82ed5d6f9bd9bffba3b9facac2543354537eb187c30c17613b4cda3a331196d4

Analysis

max time kernel
200s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 14:26

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General

Target

c1f40fdc5e80321f982eb00309dc1ac1.pdf
Size

45KB
MD5

c1f40fdc5e80321f982eb00309dc1ac1
SHA1

eb1895754e92cf339e05a1720c0ce1250f924f79
SHA256

82ed5d6f9bd9bffba3b9facac2543354537eb187c30c17613b4cda3a331196d4
SHA512

4ca9d8098cdd5ed37191bcb1bb88b3f653c84c5c4554e980846b4a1b82e3045c07050efb263a275713f51d3bd0bf7a62850ff12daea9787687cb532688ff9966
SSDEEP

768:mST8FVZZV2gzFBy1rgic6tGT36d0tdBpn0TDX6nokZPpsUyRpOUwhA:qFH2gzF0rgicsGT66FwX6nokzs9BwhA

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 4284	1740	AcroRd32.exe	92
PID 1740 wrote to memory of 4284	1740	AcroRd32.exe	92
PID 1740 wrote to memory of 4284	1740	AcroRd32.exe	92
PID 1740 wrote to memory of 3580	1740	AcroRd32.exe	93
PID 1740 wrote to memory of 3580	1740	AcroRd32.exe	93
PID 1740 wrote to memory of 3580	1740	AcroRd32.exe	93
PID 1740 wrote to memory of 868	1740	AcroRd32.exe	95
PID 1740 wrote to memory of 868	1740	AcroRd32.exe	95
PID 1740 wrote to memory of 868	1740	AcroRd32.exe	95
PID 1740 wrote to memory of 2820	1740	AcroRd32.exe	98
PID 1740 wrote to memory of 2820	1740	AcroRd32.exe	98
PID 1740 wrote to memory of 2820	1740	AcroRd32.exe	98
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 1372	2820	RdrCEF.exe	99
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100
PID 2820 wrote to memory of 772	2820	RdrCEF.exe	100

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\c1f40fdc5e80321f982eb00309dc1ac1.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:1740
- 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⤵
  PID:4284
- 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⤵
  PID:3580
- 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⤵
  PID:868
- 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:2820
- - 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=D78C6009E636D9BC219662D589B10F06 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372
- - 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=032C707716055488ED8E6175E40E7DAA --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=032C707716055488ED8E6175E40E7DAA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:772
- - 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=B25985DB8028495A0FC02ED1F4407812 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=5B2899974E3C9FC86CDBA6CC94C0446E --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3424
- - 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=DD0E1CDA735EFE89D8392D34597CCB86 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4752
- - 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=B4BD8F73CAF81BBFC70291881015F409 --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=B4BD8F73CAF81BBFC70291881015F409 --renderer-client-id=8 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3088

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
f7ee2feaac2094d9111be56a7abfbbb7

SHA1
bd10f9c632459717cefc92b2a7b04d17321d3c49

SHA256
f61b5b520ffeb1ebb5adc95cd8a1779d66cfeff3f74f082e4c50212bd3eca833

SHA512
22257decb085f5d030f63df3906b28e7707367208a3d32807b8afe26e1f5eb76b937fa5ba76585f484965843fb831cae1bb7c3e5fc1b459849d564c573b5a8af

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit