6aa3aaf7e76273a44f018fc371ecc53be3181f778628fb30465f3177edc9df05

Analysis

max time kernel
142s
max time network
152s
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, 23:51

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General

Target

75d58e09e64d97e08dacd3e08ef32731.pdf
Size

43KB
MD5

75d58e09e64d97e08dacd3e08ef32731
SHA1

30e67d0eb634f6457fce6a3128355f6a0ad17c30
SHA256

6aa3aaf7e76273a44f018fc371ecc53be3181f778628fb30465f3177edc9df05
SHA512

54ae7b6b8d1b5323a92233459d7eecb9827b91bc8f416dd27c3614a271bb0ed7401c38bc4f724333864d484edd52154737fc19bf829fc261c6ccbcfaf3ca419e
SSDEEP

768:eHcwbxbUTwZd6ujVK/SuzoP2Mve3bN4TdUPmrMaDBYOY:eHxbeeyp8P2MvobN4TaPOMarY

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
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe
4144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 1084	4144	AcroRd32.exe	92
PID 4144 wrote to memory of 1084	4144	AcroRd32.exe	92
PID 4144 wrote to memory of 1084	4144	AcroRd32.exe	92
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4268	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2160	1084	RdrCEF.exe	95

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\75d58e09e64d97e08dacd3e08ef32731.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:4144
- 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:1084
- - 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=340739E87168D02BB88DDEAE47C7B081 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=D8E95BF6910C58A1C13A69534DDC6C6D --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=D8E95BF6910C58A1C13A69534DDC6C6D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2160
- - 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=0FB0A9FAE3157B10CC57306BB76842AA --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=0FB0A9FAE3157B10CC57306BB76842AA --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2396
- - 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=4EBD3D26D41D550C217B27D228FD2E23 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564
- - 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=E08BEF8E7A7E77CCB5C914C17D820187 --mojo-platform-channel-handle=2628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504
- - 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=4C0B4F1CA1990CD0CA3E63634C52395D --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2896

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3452

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
ad9135eae7fe030a3d6cb8372562475c

SHA1
e43471d165e28482f4a5b2a3c5749149365c30e9

SHA256
576ab182ad796d47ca99e05674043913b1598a8eb2e1ef41c835ee4f2ca9add4

SHA512
62506661278d0156f7c64112cb291daeac9f016d6b637d0de268f79d1a2ba94fae9e82946bfe97d25f43b002b58e35542c00f2db7fff7bf2b43b9166c69e760f

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