c1e47e7bed55e691ba8905118b5f62b45188d152550049cdc39a94e6a72da528

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 01:22

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General

Target

d4db9001e62dbfb0b11594e1ea8b7ac9.pdf
Size

36KB
MD5

d4db9001e62dbfb0b11594e1ea8b7ac9
SHA1

93f5e560bda65302b0c012dd2ffbeac44a07dd9d
SHA256

c1e47e7bed55e691ba8905118b5f62b45188d152550049cdc39a94e6a72da528
SHA512

f7fb4aca7cec4732208fac844d7c8a093fabb3586e84090a729e20d6b2c7305c1c5c061420aafd1287526da421afdcd08a8d29b031bd08630f1137f098e55b68
SSDEEP

768:nL2f3idDOqmYDD++M+9G6Bb/E1BRbpq38N1kNYE6wqSuz+o:nu38tD+l4b/W1qMwl5uz+o

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 3724	4428	AcroRd32.exe	93
PID 4428 wrote to memory of 3724	4428	AcroRd32.exe	93
PID 4428 wrote to memory of 3724	4428	AcroRd32.exe	93
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 1752	3724	RdrCEF.exe	96
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97
PID 3724 wrote to memory of 3452	3724	RdrCEF.exe	97

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\d4db9001e62dbfb0b11594e1ea8b7ac9.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:4428
- 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:3724
- - 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=C7BD2C5437FDB8800C8D841E7EF017F2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752
- - 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=F5E33F0CB818DE4743229B57EF178A11 --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=F5E33F0CB818DE4743229B57EF178A11 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3452
- - 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=59D1C8B63AA1DCF5E0FA6CA1D4A4D998 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3924
- - 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=40CDB6DD9761C56203F29D593D5D5AAD --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=40CDB6DD9761C56203F29D593D5D5AAD --renderer-client-id=5 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3696
- - 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=32316B530DE7A621E53BA6715AA9954E --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1272
- - 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=B5A582FC9574263554A81BB7049C7922 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756

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
413986341514510065e235fce361ad35

SHA1
a6ec3487a7393f81cf1bb221a47d72e364e3e8a8

SHA256
26bd8657849d89ceea6901d2201b7df112a68d3c73524457ba24171e68a779ea

SHA512
c573b5b325e730bd895effbc4c59e1cfa3e94f9e1e5aea8fc1f46392a1e3409cf684c80c1955bd88d79f9a06a51704dc2bfd5674c7583558e7eaa906fce4585f

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/4428-27-0x000000000A640000-0x000000000A661000-memory.dmp

Filesize
132KB

Download