4a11e58413c20a53041c70232151e57e404f4250752fc4e1fe96251d17e0489f

Analysis

max time kernel
149s
max time network
149s
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 04:14

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General

Target

532a38895420140c51745e549278da8f.pdf
Size

14KB
MD5

532a38895420140c51745e549278da8f
SHA1

c1689aba028225f3161f34b5ae51a68682bbab2f
SHA256

4a11e58413c20a53041c70232151e57e404f4250752fc4e1fe96251d17e0489f
SHA512

07524fd0f65534cd12aa173fc508255426723090c009c8c4b72dfdde0e57c24c36fad2bcc4cc7475048e61e4daee3636f51ea9fd23a791047a9c513c984d9fb9
SSDEEP

384:+hzaNwAO9Ginob7cXLIdK4phdQi/60G7yNVg8:uhZGin0QX8nphdQC6dyNVZ

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe
2088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 3000	2088	AcroRd32.exe	92
PID 2088 wrote to memory of 3000	2088	AcroRd32.exe	92
PID 2088 wrote to memory of 3000	2088	AcroRd32.exe	92
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 392	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 1672	3000	RdrCEF.exe	94

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\532a38895420140c51745e549278da8f.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:2088
- 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:3000
- - 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=684BB005CD49D508E36A333AEED82347 --mojo-platform-channel-handle=964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392
- - 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=9287F976E306298995E784B212BA6ED0 --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=9287F976E306298995E784B212BA6ED0 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1672
- - 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=CC20BE02426155D96783CFE54B8D9EF9 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5092
- - 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=845A21F5F2EC853670FD2F45B30A30D5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3616
- - 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=588621B8A572D2A896E361D1B66F2CB0 --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=588621B8A572D2A896E361D1B66F2CB0 --renderer-client-id=6 --mojo-platform-channel-handle=2224 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=2CC19449F63EF93DFEEEEFFE5E300B81 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2372

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
e8bd7facd2d2b61ad285a7579bdad291

SHA1
9dfbc40329447eed9f65dc2495d03c1c5973022d

SHA256
d2b59f6f2caabe3a243265a12fe896474661d769922dbc68f1f8ae94c0b1184b

SHA512
96e4da7acd21bed31c51d880b11574aed108fe1e78a0b2108d70e444c2fc0f7c9bc13e996a947b07bf95a7996c7b466d6f8da773c68ed16fa15bbd0d937fbe15

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