977e4f1bc858f72b8df58ac8899dc14dc42b30dfd8d31659a5233c3549d03d33

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 12:52

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General

Target

43bb29a16ac60868e99e5c77d3503cba.pdf
Size

115KB
MD5

43bb29a16ac60868e99e5c77d3503cba
SHA1

4089a0a1cb771505a83e47d7dbdb554994a56cf7
SHA256

977e4f1bc858f72b8df58ac8899dc14dc42b30dfd8d31659a5233c3549d03d33
SHA512

6455bb707ae20207cc3397623c377bc7f70e62211249111104651dbb8be74433d96df8636932abec5e53ecc05cde08b5941af818b17a36e9b16abbd86ef9ef7e
SSDEEP

3072:OjULxvdsQReL59SqMmFp+0ZgJbfQnVUeUpRIcnlEzYnF:OjkvlcL590mFp+0ZEjQnVUxRD

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 behavior: EnumeratesProcesses 20 IoCs

pid	Process
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 3908	208	AcroRd32.exe	93
PID 208 wrote to memory of 3908	208	AcroRd32.exe	93
PID 208 wrote to memory of 3908	208	AcroRd32.exe	93
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 4696	3908	RdrCEF.exe	95
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	RdrCEF.exe	94
PID 3908 wrote to memory of 3708	3908	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\43bb29a16ac60868e99e5c77d3503cba.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:208
- 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:3908
- - 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=7E3FD8D4E46449BE9304617DC57B1A55 --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=7E3FD8D4E46449BE9304617DC57B1A55 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3708
- - 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=6868C04B5C56BD219535CA7F71254121 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - 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=4FE24F1330EB965E24519F8E7B0B7028 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436
- - 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=2F1DEDD252045F0477755B97E2066C84 --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=2F1DEDD252045F0477755B97E2066C84 --renderer-client-id=5 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3352
- - 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=A3DD8748B1F4B6F3ABF1855B918DD727 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216
- - 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=A42F0CB28D28F31E810F6BBBC5BF9B02 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5012

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
af9f803f0fff4f45addf7d28c4c88d11

SHA1
0f7054271386932824cfaa22d499ee6866de8edd

SHA256
288e0961c1b00c92848c577b5e8e3e96c6f1a15c749c64e190b30a78008a0461

SHA512
286a360ef9f7fd568548787c6ba6d59c202885bfc15abeac721347109c026fab6b2d09deb7d6724fb00a9aa60c856aac7f69c8e71bd8757fc560e0b6618fef2f

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/208-27-0x000000000D020000-0x000000000D041000-memory.dmp

Filesize
132KB

Download