9122703e68ddd644f2e4184460a22c038f9c5e7c86a756f704b5be589db5970d

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:00

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General

Target

3712d4adf8de8649d79db213a5d210c6.pdf
Size

84KB
MD5

3712d4adf8de8649d79db213a5d210c6
SHA1

2b59ecc9daffd47bdd2cd18aabc90a1891bd1093
SHA256

9122703e68ddd644f2e4184460a22c038f9c5e7c86a756f704b5be589db5970d
SHA512

b3d67a1cfc8b34c44787dd9b108c35f9613e1ddb7225d0c342d67e05449815aa224b015613805015819e899d4ae6ee32103697d33ef25284c977ed4d41f6b3f7
SSDEEP

1536:YqOGLaJkXbsrs1YEni2H1Ozoxd6UpkDwV16vzqW6pOu26W2kOrc0SKaW:3OGWZY1YEni2H1Ozob/rV1+z3u28kovp

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5112	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 3860	5112	AcroRd32.exe	93
PID 5112 wrote to memory of 3860	5112	AcroRd32.exe	93
PID 5112 wrote to memory of 3860	5112	AcroRd32.exe	93
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 1248	3860	RdrCEF.exe	97
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	RdrCEF.exe	96
PID 3860 wrote to memory of 4956	3860	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\3712d4adf8de8649d79db213a5d210c6.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:5112
- 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:3860
- - 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=64FAF08F658FCEA971E8E1B9FC7A34F0 --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=64FAF08F658FCEA971E8E1B9FC7A34F0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4956
- - 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=7344D741F8D3AA16E94979F095BA7DCB --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1248
- - 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=7ACD91E9297C927BE9F3CEEDE70D5E63 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1376
- - 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=D79E612B76ED47CA4BBD75258BCCCEDC --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=D79E612B76ED47CA4BBD75258BCCCEDC --renderer-client-id=6 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:512
- - 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=85AFF51D5B0381C8DCE3E61E4997F4B1 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336
- - 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=660D5FA1771D9EC8D2DF58F117F911C2 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392

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
4075031c9c14b5c8b12b311e85e2e2cc

SHA1
6918e15c9f4b178591d2586f4f88290c0a521fdc

SHA256
8dfc5d8abb55010bf334559d99c0ae5e2d32eef17029db24db29dc9b36e5fef2

SHA512
03b75836f984e18e351ab76e761bca827de1e3780adb92049244d90fd6e5bd6e6b73435436643b9f2a3e348354543f857c177ba9c7cd5f419a4b3b08fbfacdc0

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/5112-26-0x000000000C420000-0x000000000C441000-memory.dmp

Filesize
132KB

Download