1c8a1d08ec1a45227e27452d928c1892f82cbff7b2531f2033a69b9c2acb703b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 13:31

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General

Target

c37ddc60660853dc33cda863ea34971c.pdf
Size

82KB
MD5

c37ddc60660853dc33cda863ea34971c
SHA1

a383b77102c700b004d00e1cdce9bd74d336ee37
SHA256

1c8a1d08ec1a45227e27452d928c1892f82cbff7b2531f2033a69b9c2acb703b
SHA512

fe162f98e5ae382dca4cf6547645e08cf41f8b7f209de842b5ae55b0a782f9fb7e0f422a3e45c564a2cccbe654caab9adc2b092ad069aa3a282f918478820400
SSDEEP

1536:o5kjLbZ9ukqIuENnC1KCJIKC0mx6jGxWxGZjWJsg/i77KckWUpO7FjsfD:ckjLN9xpg1zJxC0PGycNvKcn76

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 544	4512	AcroRd32.exe	92
PID 4512 wrote to memory of 544	4512	AcroRd32.exe	92
PID 4512 wrote to memory of 544	4512	AcroRd32.exe	92
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	93
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	RdrCEF.exe	94
PID 544 wrote to memory of 1720	544	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\c37ddc60660853dc33cda863ea34971c.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:4512
- 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:544
- - 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=7FFD29597FCAA16251E7E1B2EBF24AA7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=D99670ECF72241263062B8AB15BDBECC --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=D99670ECF72241263062B8AB15BDBECC --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1720
- - 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=AE49226A6F2F824A8C4842762E3D9F6E --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2232
- - 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=475920C1D24596B7B58663BD5F5114F7 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1896
- - 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=76827A3917AA10732693102562417CC3 --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=76827A3917AA10732693102562417CC3 --renderer-client-id=6 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4496
- - 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=64C154DD60460838BF399A65205806EE --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4260

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
f710e81b822c48ed546008e5a30f0c59

SHA1
2dd8587b2112632de088c0bfb0735332f6308558

SHA256
a598b18ba0d9006d171e958d2684e1165626b17cb0485b8c159d3b460dfa70cc

SHA512
af7a82898c167963b75d32394ecf721d9d7bbed7ac23f363821381f38358528a92fffdb5af60800f4f0c436c14e5b0302c48b2e0351778815a2a6c8e272afa38

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/4512-26-0x000000000B400000-0x000000000B450000-memory.dmp

Filesize
320KB

Download