c9e15bbac39ab7563255a9fa239c04df6e1a6ce989ca9415714341028447aa7c

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2024, 21:58

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General

Target

3f21a7ca018cbd4c243b83b1cd42e112.pdf
Size

91KB
MD5

3f21a7ca018cbd4c243b83b1cd42e112
SHA1

6f6ac769a0d178a605c3d497d6c449c22c2c9445
SHA256

c9e15bbac39ab7563255a9fa239c04df6e1a6ce989ca9415714341028447aa7c
SHA512

b792312aab90f7dccf367ef4bb4c11a65468ac8f4be4032e41a71c04f7a0e736a31a9e8c7533822b3d8d0d705625c612198c19d04a5428e855856a2dfe81bfef
SSDEEP

1536:QIJ7L0iEAyBgtYR9x+9xUaTVXK3mdCkBPnENFJQFf6IvFWOn8Cy46nxWspORuWNF:RJ7L0f2aBEUa43KCi/8FJu/6noRuu

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
408	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe
408	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 2632	408	AcroRd32.exe	93
PID 408 wrote to memory of 2632	408	AcroRd32.exe	93
PID 408 wrote to memory of 2632	408	AcroRd32.exe	93
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1320	2632	RdrCEF.exe	96
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97
PID 2632 wrote to memory of 1668	2632	RdrCEF.exe	97

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\3f21a7ca018cbd4c243b83b1cd42e112.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:408
- 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:2632
- - 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=B497A08CEF65E43DDBF7B74681A4E17E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1320
- - 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=9A91D5DAD20D62197DD2716A361282D4 --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=9A91D5DAD20D62197DD2716A361282D4 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1668
- - 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=83EA17DFB219E7FD2E509616C65131D8 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2344
- - 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=4D299DE97CC62693D86BA2A69D9D9231 --mojo-platform-channel-handle=1984 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=8972D2F3669088A80C9B15ECE883CBF9 --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=8972D2F3669088A80C9B15ECE883CBF9 --renderer-client-id=6 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:548
- - 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=F734F80FB2C9011089C14CEE3F5B4738 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2284

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
f15fd199c5e5a1ecaab7b98a959c6572

SHA1
125eed219cd3b0682381330a0f77e3206a292b3b

SHA256
ac85acc648e47a691608ceeb1b3cad54ed069681fc53e541b04ce15b758cd2e2

SHA512
29a5f02517a66528cf64f85a5d164f3fecc3f752abdc19ce299f931498052ee7e01ea571d4c29cbd79246aa163417243bab3fa794f0800f94fe42506a8270df9

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/408-134-0x000000000D160000-0x000000000D2AD000-memory.dmp

Filesize
1.3MB

Download