27874b83a8280f7584e2b2c97be64f2127f4a3d9aea8001c219343e642d20213

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 01:23

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General

Target

202e3bfaac592faed80d14e24d3be240.pdf
Size

90KB
MD5

202e3bfaac592faed80d14e24d3be240
SHA1

ca83d9be1dbde7ed3d923742bf47563b4bb8880f
SHA256

27874b83a8280f7584e2b2c97be64f2127f4a3d9aea8001c219343e642d20213
SHA512

b918b60737c1561bb17d46a3a3cd2071360773cc3186f4a7d2b5be2014e2922ea8395dfb7682b4778164a39f58c98ebb4c37e77b217e4977db6f37adc403218b
SSDEEP

1536:HZsr27VUT15YW95horcGcMSI+GdIJHjBXU/2nhSYaJuUz4yyW7LxIOfWspORRqm:UYUT/YWXGrRpD1dIJFX5nMYaJfz4yIO+

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
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe
404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 4968	404	AcroRd32.exe	92
PID 404 wrote to memory of 4968	404	AcroRd32.exe	92
PID 404 wrote to memory of 4968	404	AcroRd32.exe	92
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 2420	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 4148	4968	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\202e3bfaac592faed80d14e24d3be240.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:404
- 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:4968
- - 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=032CA52038173EA664BD5F593450DF64 --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=032CA52038173EA664BD5F593450DF64 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4148
- - 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=326F662A4B07E0B1919B38880A7703C4 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2420
- - 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=1B71CBEEAECBF2A32E8A881D0DC553A1 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:720
- - 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=70FCD47E51BD0D306C5C71F707B990D8 --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=70FCD47E51BD0D306C5C71F707B990D8 --renderer-client-id=6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4696
- - 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=F523D4999E3EF434FB9EFAD9D8783FFB --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772
- - 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=21A816C50538834E35AFC2218916F9A6 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3972

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
29KB

MD5
a9183b79b8a6f04b98965ff14146541a

SHA1
a0739a0d583dcd32625fb5096f70965ff66d70e9

SHA256
855769f599b452c5f7d0c7344953239e6252dfa0737b81be48c3e4f0dc2c3542

SHA512
22824b67abae35827ef06e35a1802d40817b6ce189a7318b488b5f04765fa437b168eb423ae1f3e7d142ac99d869710bda320a8d3d25f673e7351943c8f301ed

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

Filesize
1KB

MD5
780d775f2ec016b80738845302097492

SHA1
6840d4ba8b1536babb0d718879faacd8c08465fe

SHA256
7014da4feddc633c8e710f6699ae186367131fcf8d7d3af4fb2d5bd82357c2f6

SHA512
554551610093c9f8cfa5010e0e36823567546b0ea1086faa28806aa74587f11b072cc736cacdd5d8ada9db78b029779a4940a3f8e0eddcc2d9a1d16585a76924

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit