1a086ec34127b4adb82a4ab415d1c24bf982ff0947462bfe8d205e7f58572844

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 07:17

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General

Target

3c398aaf1f197607cd2ab8b86af1b86f.pdf
Size

91KB
MD5

3c398aaf1f197607cd2ab8b86af1b86f
SHA1

f33a56256e51df90e78892579bc434f415c28646
SHA256

1a086ec34127b4adb82a4ab415d1c24bf982ff0947462bfe8d205e7f58572844
SHA512

b60b9d951aa9c40561ac417e80c7dc899b347da59750205d131ba609a7ba855f78878f71aafac5e0d91a8d545367dbf6db33ff774f0e9c274ddb375a68953104
SSDEEP

1536:VnxcgzwSRb/MVzashZxSXiTnQ9GyDCUrIggWu4Sudv5oWOpOwrKWvqM5jRwR/9U:HltozxxaiT5sIrKdRlwrZqm1w4

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3052	2988	AcroRd32.exe	92
PID 2988 wrote to memory of 3052	2988	AcroRd32.exe	92
PID 2988 wrote to memory of 3052	2988	AcroRd32.exe	92
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 4088	3052	RdrCEF.exe	94
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93
PID 3052 wrote to memory of 1532	3052	RdrCEF.exe	93

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\3c398aaf1f197607cd2ab8b86af1b86f.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:2988
- 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:3052
- - 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=5E6F1C3C1DC15877BEB3C8F14F2B91FD --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=5E6F1C3C1DC15877BEB3C8F14F2B91FD --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1532
- - 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=7F8BBE2A0912C7263C031D477E2C165A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4088
- - 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=CFEB22B42359DC4D45E488FE8F7B30D1 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1928
- - 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=B9E36977DD05F12310637872116A7A14 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:400
- - 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=FAA60F6F6633DADD6CEBB42A1C27737C --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=8B6C5C535035D4B219377A1593242417 --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=8B6C5C535035D4B219377A1593242417 --renderer-client-id=7 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1892

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
e6571cd2e5c026fe1f4c356285982a8f

SHA1
dd24bb6b0082c5c5b33596942d4d84b3e6e00ca0

SHA256
3ea432c21d77cb299e57976b358276b3bf69cb13ab88767484699b664c51cb55

SHA512
4a667aa77387bfcbc6f90b1e20b4462ab3e881fd79d581153bd4b7186916ff50e322e5de28c0447a38ff67441ba90a1e050375def18a91948ea8724c6131bcd1

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/2988-26-0x000000000C050000-0x000000000C0A0000-memory.dmp

Filesize
320KB

Download