b932051d66487555ddaebfde6fffd030724650ec5d58b4fbc0faa6cb89934e17

Analysis

max time kernel
147s
max time network
161s
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 04:49

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General

Target

0f0eb96ff279cf632851d426ed30a537.pdf
Size

78KB
MD5

0f0eb96ff279cf632851d426ed30a537
SHA1

8f060c2a06254af5d8a382868c6dd01ccd323d79
SHA256

b932051d66487555ddaebfde6fffd030724650ec5d58b4fbc0faa6cb89934e17
SHA512

2000961f1c46ac7bc6d4407f42ca6a71a36fd0443bfac8a245912ee48223cc1a68b446e50b73d1a2066ab4b9dc145550b7059228634db78fedebce5b11db9a6e
SSDEEP

1536:On60Xf+lFY0eGaj9+aTe9mI0TRW1m3Hhct7FtrR8WdWw1GxeWQpOCmIX5:AnvGFAGaP9nTR33ibqxRCD

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 3776	4992	AcroRd32.exe	92
PID 4992 wrote to memory of 3776	4992	AcroRd32.exe	92
PID 4992 wrote to memory of 3776	4992	AcroRd32.exe	92
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 1568	3776	RdrCEF.exe	93
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	RdrCEF.exe	94
PID 3776 wrote to memory of 2864	3776	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\0f0eb96ff279cf632851d426ed30a537.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:4992
- 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:3776
- - 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=2AB2893A253D95FBEDE0451FCFEEE717 --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=2AB2893A253D95FBEDE0451FCFEEE717 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1568
- - 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=8267D7FB00CEB8FFA2E08E28F85AB946 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=5FC3F39F0E4B75E5E19C368265916FC5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324
- - 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=89C1C53DEBA2702BAFC4D8F5D68A299F --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=89C1C53DEBA2702BAFC4D8F5D68A299F --renderer-client-id=5 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:64
- - 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=7F7CDECC218E15A6A60852BA084A0098 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3156
- - 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=3341A9BEE27AF50DFE4921244D90C3DF --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1780

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
8db92851ca2286735fd08729a1fce1f3

SHA1
e33e1470af18aed5a3e8dbc12797d44a56012079

SHA256
6a636744add245a3c67099da11cdb510ee4450ed97b19bf188faee0de6cd9b43

SHA512
8f7e80435f26d33eca604ba830692d74450cc50ef6b0fb34512c218bac586cfb74310f639ecf353389547b39dd5ed5010f351468f6032d00c0bbd9b908f21ccf

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/4992-30-0x000000000AC80000-0x000000000ACD0000-memory.dmp

Filesize
320KB

Download
memory/4992-31-0x000000000A6B0000-0x000000000A6D1000-memory.dmp

Filesize
132KB

Download