3f04d3267f818beec7a5f29a7780282bdf862a71669230b796b77700a494b55d

Analysis

max time kernel
150s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2024 21:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

163.5.169.28/SCAN-atoletter5.pdf
Size

169KB
MD5

c5de2a211a2580c04d1b5349651d3e4a
SHA1

81a25e710c7dc63b10220dbdf39dc48ff11da5f3
SHA256

57b4117e2cf9ab76ed554c2bbf192b9868b94202ad5aaff05a593cf3d4630f85
SHA512

ad3fead8c0e7820e008bdd9f90b443a20eab0dde9d51a1035e8b40f070d7e381e641a8ae00911bc8c0a4a8e341a9a73e3ee133b78abddbbb442f00ce28efd51d
SSDEEP

3072:NPAr51Wqu9r1RRVgz/hdcJ0XWLtSsi6dzRov5dMWP4y0LUD:UBuxHgrI9cLDTMPyoC

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 976	4832	AcroRd32.exe	93
PID 4832 wrote to memory of 976	4832	AcroRd32.exe	93
PID 4832 wrote to memory of 976	4832	AcroRd32.exe	93
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 2880	976	RdrCEF.exe	97
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96
PID 976 wrote to memory of 3932	976	RdrCEF.exe	96

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\163.5.169.28\SCAN-atoletter5.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:4832
- 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:976
- - 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=A6D8D6BE0A6128BAB219F8FF8264BDE4 --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=A6D8D6BE0A6128BAB219F8FF8264BDE4 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3932
- - 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=C0CFCDA2AC21A15C04FC0C9DF6BD6844 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=06521A87684D681240B76B8AA53F7093 --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=06521A87684D681240B76B8AA53F7093 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3128
- - 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=0E7E8CB3D0BEF365E12DE4D79A84827E --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=A7E693E1A53CD2FB57B05135FAA779DC --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4448
- - 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=D43EE18B0CBF921129808B78AFCD8E4E --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1636

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
607b0fbe5f59aeefe5a2e3d46d8e3c30

SHA1
299fa820581eac77e5e72b45e4838ce4176f89a0

SHA256
ace3344ea34899f69adbd96e6c97a25f8e93ac980de7735d2e9f7b07e967f216

SHA512
286e6d141004a4e54393d59e2b534f9d60fac7cebacbfa31b36fd5029221ba96c99013c3640c77902c0977eaad284c8cae0537e395bd16599a338f0ed4b2c03f

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/4832-34-0x0000000009BB0000-0x0000000009BD1000-memory.dmp

Filesize
132KB

Download