4dc2d4c8c09a3a48411c85c16570e75703f4d397c802f4c3de297c0b88a57b87

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 12:40

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General

Target

7d27d2f511055e734f6f8e8013c0854a.pdf
Size

87KB
MD5

7d27d2f511055e734f6f8e8013c0854a
SHA1

9c26b120311f3c25f291be96ee21369707c56b87
SHA256

4dc2d4c8c09a3a48411c85c16570e75703f4d397c802f4c3de297c0b88a57b87
SHA512

68892bcc0d9f49b4e8d02ab9d0c5ff898289982a5a8e5d6d66ebb927fb2fa0dcbd155af3041f22acf2fb78de52a16ef08dcff2ed51fee2036014085127fea4f9
SSDEEP

1536:uAERpOCXOX1OhSzSqHDRS0R/j5UtSPIrWypOlLkfn9eWrOqCVeQ:ApOPFOkrHVJjUMNlL89hOhn

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe
1596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4988	1596	AcroRd32.exe	96
PID 1596 wrote to memory of 4988	1596	AcroRd32.exe	96
PID 1596 wrote to memory of 4988	1596	AcroRd32.exe	96
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 2496	4988	RdrCEF.exe	97
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98
PID 4988 wrote to memory of 884	4988	RdrCEF.exe	98

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\7d27d2f511055e734f6f8e8013c0854a.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:1596
- 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:4988
- - 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=88859A13B3561423D17EDB104F80B5BB --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496
- - 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=55F814B606ABB38F987A6DF7A9F558B4 --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=55F814B606ABB38F987A6DF7A9F558B4 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:884
- - 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=34061E5802620DCD6556651A88BEFA17 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=EB8A0F80372BEB46D6F0EA055279F4A3 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1712
- - 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=39D91DCB9840B90172C36DE8F28D073C --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=39D91DCB9840B90172C36DE8F28D073C --renderer-client-id=6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3556
- - 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=9759B3E03A67E640A2B00F0C7011F7FC --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4256

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
c11dae7fd2d081bfba866d37f31b48bd

SHA1
aa04898538f62855b7e419017ed8e809e98c0bc8

SHA256
4fc84c03025a8bda9b5abcfb1284a9f31c3e4f063b41d3337ccae945a6bd2fcf

SHA512
3552c90e21ba220af53dd51f5a2a44afc37e2796cd06cef74ae7484204edca76d32c18d78b7c89a89827075e37944d5efa0506d5a30c2c3940a9caa5826ca9e9

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/1596-26-0x000000000C250000-0x000000000C2A0000-memory.dmp

Filesize
320KB

Download
memory/1596-28-0x000000000C250000-0x000000000C271000-memory.dmp

Filesize
132KB

Download