e6607c6f2d5f8a14922abe9df5f3f9b3b33bc52102eb9a8cc9faa754d7a750ff

Analysis

max time kernel
4s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 14:39

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General

Target

3a17468b816e438afe26867f613f3681.pdf
Size

34KB
MD5

3a17468b816e438afe26867f613f3681
SHA1

08042d193b889f33f97a6aeadeed2927e2e11fda
SHA256

e6607c6f2d5f8a14922abe9df5f3f9b3b33bc52102eb9a8cc9faa754d7a750ff
SHA512

6abce3b0e31a642dd0849ad8b1f214d0be33da4198d6146340ab41265896064169616e10cc4b19bff89ee849ea3f2147d1bd9d9fe9c83d53bbf78706565aee18
SSDEEP

768:ibBz2bao6bs/7rMks0piauXTDBnFLKMuE2VFpFel2EK2:i1Gv7rMksBauXTx2DvEK2

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4840	AcroRd32.exe
4840	AcroRd32.exe
4840	AcroRd32.exe
4840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 2044	4840	AcroRd32.exe	91
PID 4840 wrote to memory of 2044	4840	AcroRd32.exe	91
PID 4840 wrote to memory of 2044	4840	AcroRd32.exe	91
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 2432	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3508	2044	RdrCEF.exe	92

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\3a17468b816e438afe26867f613f3681.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4840
- 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:2044
- - 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=B24A7C41D3D9B01BC122619398592E18 --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=B24A7C41D3D9B01BC122619398592E18 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3508
- - 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=9079958370E6776499F6AC53061B3CE3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2432
- - 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=D73A0D9C564D73B4EC3363E765829046 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2688
- - 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=1DCF99F8070E79102998534786B08983 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1808
- - 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=BFEDAF13E5D0609E4AB4F6406A4C29D3 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3292
- - 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=E86156772220DF60DCBF612FED797727 --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=E86156772220DF60DCBF612FED797727 --renderer-client-id=7 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2972

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
b4d4e89f1161ff8d0503c875980a32ef

SHA1
986bb8fa86b10f315e061b6480d01ce858d5421d

SHA256
1e702ea49372c20770b827d540a7a4d651816047ac1387563066d69073c3ea28

SHA512
77e335d83b740639ab63b2055d4ad8cac2741f8a6b309574425c6cb345f60bf83cea01b5e0554c326311784eebe7f3bd1f345e696058f16c32e8221af69ad2a2

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4840-25-0x0000000009F20000-0x0000000009F70000-memory.dmp

Filesize
320KB

Download