2ae1394f2eabcad337a0b1e4df312dc9463ee03515943e768f1c190e6f45afea

Analysis

max time kernel
148s
max time network
152s
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, 21:14

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General

Target

042d64a1b68e41de8541fb30646fbf64.pdf
Size

85KB
MD5

042d64a1b68e41de8541fb30646fbf64
SHA1

e57d11375e849afec86092b17f662647c490f80b
SHA256

2ae1394f2eabcad337a0b1e4df312dc9463ee03515943e768f1c190e6f45afea
SHA512

ab002f14143fa7ea026ab74bc9e8ea89672c080ab2d42af316fa2153278c98efb54517a2abab5a801047e7a3e196af5ab8235d5a7a20bab73f7544ddb7ddd5e8
SSDEEP

1536:vOmwI8T0gvJJvulwnjVnVgbd6wi/VhWSP4z/1BtW1eQVWOpOaZMou5Tk+i:nmZVgbd6wKVhVgz/1RQOaZt6a

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
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4688	4816	AcroRd32.exe	94
PID 4816 wrote to memory of 4688	4816	AcroRd32.exe	94
PID 4816 wrote to memory of 4688	4816	AcroRd32.exe	94
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 5036	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96
PID 4688 wrote to memory of 2900	4688	RdrCEF.exe	96

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\042d64a1b68e41de8541fb30646fbf64.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:4816
- 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:4688
- - 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=996B013D0CD76791B0D6BBF0267A3759 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=D84B0B3EE7BB4D91706EEA5AED46D376 --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=D84B0B3EE7BB4D91706EEA5AED46D376 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2900
- - 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=CDA6048495986DA8795AAC8EDD9210FB --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=1CEE312ECCCCD9CC2AF871C1AF11CFE8 --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=1CEE312ECCCCD9CC2AF871C1AF11CFE8 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2544
- - 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=61EEED529A8686994CD44582B1509A45 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2488
- - 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=7EA0EAEAEEC50B3E05A12CF779D51594 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3236

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
f6569ea2c48b0b77a2ecd0d4a70ce699

SHA1
8bae1bfc318b46580773a55fcccffbd7cedc1e07

SHA256
5f4bf67a9b37e5f66b2bedefe336d1974725c1fa691f91f77420484ff8b6ee43

SHA512
27ce3568cbc50faeff63b351026a82bb7a783b311ea58cc38cccfbb0e893d51b7765239d69f818cacb9c4cc21631ba27b125f0d130028451d7cd6242b3356504

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/4816-25-0x000000000B8D0000-0x000000000B920000-memory.dmp

Filesize
320KB

Download
memory/4816-27-0x000000000B8D0000-0x000000000B8F1000-memory.dmp

Filesize
132KB

Download