f153ad3ec2a948359139dc1cf4f02006c2b728aa4cc8437972506cc738447c7d

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 04:56

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General

Target

8b73b1efebe0a3b6740cf2f78e53f612.pdf
Size

150KB
MD5

8b73b1efebe0a3b6740cf2f78e53f612
SHA1

4f8cf2a6e3cce8a963c6a57e39404a5665291035
SHA256

f153ad3ec2a948359139dc1cf4f02006c2b728aa4cc8437972506cc738447c7d
SHA512

d8f5d41f38f801683d90534d7197a0e8b198c22990597e11873dd883fba30ae4e539f929c47eca6e63ddcdccec5ef3c6767a8e88cfaa21049133c248a230da33
SSDEEP

3072:xP8TDMRt+pmPTSaS4HGH6p4jdN7e9MFaZCEeNy2TX:xP8GtMmP+aJs62jdkW

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe
536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 2656	536	AcroRd32.exe	83
PID 536 wrote to memory of 2656	536	AcroRd32.exe	83
PID 536 wrote to memory of 2656	536	AcroRd32.exe	83
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 4760	2656	RdrCEF.exe	85
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84
PID 2656 wrote to memory of 1364	2656	RdrCEF.exe	84

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\8b73b1efebe0a3b6740cf2f78e53f612.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:536
- 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:2656
- - 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=9E45B43D9938A2BEF31BE845693D04B7 --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=9E45B43D9938A2BEF31BE845693D04B7 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1364
- - 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=4C5C89D14D96B16B78F3FB3DBD8D02A4 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4760
- - 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=AC6D9B50D39BEB59F0E161D4ADCFA2B4 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172
- - 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=B65CCB21731C1E550ABD23D4E24E570E --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2420
- - 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=8A99F4D01A0EDD0AB0ACD34652EE5AC5 --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=8A99F4D01A0EDD0AB0ACD34652EE5AC5 --renderer-client-id=6 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:404
- - 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=D86F36D625E9F3650B12E07AB75626DC --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4696

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
a03c1d9e449d2cfab3060ea9ef58ee3a

SHA1
8da6c62398bd12419db0aa61606c2b030c934dc9

SHA256
35f3297eaa45366787a391318b7d8f322a7c9930ae7e6df3e75686fb880115bc

SHA512
a62ace5a67a3e6c333744c18f6871ebce6eab9ef740834c9dd354a6404d3621da8616b502539b3aa78e19346e37143e54777c9ef778f531bd347a71fdccf4576

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/536-28-0x000000000F290000-0x000000000F2B1000-memory.dmp

Filesize
132KB

Download
memory/536-128-0x000000000F290000-0x000000000F2B1000-memory.dmp

Filesize
132KB

Download
memory/536-135-0x000000000F290000-0x000000000F2B1000-memory.dmp

Filesize
132KB

Download
memory/536-142-0x000000000F290000-0x000000000F2B1000-memory.dmp

Filesize
132KB

Download
memory/536-150-0x000000000F290000-0x000000000F2B1000-memory.dmp

Filesize
132KB

Download
memory/536-214-0x000000000F290000-0x000000000F2B1000-memory.dmp

Filesize
132KB

Download
memory/536-222-0x000000000F290000-0x000000000F2B1000-memory.dmp

Filesize
132KB

Download