23b7458937f1d3c9f1c71619c6fda1d05cd01aa10666e92c0c045dd3d2a0878f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 02:22

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General

Target

42862ca8f31197fa993411fd2473f244.pdf
Size

80KB
MD5

42862ca8f31197fa993411fd2473f244
SHA1

31a44367d57d595e3521594c66cb78d9af3c54c9
SHA256

23b7458937f1d3c9f1c71619c6fda1d05cd01aa10666e92c0c045dd3d2a0878f
SHA512

24b8782059f50197abb940d9ed18f424b00f39a61b5dd456e2621dbbd0178edf2545cda48bd79cf0474cbc61a6c70b85f7f2f679fd38d9836cff0a34ba36273f
SSDEEP

1536:iDn24Bm9SQi4AmjoDsQnHwGGg9Cppo9GTtMpLpSWFTKWYmBYc+6/zW8pO71iG:o2fSQi4ApDsQHsg9CpGGTgpSWFTy5e/4

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-1-5-21-3803511929-1339359695-2191195476-1000\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 FindShellTrayWindow 1 IoCs

pid	Process
3268	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
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 3004	3268	AcroRd32.exe	92
PID 3268 wrote to memory of 3004	3268	AcroRd32.exe	92
PID 3268 wrote to memory of 3004	3268	AcroRd32.exe	92
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3576	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 1268	3004	RdrCEF.exe	93

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\42862ca8f31197fa993411fd2473f244.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: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:3004
- - 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=028EFFCC71BA74F1F78C446EF860CAD2 --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=028EFFCC71BA74F1F78C446EF860CAD2 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1268
- - 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=68E9A44E2E65FC45CC0AA1B8EC67404D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3576
- - 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=D4F950C3D3FD05F66239AD7846E04061 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - 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=D6E7BEEDB1ADE3EE083723641913A4E8 --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=D6E7BEEDB1ADE3EE083723641913A4E8 --renderer-client-id=6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5096
- - 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=67B595E1FCE10E56183CED62FD9073BF --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960
- - 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=B5588A2B92524B2DD9086CD2AB1FC414 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2664

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4948

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:4960

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
fa052ea4f3331009d97d9909a30aae1e

SHA1
d1e1a02034e15c171a226a62bad721c36536827c

SHA256
49e10e26ca3be79c874de408d6e0ad30833df57a9b1005674de577b335b2a3f3

SHA512
379f9ebe98a15d585954557a5e93ba7207289fafbbebd4bb9d5c1826bb36863c9798b6b2c9e15ac61a9db138998ee615ae88964dd6b14af4e513b37d2d3f066d

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