622ed30eff1ccb77eb42eb2fc81bc3ee0620146d29981c18a8d60b8fe1b91711

Analysis

max time kernel
149s
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
31/12/2023, 06:44

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General

Target

2c16d8e695cd248603725966b49d47cf.pdf
Size

88KB
MD5

2c16d8e695cd248603725966b49d47cf
SHA1

e6c7b20e33e9351fc3dc23bf9560947f263eb0a1
SHA256

622ed30eff1ccb77eb42eb2fc81bc3ee0620146d29981c18a8d60b8fe1b91711
SHA512

ab72c52ef52c7243d296d6409885b19ecf9a954b2e8619d5cd70806ff6e07bbe6d255fe0f8491d4927eb318dbd60cd3891497eb2a92946d3b855b92ac27d6c0a
SSDEEP

1536:lHYfv5o7gXPa6JsIct5C+n8375Y4loAaqOwL9ASmRAWOpOwrKWiIdzl3pyKdAO:ifhKgNah837+pkyjRdwr9OC

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 1352	3728	AcroRd32.exe	92
PID 3728 wrote to memory of 1352	3728	AcroRd32.exe	92
PID 3728 wrote to memory of 1352	3728	AcroRd32.exe	92
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 4720	1352	RdrCEF.exe	96
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	RdrCEF.exe	95
PID 1352 wrote to memory of 2036	1352	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\2c16d8e695cd248603725966b49d47cf.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:3728
- 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:1352
- - 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=250D357602D8520390E424949B3F5B97 --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=250D357602D8520390E424949B3F5B97 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2036
- - 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=E0133A5761E52F6391EA8472EA505F68 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4720
- - 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=AF6CF5F3F0C4ADCF7C115F01B3D90071 --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=AF6CF5F3F0C4ADCF7C115F01B3D90071 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2504
- - 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=E27F5FC35DF1FDB88BBD377AAABA79EA --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4760
- - 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=497A80CD2E111F7C7385075A04046DDE --mojo-platform-channel-handle=1788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592
- - 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=4FF322CFB6B6285E41954653E2152C6D --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556

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
06addb1cb509d2185a70dee443d1cc88

SHA1
2a93a05eb38aa7ec4dd52667dce8a4e7d8e4ca10

SHA256
d1604e84e11d6b8eab278425556dde9aaa88334b69a028b8c541b03afaf37cb4

SHA512
2d2d82f042e47f38e82e223bc33495df267ec6d827e3d8b370156c55b69754635827b42c33dc8833ab89519da99e39d7fd8095cf22383185442cec9d193ddecb

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