13facc733b1663f8bb38c8303698645c4705b319295d7d6bbb86d0e02436dc7f

Analysis

max time kernel
149s
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
30-12-2023 14:18

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General

Target

1b2f95e26cf3a1e9a55dad1076d72e00.pdf
Size

35KB
MD5

1b2f95e26cf3a1e9a55dad1076d72e00
SHA1

8bf05da035c6f4598fe519cac432457ec412e7ac
SHA256

13facc733b1663f8bb38c8303698645c4705b319295d7d6bbb86d0e02436dc7f
SHA512

77da6db14a9c6374d8a0cb6b2381465d69ed876e9e9088b8e853f61c42b48ac85907b6f54d5ca9af65a64997cfab4da0d1d491252e6eb6d6b96a85f6a97f5fe6
SSDEEP

768:8s/qMmjhwjv+H9PLFpSh4jyIZt00UfyRd8M:jihwE1zSe5PbSs8M

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe
5420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5420 wrote to memory of 5304	5420	AcroRd32.exe	93
PID 5420 wrote to memory of 5304	5420	AcroRd32.exe	93
PID 5420 wrote to memory of 5304	5420	AcroRd32.exe	93
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 376	5304	RdrCEF.exe	94
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	RdrCEF.exe	95
PID 5304 wrote to memory of 4284	5304	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\1b2f95e26cf3a1e9a55dad1076d72e00.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:5420
- 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:5304
- - 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=FB0BA54066EB2396985AD92F43B84818 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:376
- - 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=2D9B527D825A1363F14B8B4C60B1B4B5 --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=2D9B527D825A1363F14B8B4C60B1B4B5 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4284
- - 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=A9D4A29EEFDD5FE38F41DEAAAEF4607F --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:896
- - 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=EDAF1D93F0559563B8F420AB097E2583 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=3FC6D226266F5766737DA71503C88ED5 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=C997B68DEC140EBEE4034D590E49C6D2 --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=C997B68DEC140EBEE4034D590E49C6D2 --renderer-client-id=7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3972

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:6084

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
c276b1a5a4f645a6bbea1ad9ba608a37

SHA1
b8ead84127dedccd98aa34fb00e937fbbe3e86e4

SHA256
d17179769223543b291af9f5670891e03606edf226d85c9ce2e9ee13b503586d

SHA512
dd5dc29b033f1d683d57a4654c1c7a01afc6482932b75fd69da88f2d37f9819e60baa917ea860050676e7d7eefd908c4c987e5b1f3e4052252d35815fd4957cb

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/5420-25-0x000000000A360000-0x000000000A3B0000-memory.dmp

Filesize
320KB

Download