1c39986e15ca2ae86467f4b2a213edaaff691cbb8f4db161715f30e0fc6fc2e2

Analysis

max time kernel
150s
max time network
156s
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, 13:50

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General

Target

50ba45c396fe72ffadcff01eca9dcb15.pdf
Size

88KB
MD5

50ba45c396fe72ffadcff01eca9dcb15
SHA1

342941ba18a6fb9010ddd69276d65ef727b6def0
SHA256

1c39986e15ca2ae86467f4b2a213edaaff691cbb8f4db161715f30e0fc6fc2e2
SHA512

e73f0521aa8cf5cfe53bde187370ef4e3608cd90458e660d1337652ce15f3d97a246132fe9c53591b074550abafab2496678904659f07e3ad87dc6e03f255b76
SSDEEP

1536:P+K8pZBrkKiLCFsgz0Kst/dUozQJ3uB19I7+tgVdqW9cGRBxWapOtQDqh4xeSVY:2K89rFiLCmS4iozQJ+5I7Zd7cAB+tQD0

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 1084	4828	AcroRd32.exe	90
PID 4828 wrote to memory of 1084	4828	AcroRd32.exe	90
PID 4828 wrote to memory of 1084	4828	AcroRd32.exe	90
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 1124	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	RdrCEF.exe	95
PID 1084 wrote to memory of 2516	1084	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\50ba45c396fe72ffadcff01eca9dcb15.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:4828
- 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:1084
- - 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=D37C97329D18432E32FF2FF78797927B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=6578F8C7B37DA69391AE8AED16D626EB --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=6578F8C7B37DA69391AE8AED16D626EB --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2516
- - 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=B2772150B9AFF490982AB570AD6E1F36 --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=B2772150B9AFF490982AB570AD6E1F36 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3936
- - 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=7ECD9FF8D8481FD2784F74787C6DD4DB --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116
- - 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=01E3ACCA6B1FB058EE44D0886BA5DA6A --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636
- - 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=78073C49EF3A8D68256C893102BB99EC --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4264
- 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:2368

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3528

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
7fee72128ad24dcb93f823a69cf7c1fe

SHA1
c37a8d9e9dad36922cf47dd9b3d98d7aed5241ae

SHA256
9b9d3cdadfda608adf9b6e9db85bfb836479523f24e2edf725f85b1b6fbf8488

SHA512
283dd532f9f715f8a99ae76824324ea1f860cc84b371915810319bbce4465599c176dd74d5ba707957af466900a414462f41cf65f8cf6c490c7df6e16ff43143

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