bcb1e4317c232e4cd7ded445c88566a5dbf324be5b1f15204f157edde4e94639

Analysis

max time kernel
163s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ad910dde423512094848b1570f178845.pdf
Size

73KB
MD5

ad910dde423512094848b1570f178845
SHA1

275fbea1cd9ef5cd2cc4a032a4acb4941446ec63
SHA256

bcb1e4317c232e4cd7ded445c88566a5dbf324be5b1f15204f157edde4e94639
SHA512

4499350bcd495642f20143892ae2bf159971bac426f8b967ae5e38331e4355721f3ecc5115f87265633aeaa98f025d41aa50e3aa00c4307aea1cbe1d19bd74ae
SSDEEP

1536:fYl55Mv+4z63ft0mMnDdxafJcV787sRBscv6IO/rC7H/W5IIAb17kwTxJZ9qM:Ql55MG4z6caRc+7sEcv6Zo8IlkKxJZ/

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
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2332	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe
2332	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 1008	2332	AcroRd32.exe	92
PID 2332 wrote to memory of 1008	2332	AcroRd32.exe	92
PID 2332 wrote to memory of 1008	2332	AcroRd32.exe	92
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 4800	1008	RdrCEF.exe	93
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	RdrCEF.exe	94
PID 1008 wrote to memory of 416	1008	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\ad910dde423512094848b1570f178845.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:2332
- 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:1008
- - 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=4FE1B9874727FD83DA8484C96524688D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=09FDF2AB9399FFFD238783B53B47C449 --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=09FDF2AB9399FFFD238783B53B47C449 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:416
- - 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=B514822C8E51CE5CFC193EB6E1BF1E76 --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=B514822C8E51CE5CFC193EB6E1BF1E76 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:700
- - 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=5E763EF11E3795173794DB3DDEF2FC51 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=22BA82C8AE99FEDCF791C0EDD62540FF --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=39537CC8AC31EEB0F58DB45F59D391CC --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3912

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
bb61dd4b07d3f4a94f485aff4aa9bf5b

SHA1
2859de2dd73f4e67ff602e9962da5ab1d221daf5

SHA256
f0e6edcb503b302181111ffc243be7d94cbdb84b0b308760a3bddbf9aeaa5b48

SHA512
c4e07e02915f6ef620eb1a7c09ad6ba24f614b4d55f3861fb42f1963ee1dbe08c9c8b26cafcf0f222e381b19bc26b7b7d4018bf89f84e081e89b61779a490867

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