460fe37ff7761ed9809dc50796a8a42d0c14ac197cf2095915d6a9374792813d

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 22:02

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General

Target

b04a1bdff05df615d71892513f2fab0a.pdf
Size

80KB
MD5

b04a1bdff05df615d71892513f2fab0a
SHA1

7d73ac6be9a050b1de01216fcd68b2579413104b
SHA256

460fe37ff7761ed9809dc50796a8a42d0c14ac197cf2095915d6a9374792813d
SHA512

51d18d919fb1ed02b35850259ada80f635eee061bc5db1135fd6f025ed1fa421a177363a1ffcf25f05efe9b539b9b76c6a1fae62b966644ea0a39dabf98674a4
SSDEEP

1536:WFpspCiBvzslbJ1Qd+W8spQ3LfdzhoRKgWapOtQno6gXAV0YWSQc+CNoQ0Mv:CpsYiBvwlbHQd+W8s+L1zWytQncwV0TQ

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 4588	1792	AcroRd32.exe	95
PID 1792 wrote to memory of 4588	1792	AcroRd32.exe	95
PID 1792 wrote to memory of 4588	1792	AcroRd32.exe	95
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 4076	4588	RdrCEF.exe	96
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97
PID 4588 wrote to memory of 3868	4588	RdrCEF.exe	97

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\b04a1bdff05df615d71892513f2fab0a.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:1792
- 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:4588
- - 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=6D12302281200AB4778E91BBF3F56469 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4076
- - 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=5624B91CB9ED96947B54F0158D735346 --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=5624B91CB9ED96947B54F0158D735346 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3868
- - 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=063240F7014D88D77DBF48E9EA3254E1 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=B1BF555E2AA7FBEDE2BCA12363CFED20 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4528
- - 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=0558A995EC8E6F546268B5A165F3F1C5 --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=0558A995EC8E6F546268B5A165F3F1C5 --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:876
- - 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=B8B5E121D8BB5A55AA4736EE7F33C500 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3464

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
15bed7eeec029f7dfcdf16341e59d793

SHA1
db4089e69056b50221ecc3308cc6d8eebe8d3432

SHA256
69d4e88481765e0460717cc3d2a0b5e423003315c97412fdf3fb1d5f5603725c

SHA512
7fd895775dafd7aa046ee16bfb7f53c3d241dac5720401c5f303713e66dc6f362891c239b16b7c2160e827239a88a15522c7f92e34aaf8ca640abbf0a9e0fc47

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