a31d8c4dc57ebf81300eae61f13339c0120afb297dee7e3eea42284ec77a95a2

Analysis

max time kernel
161s
max time network
166s
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, 14:47

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General

Target

cb01102c3474cab625705870c3e1d976.pdf
Size

100KB
MD5

cb01102c3474cab625705870c3e1d976
SHA1

1de192f4358d06522d733d94f9cb06da585699e2
SHA256

a31d8c4dc57ebf81300eae61f13339c0120afb297dee7e3eea42284ec77a95a2
SHA512

95d36a0cd1a1bbf7eab4715aacc3952a10f25042016267c06a2a4d4ae491a1fc79a432cf0344aa4c08db92626f70b76fdbabfbcc7ab3b2363bcd262e943aa233
SSDEEP

1536:ltpF2h/vp3hly0pbCk1/juX4A6hqCKLeWJRovc09lvd+D1Z7qskWKWyYwCC6+Iyl:T2HrPbC0dphiqsGl7WDwCQIykS7

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe
3000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 808	3000	AcroRd32.exe	92
PID 3000 wrote to memory of 808	3000	AcroRd32.exe	92
PID 3000 wrote to memory of 808	3000	AcroRd32.exe	92
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 4664	808	RdrCEF.exe	94
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	RdrCEF.exe	93
PID 808 wrote to memory of 2340	808	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\cb01102c3474cab625705870c3e1d976.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:3000
- 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:808
- - 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=DF3B03E4EE598A0A550250971FF942E3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=00988D9908711F5E04BA6F4FD7955FC2 --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=00988D9908711F5E04BA6F4FD7955FC2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4664
- - 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=D3E4B4A6D8BC74E0C6896A7B3A4C30E7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1540
- - 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=AA70CA07B52A48BBA5F7645D15B50B85 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=EF7075742CC7EE95E02FCADE07C2A199 --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=EF7075742CC7EE95E02FCADE07C2A199 --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2652
- - 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=C19D268E3D15022E30FE20D5433BF2E9 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3736

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:452

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
19KB

MD5
dabde9899a9652aeeba0dba932f8e0df

SHA1
d04a0e2984e2989de1be492e5101099521ca982d

SHA256
8fc9a5ca90dc75cbcb35f35c235264db619f04991301c64fc581cc41763bd4d9

SHA512
8037580b3ce58469c7b78279c011964919e6411ec712cad206330739ab24fba3e2b3494702e4c0a63737eccf76186c40f54b926b237dc23f7f5c5ab6b5a55c99

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/3000-28-0x0000000009420000-0x0000000009441000-memory.dmp

Filesize
132KB

Download