423aaca3f5ce5923ba06fecab82cd4c1283dee602bc430a2ca0961b81e92bcfd

Analysis

max time kernel
178s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 05:17

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General

Target

29af1dbc837baa78537ea4b72bbd54f5.pdf
Size

74KB
MD5

29af1dbc837baa78537ea4b72bbd54f5
SHA1

7be83e239b229adb41fdefc18adc065d08bb0d2f
SHA256

423aaca3f5ce5923ba06fecab82cd4c1283dee602bc430a2ca0961b81e92bcfd
SHA512

3150910679670bb22402da6d4254329fa08064ec092f6214d2313725afd9f152e3ea72c155a404a2dc42346dfe7fd3404dbc475a5891b9cb6100e67ad2edcbd8
SSDEEP

1536:nS45Hpa9EOVx8xM2QaO/+k4lZw/vAP5QBYpZHpBd6WAgtY+3a:S45H82Qx8xM2QaOmkEaAPyYpZHb/ltw

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2320	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe
2320	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1556	2320	AcroRd32.exe	93
PID 2320 wrote to memory of 1556	2320	AcroRd32.exe	93
PID 2320 wrote to memory of 1556	2320	AcroRd32.exe	93
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 2784	1556	RdrCEF.exe	97
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99
PID 1556 wrote to memory of 3420	1556	RdrCEF.exe	99

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\29af1dbc837baa78537ea4b72bbd54f5.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:2320
- 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:1556
- - 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=F2B190FB80556278A79B003B6FC1B567 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- - 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=8D2A97654AA33621846D3E213295467D --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=8D2A97654AA33621846D3E213295467D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3420
- - 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=EC9A9DAD8888B5782AC425F508EFA3FE --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=EC9A9DAD8888B5782AC425F508EFA3FE --renderer-client-id=4 --mojo-platform-channel-handle=2136 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1548
- - 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=FDAAA19C5C359163F3A426708B7B5F42 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1160
- - 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=B4440B33E3F9B54589B7584499FB5466 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=5F599AA126D3186EBB9D66FFCD084DC9 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1824

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
74301b89c641624ec061a827d559e1f7

SHA1
79545cf8ab22c233eea8f55dc416403c0a2ab868

SHA256
d07770141f7c598a38f315a18227d1db441ba111dc7bc744c823e0bde3ee2ac5

SHA512
40f1d7b1f1a76c9707ad8b95b2e68099b0cae5ffb2322fcfa0bab4f61fc3aa9f4e223d636af07a7c65fa519c78aafdb0beef54535e4879f704368b754a18cd8e

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