d17eb7a51131bf4a2b43305d275b72a4550ee15152b9b4b882aeb2bd28e2f3a8

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 17:05

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General

Target

8cdea8f8f8155c3da1532dafa1950487.pdf
Size

83KB
MD5

8cdea8f8f8155c3da1532dafa1950487
SHA1

c099f11c5864e8b5791923575bab73a6cb58a8e1
SHA256

d17eb7a51131bf4a2b43305d275b72a4550ee15152b9b4b882aeb2bd28e2f3a8
SHA512

cb275818fd8da6e8fc69ce70bbc02495e279f938dbd8a20f734d2a4b86df797c01e8d9179cbda0927c247aa6f9fc76fb1d7858129c46afb2a3747093231ba504
SSDEEP

1536:3RBTAOgOuS6qMsXzjvOdmXnGn148uuMw0WCpOViIWt7CJInJ4A47H5yn3:7TAJOQpsXzjvOdm37udViECnJ4H5U

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 3500	3232	AcroRd32.exe	86
PID 3232 wrote to memory of 3500	3232	AcroRd32.exe	86
PID 3232 wrote to memory of 3500	3232	AcroRd32.exe	86
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 4904	3500	RdrCEF.exe	89
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90
PID 3500 wrote to memory of 3596	3500	RdrCEF.exe	90

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\8cdea8f8f8155c3da1532dafa1950487.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:3232
- 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:3500
- - 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=103A1ADDD4030AB25760A7D051EC0E01 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904
- - 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=3ADDE575B86436129F236120BE8C890D --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=3ADDE575B86436129F236120BE8C890D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3596
- - 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=336B0046D638FBD0EF20F97D1D4BC187 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:400
- - 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=C5B283F35A8FEA918BF4DF56E302B346 --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=C5B283F35A8FEA918BF4DF56E302B346 --renderer-client-id=5 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1988
- - 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=39BF5D1AFBF468B59F33F8C1AD2045E3 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:836
- - 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=06EB3A25D8834AC8EB9532CEB19330AD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1836

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1860

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
81b62b69267d92f7dc4253edeb54f0a8

SHA1
ae314e20a28e56482243150941f466fc159cd628

SHA256
9017ffbf0d233c189641debead4609014e6e6e7cc24542224f4ad39e87dc884b

SHA512
552416df6a1160ca01367b66792bf1628934438613b7ddab991f0809b577a5396d3877e0785ea52eedae264b482a36757128d5e93bb29adaa4db5d53e5b510fd

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/3232-28-0x000000000B6B0000-0x000000000B6D1000-memory.dmp

Filesize
132KB

Download