267034696c5486267c28eecceca90dd88d6309dc9361b29051ee564e09b5ffb8

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 22:31

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General

Target

15e4f912473cdbfb48e75d5c4c388cc7.pdf
Size

89KB
MD5

15e4f912473cdbfb48e75d5c4c388cc7
SHA1

5101e95dabcdf440ea2d5193d96d5fc5fbd84088
SHA256

267034696c5486267c28eecceca90dd88d6309dc9361b29051ee564e09b5ffb8
SHA512

84e9e6892cc07af4da81f55272b3637243c7855ea91dbbe8fd575393a58702b9128a2f72f302113d1b8ec5af199ddf26c6bed6a528fc1b976da57f509706ac1a
SSDEEP

1536:gC54ZAwv0WIdDYDD05yfsoVMbwt2qUbugMZcrr1u/5h/WDQ+guXDdr14rEqHW8pV:oZAwsWNDnmbtqU74/zp8dr1eDa7O

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 3616	2508	AcroRd32.exe	90
PID 2508 wrote to memory of 3616	2508	AcroRd32.exe	90
PID 2508 wrote to memory of 3616	2508	AcroRd32.exe	90
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 2008	3616	RdrCEF.exe	104
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92
PID 3616 wrote to memory of 3076	3616	RdrCEF.exe	92

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\15e4f912473cdbfb48e75d5c4c388cc7.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:2508
- 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:3616
- - 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=64B8B96E391A66E447D288136CFCB13D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008
- - 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=302EEB2EE2101A438E8CA7C28D588D55 --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=302EEB2EE2101A438E8CA7C28D588D55 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=EB3CBCA4673583038756B6379402D943 --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=EB3CBCA4673583038756B6379402D943 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4300
- - 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=8944343A2F52DD2545F2302DC32905D9 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=CD8B33B7FD0A415D094907BFADD801AD --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1652
- - 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=281EA97E6DB1714BAACB7069EFD228E1 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:992

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:2008

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
f2f3d9b9e046df55d3a708a1b666b9b0

SHA1
ec6d51272f94dd422262f088d1f4cda59a28278f

SHA256
63a91ba7ad018a815ab336010d6c1331fb59cd5dae9099537cb58f67f9a03239

SHA512
278b331520340e468c635a5be1b713d9a2ca5dbf9fa3a6f4a32f48eb338dc667eddeb114558f16160907f4005ea975900895cf10e1d286bdaab6d6771550972e

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/2508-28-0x000000000C7B0000-0x000000000C7D1000-memory.dmp

Filesize
132KB

Download