82dfacbecf4abd1680d7ee2538737981b007f864f5a0848d17965a6572f7dd50

Analysis

max time kernel
4s
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
30/12/2023, 22:56

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General

Target

1f27a34019f794a1a3713b644f25dd94.pdf
Size

85KB
MD5

1f27a34019f794a1a3713b644f25dd94
SHA1

e080ff8ce5ff6daf2086dcd308c931757fefc2b0
SHA256

82dfacbecf4abd1680d7ee2538737981b007f864f5a0848d17965a6572f7dd50
SHA512

3152605bfd513cd71f9ccee7a30b60cfa034a2b3372e7330692c0f1d6718946e20ead9f84e0ec119a193568b2d99980f8610eb3d893c18518eb1054a727cda95
SSDEEP

1536:B5wTfNjBc7KoIYy+UQ+igNg/+NGTuTwb7409cvRmaEhfLW6Htl0irNBWspORZRu:oTlNcKoieYNg/gGTuG1MRmaEttYwN4R+

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 4908	1840	AcroRd32.exe	91
PID 1840 wrote to memory of 4908	1840	AcroRd32.exe	91
PID 1840 wrote to memory of 4908	1840	AcroRd32.exe	91
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 3208	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	RdrCEF.exe	92
PID 4908 wrote to memory of 4216	4908	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\1f27a34019f794a1a3713b644f25dd94.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1840
- 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:4908
- - 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=5FAA445B85341EADB8A5677A47913BD3 --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=5FAA445B85341EADB8A5677A47913BD3 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4216
- - 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=7FD89CE1893FB12DE1B5D6DB0CE64A6E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3208
- - 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=DAB9C6380072E72BBFF58FAD9169AD2A --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1824
- - 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=4B39041E284BA02436369FFBD1C7F45D --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:948
- - 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=9EA330E2944EEB49B043184A4D1F3779 --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=9EA330E2944EEB49B043184A4D1F3779 --renderer-client-id=6 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1544
- - 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=60A76D92D8A6684D8915AE1E7EF52BC5 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3116

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
daa748a118f1ac53548a8c2e18c163ae

SHA1
882ab6c39bed64c65c312d7e713212915b4b8ed9

SHA256
49d0fa5e8cb218269f41aa90890e9b8d8a6d240fb41e14674c3f8f011cab91c7

SHA512
222e84695f6a85791ef5e37f8eeabd512a7cf43771715bf0097385670082d6265de6ed829794ad49d22e8c1b801a38b8e748248e10212def0f47a124722a1494

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/1840-26-0x000000000C340000-0x000000000C390000-memory.dmp

Filesize
320KB

Download