f5eb27c3b635b8d48555ca754d1536b319a3618391d1816ba7096d3c60482f4f

Analysis

max time kernel
150s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 02:41

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General

Target

0c015f9bbb760ddf8dcb8ff848b5fb78.pdf
Size

94KB
MD5

0c015f9bbb760ddf8dcb8ff848b5fb78
SHA1

f0d483dbab404b0b297d86c5275dc2ad3bb259aa
SHA256

f5eb27c3b635b8d48555ca754d1536b319a3618391d1816ba7096d3c60482f4f
SHA512

a3906571c404486a278a6a8025c129a8625ab667679c1993897865e1ed4d04ffc05cefc3ef42484db525f606356fa390c5b391076ffe05afbde657eef0a71348
SSDEEP

1536:2NFYLI05tREclfq1cOT3ZNUop8gj2mnAHRzzCgCT/uWOLNnjWZREAzuWxApOGDew:k4pjTmfJjpr2ywzzNCTolmREAz73GD3

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 1036	3704	AcroRd32.exe	92
PID 3704 wrote to memory of 1036	3704	AcroRd32.exe	92
PID 3704 wrote to memory of 1036	3704	AcroRd32.exe	92
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 1724	1036	RdrCEF.exe	94
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	RdrCEF.exe	95
PID 1036 wrote to memory of 3672	1036	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\0c015f9bbb760ddf8dcb8ff848b5fb78.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:3704
- 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:1036
- - 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=4CA919A0638EC07000009BB4750CE50E --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1724
- - 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=D7F5D008969E083234DC992561C45151 --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=D7F5D008969E083234DC992561C45151 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3672
- - 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=E9E058B4585F7404B13A9519E5374B0B --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=E9E058B4585F7404B13A9519E5374B0B --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864
- - 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=46195F812F2BC795267871AE6B909AE9 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472
- - 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=D3A21C5E5B758FFAA30AB96D92EADB67 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584
- - 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=4CC8F269ACCC1D3870507A7405056CA7 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2248

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4996

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
bbfec3241ddc1cce76792ba5a36a92f7

SHA1
9b35756e8a28a0ec26a318a5e579061a5b2dabc3

SHA256
d664e06dfe6c987bd25fe684c9a003d9f92eae5803851b24f4aa36c9b13f2ff2

SHA512
871c1de57c331ec703c7c6d9d7646e418a495a2b73cea3381ba298ac350e8457cbe17de4a0ea68f1126aa21a63f111fd8c41279df7380a8f8e84d4b7f1985b88

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