da349a8cdcb7ecffcd8976bd6b3884a7d19f25a92e93c8f10e3695bea4aa613eb311ac75b3a4c
SSDEEP

3072:liCJWGQtqcC7je8fya9t3X1rfp49Jm6Cf4dg+QQwSXq5EqOMQnxMp:lBQtI7x6aXF6fI/aMkxMp

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 1972	3268	AcroRd32.exe	89
PID 3268 wrote to memory of 1972	3268	AcroRd32.exe	89
PID 3268 wrote to memory of 1972	3268	AcroRd32.exe	89
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 4160	1972	RdrCEF.exe	90
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91
PID 1972 wrote to memory of 2052	1972	RdrCEF.exe	91

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\7fa4eeaf44ccbfddc3f54812e7e6285b9259980d71ce2aa1ff076177e8d5bfac.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3268
- 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:1972
- - 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=5065C0942C2DC3AA00F44826205E2429 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160
- - 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=946ED7C97487F3CFAB16FCEEBD4A5DFA --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=946ED7C97487F3CFAB16FCEEBD4A5DFA --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2052
- - 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=386A2B9471E0B673A3F1332D22A9EC6A --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=C919037FF99862ACB49219554D03EDF2 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1576
- - 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=A431D632C4E3CC86D0F5BFBF272B8460 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4272

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
2f7203fdbb250e05d142e5b2543b0a88

SHA1
9fd5426cddf1c12b7e339a473ffc2bcefb37b0c7

SHA256
49da2c698f693d63ce84fe1d979c5dbc8223eed2360ebe5b4aaff0b400293d24

SHA512
561133cfe05d4ff5e3819c4d5a408eabf8e4422ec60363cd84cd15f0b232fe00d619b1f1d649e609b56e0bd339378d737153f6911688c7939a9f1156bfcfc26f

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/3268-91-0x000000000A2A0000-0x000000000A54B000-memory.dmp

Filesize
2.7MB

Download