c20e017f426bc071e581ca43db94ef16c50dfd4c429dedda2aeffd0cb885e9fd

Analysis

max time kernel
142s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 02:36

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General

Target

c20e017f426bc071e581ca43db94ef16c50dfd4c429dedda2aeffd0cb885e9fd.pdf
Size

98KB
MD5

1cb9b1b99ab779961d058c9478abd3a5
SHA1

80b40631150a4e9bf925660dbce612622ed795b2
SHA256

c20e017f426bc071e581ca43db94ef16c50dfd4c429dedda2aeffd0cb885e9fd
SHA512

b60e128a56a1a54217f8ab0b32e5af78c19ef8f9526710089a9dbee0125cb3bf09830fd67d140fd0e675ec918ba0a3449d17c8bc4d6aad6e302234f2c3d57b89
SSDEEP

1536:73i55YTmisFFUeKuUkIOvDWjFCr3lYj9EqyPxzSHlK:bo5YTLEFNKuvIQDiCr3yjuZUK

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-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe
680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 2500	680	AcroRd32.exe	90
PID 680 wrote to memory of 2500	680	AcroRd32.exe	90
PID 680 wrote to memory of 2500	680	AcroRd32.exe	90
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 2460	2500	RdrCEF.exe	91
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 376	2500	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\c20e017f426bc071e581ca43db94ef16c50dfd4c429dedda2aeffd0cb885e9fd.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:680
- 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:2500
- - 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=F9BAA49D3559CFC237F3F6A486F9AD01 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2460
- - 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=42D0465616F380E03976B654062AFCFB --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=42D0465616F380E03976B654062AFCFB --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:376
- - 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=D10F55D388EAA6ACB698172B1C40D00C --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5048
- - 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=4FE8FFEE8D344F65CE40B26FCB182BE6 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2908
- - 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=FC2DFE0CD258F2A291A9D363ED0ABECD --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=FC2DFE0CD258F2A291A9D363ED0ABECD --renderer-client-id=6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2408
- - 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=669CDF607BC07F3BF4FB76EF7E1CD68B --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3620

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
1d724cec32500d0e79b91cedf66b67ff

SHA1
ca1d905865dfc4a2b0969ecb0f38a606479e5675

SHA256
bae3f9b4fb0a1af5e6ddbb9c56e88ea2859a717cbb0b3a6f92de0d075e83f420

SHA512
014b063b2547c5a62e08189d7df6f1843f9dd3b239aca581d8314aa3c585f1eafe875daa56cdd3ee884e8a1d24ea0ae9cc058915d0d4f6d3fd6e941d6b5811ac

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/680-26-0x0000000009B60000-0x0000000009B81000-memory.dmp

Filesize
132KB

Download
memory/680-131-0x000000000B0D0000-0x000000000B37B000-memory.dmp

Filesize
2.7MB

Download