54d7e6064cd8c7430ea84f88d78d9d24d7c80f6137ffb019e5fe9785e6ba7cc4

Analysis

max time kernel
150s
max time network
154s
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, 06:14

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General

Target

4fcd8ae56461c27e91934eccc866b8d2.pdf
Size

83KB
MD5

4fcd8ae56461c27e91934eccc866b8d2
SHA1

1bcc41477c148fe979453dfe13ed08f2774b29c9
SHA256

54d7e6064cd8c7430ea84f88d78d9d24d7c80f6137ffb019e5fe9785e6ba7cc4
SHA512

228f36685f3e6933b75561ff7b8187230f71412b573faceabb85fde2b32b2656b1d1b8173bcdbb3047a4452c804a25b54e3ed2f75f5f6a16e5f4c9a2361e2528
SSDEEP

1536:dK0E1XAdaxCeLDndAWI+1Re0Wun80QLe0HSx8bAxaZ1aWc4WhiP0hpMZfKN5ZWbs:QfVAdk9L2WbMSn8jq0u8ME1asPqMZfuX

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
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 1752	464	AcroRd32.exe	94
PID 464 wrote to memory of 1752	464	AcroRd32.exe	94
PID 464 wrote to memory of 1752	464	AcroRd32.exe	94
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 868	1752	RdrCEF.exe	95
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3272	1752	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\4fcd8ae56461c27e91934eccc866b8d2.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:464
- 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:1752
- - 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=3B08F369639134D06623FBE254E08E3D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868
- - 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=AC75118D712D16A248187EF646DF04E9 --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=AC75118D712D16A248187EF646DF04E9 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3272
- - 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=DFA1F272ED1FAD6B5D3AC6E43DD71DE6 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324
- - 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=6E0CA4AF8E12BF6EC14F597FD2B66025 --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=6E0CA4AF8E12BF6EC14F597FD2B66025 --renderer-client-id=5 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1188
- - 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=71798860806E907B383CCE05B1A28578 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3928
- - 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=FF3D08AF90A721E7B4E9A7FD91A5C72F --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3956

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
5d214a01edf8ac387860806450c0fbc1

SHA1
ab48cf8889e804ef49dabf3ce97b45529e6c7c2f

SHA256
a8447741c877ef10b1dbaf8eb3f698dd041d571b3e0e44cbb0f0a8729700afdd

SHA512
21a9f90b1985957b30548794841a404774679bb9f1aa832d3c794990ba0f6e4019bc5f516a5a7474810f0fe183c0150f94f4c6f09b9e470d7831df48da5332e8

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/464-27-0x000000000C550000-0x000000000C571000-memory.dmp

Filesize
132KB

Download