17ec93447bd603e0bee976459d77a7dec14701cc1a1b7b620435a48fa21f331b

Analysis

max time kernel
173s
max time network
189s
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, 16:53

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General

Target

f91215d2d14d0a95aec72e0227449535.pdf
Size

34KB
MD5

f91215d2d14d0a95aec72e0227449535
SHA1

19519c36360abff8b3e8bcd70f70646bf3f4967f
SHA256

17ec93447bd603e0bee976459d77a7dec14701cc1a1b7b620435a48fa21f331b
SHA512

6256bb4deb617d9171e7fd95cb5d982d6ff8d851a1626d242cf2a2bac6d77d87509dd1fd16407f133eb8f799884104632121b54254ff1b545a0696f0baf91c4e
SSDEEP

768:/9vEDpbadaurJoEwsiVNN0ph215c12nAmnr98a1P4Mv:/98VruRI3SpQrcEnAU9sMv

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 1348	4616	AcroRd32.exe	93
PID 4616 wrote to memory of 1348	4616	AcroRd32.exe	93
PID 4616 wrote to memory of 1348	4616	AcroRd32.exe	93
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 1148	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98
PID 1348 wrote to memory of 748	1348	RdrCEF.exe	98

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\f91215d2d14d0a95aec72e0227449535.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:4616
- 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:1348
- - 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=5D9958E43A2E6BF1D53BCD9D26EC2181 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- - 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=D500252180A0A220222CD1C0BFD652DB --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=D500252180A0A220222CD1C0BFD652DB --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:748
- - 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=A4624B21DFC3137CF02F63205EF876C8 --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=A4624B21DFC3137CF02F63205EF876C8 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3552
- - 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=80958E1E439E267208CD5FD3BAAD8045 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=CE06FB88541720B191AD95A6119B26A3 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=22BCAF8747546667028EBA779B1A2534 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2344

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
25KB

MD5
217784b62a7a6bdb2048ce7682ce2b20

SHA1
3de06547a2ae4e282cee9a15eb10619638af3741

SHA256
6265c2993d998b727523438ce47aca36571ecb549e6f43847f64191b738d96ee

SHA512
2bc525245bffe0c00ce873fc7229e15e2fc188609a11adf260dccf9655d4df29e1079a4373fac6339cb36cd377135399066c5ed2ba26e965b30087e516d7919b

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