c4d1bd36d664b0dd63ebeb5066e4b06617653167f355ce26b17b384672c01eb4

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 03:20

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General

Target

42a08c2c068f6e70877f698ba74eea73.pdf
Size

43KB
MD5

42a08c2c068f6e70877f698ba74eea73
SHA1

6c19b5aacfc4d0efb1ad2e21f64fc09c7c5d3644
SHA256

c4d1bd36d664b0dd63ebeb5066e4b06617653167f355ce26b17b384672c01eb4
SHA512

8107d75678442d52bf89e1cbb7b9a7343f648af77b8636c13fdce15566f927420996f8df6f78216218fbc9c195df81c76030d65f9615e243061475a2821f3fb0
SSDEEP

768:qp02gOZfWiKC/LwT6RA0L/2lsxNSektLtO/PVOOeJ8curStjvHPXex5t1YPyUhk:qBzDTjTLHSe4tYOOeJ59RPPXex5tqKUq

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
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe
2372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2136	2372	AcroRd32.exe	93
PID 2372 wrote to memory of 2136	2372	AcroRd32.exe	93
PID 2372 wrote to memory of 2136	2372	AcroRd32.exe	93
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 3388	2136	RdrCEF.exe	95
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	RdrCEF.exe	96
PID 2136 wrote to memory of 644	2136	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\42a08c2c068f6e70877f698ba74eea73.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:2372
- 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:2136
- - 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=4D1639C06778B48C95C48845F5BE13D2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3388
- - 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=41EB54A8C20ACD32BFAA88BBE2F4114D --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=41EB54A8C20ACD32BFAA88BBE2F4114D --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:644
- - 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=7D3FBA9D2687619E123FA41AE1414D7A --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2072
- - 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=C61F43AA8D00538BFEAD257620E83090 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2444
- - 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=4895F126E5D1A40B5BDA960FF1181963 --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=4895F126E5D1A40B5BDA960FF1181963 --renderer-client-id=6 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4160
- - 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=4CBD76D1876EDD641B028CBDB49C0B70 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4408

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1804

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
426e8a080b37399c84ffefb2df0377ee

SHA1
d6ebbf016cae5b9e1cc36f0f452c58118ee87ebe

SHA256
fd3929222df4badf8ab5beb3b2f3d2870b5d625a37401e337efff8222fa0dd0d

SHA512
41a87386485a264fb86853b667efc074fd861ce66cc7d21c595152b4b0a61229c4fd39f004997302782883217f931b42771429a989f388933d16a55fd747e2e0

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