b03fdb2adb4a146c7b60ca33eacfc24d3c658d98094d7591b5ff784ffe53ca7e

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 00:40

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General

Target

7347d94bb8c840b6736d984e94ee0219.pdf
Size

75KB
MD5

7347d94bb8c840b6736d984e94ee0219
SHA1

7ab7caa41550d0c80ca9c391c8cd061987347651
SHA256

b03fdb2adb4a146c7b60ca33eacfc24d3c658d98094d7591b5ff784ffe53ca7e
SHA512

971c60fdaab719e1781b6f40af360d0ffbd7c507769e0fc3c380f1e82caa15e61e1c0d7f485759eb6758b08d95fd969ec8554409c7ece88baac9259ed827c00d
SSDEEP

1536:f548j7WAHug2o7rNrUyboBogjY9yguGWlZD9TY7TvWgpOGeZN:xrDH57ZUyboB/RrV9cfWGU

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4340	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 4604	4340	AcroRd32.exe	91
PID 4340 wrote to memory of 4604	4340	AcroRd32.exe	91
PID 4340 wrote to memory of 4604	4340	AcroRd32.exe	91
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3772	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	RdrCEF.exe	93
PID 4604 wrote to memory of 3644	4604	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\7347d94bb8c840b6736d984e94ee0219.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:4340
- 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:4604
- - 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=8CC92A127E0C0E309CC97D20513BC117 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3772
- - 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=8E3DA7C05D5AFC3B5D75FDD9F24F0CDE --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=8E3DA7C05D5AFC3B5D75FDD9F24F0CDE --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3644
- - 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=FDE1EFA222908F633E9FBCC633B0F2D3 --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=FDE1EFA222908F633E9FBCC633B0F2D3 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1092
- - 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=8811521948D65A23E00E2FAFFAEAAE1C --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=0A761493C2A83E374A76BD669516FBD6 --mojo-platform-channel-handle=1888 --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=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=5C056A73CB77F57A05F5C5F326D80B3D --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1712

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
6ef5eb14eb16413503420421591dbfbb

SHA1
b25624fabe3f38d694e77f32b368e5d5f66945a8

SHA256
8df38a9edccfacbe16be56ac965c6c4ecf76609f1807115dc6b31d695a1143d0

SHA512
c1718d61f2501b65d9e5f27e694e95132e69e9f9ebb7a69cdf95425fe58aaffb3f728377e008428a5af45ed08adeb0a26c9e16eaa10e1199b83921c9612474c9

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