5cde2da54a551e703e45d42111a2dba4853241d906e4fc13033ff63359f5bc48

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 01:46

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General

Target

4d048d1c7166bcc60427198965eb68f8.pdf
Size

161KB
MD5

4d048d1c7166bcc60427198965eb68f8
SHA1

3c31329fdf8d7ccb7f4e855a80585c79660db6b2
SHA256

5cde2da54a551e703e45d42111a2dba4853241d906e4fc13033ff63359f5bc48
SHA512

1896469c590d619aac664e8b92e4a802f6e9e92347ad329878b0b01179c0b33b6b76d3252c36d17681b6896bad8310ceb5bdba47be6a41cbf98a6ed7cb3748a8
SSDEEP

3072:gQQ7lkaMUW+PDS61EwrKWoK/tP2lW8t436URl8raYn7vufNbn2CJtEbEcz:gxkavBZ1EjuPCA60l8WY7wNXEbL

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 2260	4616	AcroRd32.exe	94
PID 4616 wrote to memory of 2260	4616	AcroRd32.exe	94
PID 4616 wrote to memory of 2260	4616	AcroRd32.exe	94
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 1504	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 3456	2260	RdrCEF.exe	95

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\4d048d1c7166bcc60427198965eb68f8.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:4616
- 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:2260
- - 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=CA5067B42BF44CBA9A14B215B4E494FB --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=CA5067B42BF44CBA9A14B215B4E494FB --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3456
- - 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=B993FC57C889A6325AF483E38E2535C5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1504
- - 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=29C5719CF1FD4962CFCA101A90320BDB --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976
- - 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=2D1F8A4011068E786BB2DC5AE076D7D8 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056
- - 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=58F8DF01EC94B13E794F19716772179D --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=58F8DF01EC94B13E794F19716772179D --renderer-client-id=7 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    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=27ECD5C84EE6F6EF3E5975DB21F47F2B --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4536

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
d59560140a8f5733db0d24b3575b85ea

SHA1
4e405faff8ebc6eb646ea8e0b7facf85106aeed0

SHA256
42345ca482619d03a0c9139f5546ebe2ff5e452439a45b79382573ade41eba88

SHA512
0bec78fbe972dc1656278314a84ece8f2d43aed411435903fb987b80f9aa3e007f00d8763e1513f1680e6fc4864aa1637ddf09af641ce9491dc469ff4199ec6d

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