f600161f898fd86332d639ea3a0c715a151f3337a840c18b5485be9e610f77af

Analysis

max time kernel
145s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 21:42

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General

Target

661b09cc18665147bcb4e9ccf50ef5bf.pdf
Size

86KB
MD5

661b09cc18665147bcb4e9ccf50ef5bf
SHA1

cbfbc0ab866709bbbf0530666b22b4363f52b4f0
SHA256

f600161f898fd86332d639ea3a0c715a151f3337a840c18b5485be9e610f77af
SHA512

5294759949225322fb207e985f3ec793541d3a4c971ae0885c5300d9c63a813e3b3eaf5495941afbcc0c9648a015556a5ba2870bf7b958a8e685de74dd4ef3a8
SSDEEP

1536:3xJ/KTvdfRHCfL3Qg8rLl6I4nEyl+96uFNWkNpOPaWUpNd3VmRn1Jia:hJ/yribQg8rLlIEyl+96u8PyPV41N

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 4996	2360	AcroRd32.exe	90
PID 2360 wrote to memory of 4996	2360	AcroRd32.exe	90
PID 2360 wrote to memory of 4996	2360	AcroRd32.exe	90
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4068	4996	RdrCEF.exe	93
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94
PID 4996 wrote to memory of 4616	4996	RdrCEF.exe	94

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\661b09cc18665147bcb4e9ccf50ef5bf.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:2360
- 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:4996
- - 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=349546316F64CB9FBB8A401332F5C68C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=A934CF1D5517C7E1430C489BE0B99671 --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=A934CF1D5517C7E1430C489BE0B99671 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    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=E944FBF9B84392E1DFCE2482792D77EA --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456
- - 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=117A8D3B26652F9BEAE96E81EB953DBC --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=DBABC4C516B0A3091A8C8E1126376B1F --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=DBABC4C516B0A3091A8C8E1126376B1F --renderer-client-id=6 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1760
- - 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=F283744C0AB77F5AC0A502E7CF4BD504 --mojo-platform-channel-handle=2816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4852

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
dd748cc2255a07ab8f955c2c369a183c

SHA1
55aa280dddb6bfe37cf93f2bc48a22564cae1f8d

SHA256
495ac8049f293efb0072c38d1a22830dde86de1a66f306399739a592e111d751

SHA512
a60384ef979be57e5ecf6fd132d5126b195375f31798accf8554c71d8ad467b190a32942858dc2bb16b42caa4e564fcc7e66a13b3f2a8121b8aca7a5c36fa2f6

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/2360-26-0x000000000C190000-0x000000000C1E0000-memory.dmp

Filesize
320KB

Download