5e3a25b00653c727d30f21e62f2e18268975ffbab724d44b1c3f99cbb203c49d

Analysis

max time kernel
146s
max time network
153s
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, 21:55

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General

Target

1dbcb9b43a6c8cc63f917d26f773bddf.pdf
Size

34KB
MD5

1dbcb9b43a6c8cc63f917d26f773bddf
SHA1

9d24e9583241535e337437f21a47b62c4057af9e
SHA256

5e3a25b00653c727d30f21e62f2e18268975ffbab724d44b1c3f99cbb203c49d
SHA512

ca513574e3e35e0c4495c221261178cf0d56b96d942a9707ddc37ce31c53be32d6089211c7a45f928141b064c6e49e067797efe6ab790d3f2766ff2b521177ce
SSDEEP

768:9H1N3fKqld8svFHPmE6IMj2HOGf9HSZ9yy5SkJsvc:tbiCde/KHgZsy5nJsvc

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
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe
2176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3236	2176	AcroRd32.exe	91
PID 2176 wrote to memory of 3236	2176	AcroRd32.exe	91
PID 2176 wrote to memory of 3236	2176	AcroRd32.exe	91
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3828	3236	RdrCEF.exe	92
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93
PID 3236 wrote to memory of 3988	3236	RdrCEF.exe	93

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\1dbcb9b43a6c8cc63f917d26f773bddf.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:2176
- 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:3236
- - 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=8E015A49CD31D5385479B801F58ED130 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3828
- - 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=4CDE39A53932DA4782C2F9C5F4CB76FE --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=4CDE39A53932DA4782C2F9C5F4CB76FE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3988
- - 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=BDFBB8C41D718BC50DF473C279A27749 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=43606E6ECF49ADE2C7423C48A1B919E2 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- - 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=AD05B7D834CF38D68AA10CE5E6AC6177 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:820
- - 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=00DCB96B83E90E2264BBE09A09A22D04 --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=00DCB96B83E90E2264BBE09A09A22D04 --renderer-client-id=7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4920

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
45b99a6f39354133a0124fd61d097499

SHA1
5d1ce7b9328f9dafc083b3a9becf6bf8e2ad7508

SHA256
a382f1e7e1b3e3cb479c53ee6e15dd7a4d2cde84a60f60c8c21b5550ce21952b

SHA512
caa9ec45d5c5ea4a58032e06b89a898bf7348afb62f03e3d1b953501dbb4e5c0b341e5a32b7d049ebd9ea205c3b1949e4cbe06a6ee61b337931ecf4f72855b46

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