fd5ae1e1d0280b6be11636ee40f3ea93cdeb29c1030ae8131715b9b42d334b03

Analysis

max time kernel
144s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 18:52

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General

Target

00f983bce765771b7d15835b2c692752.pdf
Size

47KB
MD5

00f983bce765771b7d15835b2c692752
SHA1

099ef225a73a8a825ed2e6804036b01f80943223
SHA256

fd5ae1e1d0280b6be11636ee40f3ea93cdeb29c1030ae8131715b9b42d334b03
SHA512

46aebd25ddbbb243ce4a93d1bc7878940672dee177e3d08d7269afea2ea2af925491517d4b1cd5a461547e1fe30f602c535fa5d72d072111dbbea8b7d03aaf8c
SSDEEP

768:pW4rU7uwOAqdJ84sozSTzq6wpWGS0It/06KTwn5wHjWNyxHykQ9DqXxQ:YiVPBsozhHQ50eXKMn5wKkxH+sBQ

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2164	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe
2164	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 3448	2164	AcroRd32.exe	91
PID 2164 wrote to memory of 3448	2164	AcroRd32.exe	91
PID 2164 wrote to memory of 3448	2164	AcroRd32.exe	91
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4684	3448	RdrCEF.exe	93
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	RdrCEF.exe	92
PID 3448 wrote to memory of 4216	3448	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\00f983bce765771b7d15835b2c692752.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:2164
- 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:3448
- - 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=89C5D5E38424269D1401724A353282A7 --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=89C5D5E38424269D1401724A353282A7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --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=BBA7FD1DB9B79384ADA2A83D958445F6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684
- - 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=D32AA5689ED962CC02487FD45F89DA78 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=FF3B4B690B8470C5D8EB6BC343BBEA79 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4296
- - 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=CB8D7B1574C2D4CFABE094C426E0A491 --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=CB8D7B1574C2D4CFABE094C426E0A491 --renderer-client-id=6 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4256
- - 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=B514D79569213B04792240B7E8998F66 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4784

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
389f55534343636cca194d70956e6c99

SHA1
1209a3f5534fbe9273d70df8c3b2a4f7af230597

SHA256
4346da6539b7da732bc9437a29c65f201e27534b98cce55bdf5cae457b69bae8

SHA512
d473f4acc0febc0da043dabee39aaca3f8b48aacb6b9d6d0bcd4879f0cb72914267f42592fa999c62bf99bedf8f908ccf7529ec29702e52e158ed5e5405a8806

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/2164-26-0x0000000009AF0000-0x0000000009B40000-memory.dmp

Filesize
320KB

Download
memory/2164-27-0x0000000009AF0000-0x0000000009B11000-memory.dmp

Filesize
132KB

Download