9f12d8aa839b40b3d33b5daef36f8d0e5eb2015af0b0e736239d34394bd77f82

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2023, 14:54

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General

Target

3967_22259_XPDF.pdf
Size

100KB
MD5

2c8a6f1045cd4e467b4dfabb8bc5a5fa
SHA1

10bb79f278b2ac360c6d52092e03caf2701ee8d1
SHA256

9f12d8aa839b40b3d33b5daef36f8d0e5eb2015af0b0e736239d34394bd77f82
SHA512

b94da98474333c061794b438f1cfe1ffed9d0037d06b744036d76c47efe4cdfad0c58cd6d2d85e82f4076c753eae8262e7d95b3d4b1186ce868a9c5ed57faae4
SSDEEP

1536:LuDqPj0PpftRqPj0PpftGeluzPoBcQwZimpkHOF3vV/XkUeEa9pZL4KQlU6vJoaO:LbEpSbEpnlK+ygpHOF3vR0F7h4KVFaO

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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 3260	4964	AcroRd32.exe	95
PID 4964 wrote to memory of 3260	4964	AcroRd32.exe	95
PID 4964 wrote to memory of 3260	4964	AcroRd32.exe	95
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 460	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3128	3260	RdrCEF.exe	97

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\3967_22259_XPDF.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:4964
- 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:3260
- - 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=FE72B4AD63E5F31A1C8649ACEBF76E92 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:460
- - 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=E21F3083716D69C2F8A7DD0A5C6F8094 --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=E21F3083716D69C2F8A7DD0A5C6F8094 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3128
- - 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=45912FAACD7B22829B30E635FBD6B67A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1776
- - 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=DDDF280F5EB2FD5F3D55A24F5D9ADF64 --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=DDDF280F5EB2FD5F3D55A24F5D9ADF64 --renderer-client-id=5 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2348
- - 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=BB6D46420ED970ED62B2243AE6DC9665 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=C74F1768E7251A69AA4147F27B24834C --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3900

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1720

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
9e0bdd5cded3a5ac3ae2f83e1269a013

SHA1
2a6576a1a2b0774181ab31211b818630bceb91ae

SHA256
06353a43f43767d49bcf5824046a1c4e6dfa4514c6c25d1a037857b20b52f819

SHA512
42a11a83750634377a63fbfb7a142e228a2408a2a90ac7fba076c0a30921893eaec2dad89e27c6fb4a0e9fc15a056d9e0f501d9abae748f7cc13dfce807152a2

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