e13fb6831d1aded02453cfe103ff7d3d304c3093cdf7bc0e2a1c828092d13e05

Analysis

max time kernel
141s
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 14:27

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General

Target

1b66547a2d688c100b2ab916c8c15a97.pdf
Size

47KB
MD5

1b66547a2d688c100b2ab916c8c15a97
SHA1

69407deb69bb88b8c175df42862a51d5c6278a06
SHA256

e13fb6831d1aded02453cfe103ff7d3d304c3093cdf7bc0e2a1c828092d13e05
SHA512

4030909366a17f0aa32da0b52ff8462ff2a1bafe4d23bb73dfbceac0e909b195b39a4293bc8b0f7495a8f9f7168239d2cb1a48345d006928289e39fa43bb6e60
SSDEEP

768:c/T1bZkCsSAwuxGHQ0vGogfiz5R52HqlcsYqJuY96O08rT8cqKnDuORjS+cQSQu:c/ZbFsCmGHQQ1nzZcFgd0KT8MCwjS+Du

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 3148	1080	AcroRd32.exe	92
PID 1080 wrote to memory of 3148	1080	AcroRd32.exe	92
PID 1080 wrote to memory of 3148	1080	AcroRd32.exe	92
PID 1080 wrote to memory of 4908	1080	AcroRd32.exe	93
PID 1080 wrote to memory of 4908	1080	AcroRd32.exe	93
PID 1080 wrote to memory of 4908	1080	AcroRd32.exe	93
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 2160	3148	RdrCEF.exe	94
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95
PID 3148 wrote to memory of 4076	3148	RdrCEF.exe	95

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\1b66547a2d688c100b2ab916c8c15a97.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:1080
- 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:3148
- - 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=32F23509FC8FED1491AD3D5B933925B9 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160
- - 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=BDC3181E058C30CCF42663BF66EA49BF --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=BDC3181E058C30CCF42663BF66EA49BF --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4076
- - 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=B1B53F0EBD9E46972E4D8C1673E4F574 --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=B1B53F0EBD9E46972E4D8C1673E4F574 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1908
- - 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=6AA5F8725BA55378C6DB25C15ED0BD6F --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3816
- - 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=3E7523C98B5E4DB37E5B87E6064E9EBF --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=C74A8507594F6364EB5CE62E5A2A2DC0 --mojo-platform-channel-handle=2768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- 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⤵
  PID:4908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2652

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
b47df007a16733afc1516948b7e34dc7

SHA1
58b8ce0a5f9a516e78a35777673dc9292e0373e4

SHA256
32e5573abd6490dd5d0d79024a1e74987156f89d51968a87f65bde3f7da925a2

SHA512
d6325bd4c2bfa430fbbd415f6beaba11092a99c6d4675d300d08d4729647ad580b78a0f901dcf0cc82c61716dfe27551062298ae41446f47e91ef4667fddf996

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/1080-137-0x000000000A290000-0x000000000A2BA000-memory.dmp

Filesize
168KB

Download