2ecf7a8b2e5f74d8d077db26187d4fce68ef417744f9b30cdd39859c0c0aaf7e

Analysis

max time kernel
149s
max time network
152s
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, 10:51

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General

Target

0d767f97356e23dbf373d793fac36f48.pdf
Size

81KB
MD5

0d767f97356e23dbf373d793fac36f48
SHA1

3f7d515125f59c022e76ec8ae5b02173b4ae0f05
SHA256

2ecf7a8b2e5f74d8d077db26187d4fce68ef417744f9b30cdd39859c0c0aaf7e
SHA512

113faabb3ab5648baa8ab2197e3b7825679a512cb8243a85cb1471e8dc481eed10c226f62672f0dd5e7b6bb860e8e0f7f8d41df5297018978b96602a1fe638fb
SSDEEP

1536:ftQwwCFcGRSztoD3jYN96MoXeJSjVFOtb1sp4VWuUOIIPVnWapOtQC+7YDWrWCeA:lDsz+7sNgMC6zq4VWXOTatQ4aWCcV9cb

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 4596	3792	AcroRd32.exe	93
PID 3792 wrote to memory of 4596	3792	AcroRd32.exe	93
PID 3792 wrote to memory of 4596	3792	AcroRd32.exe	93
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2932	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 1960	4596	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\0d767f97356e23dbf373d793fac36f48.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:3792
- 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:4596
- - 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=199B500E5EE9858D31EA767CC95C6DE2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932
- - 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=C7510D942944A8D887498873C6C4F9A3 --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=C7510D942944A8D887498873C6C4F9A3 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1960
- - 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=C4564B0684ACBE4C0C29D001BD9043AF --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- - 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=43243C3AD70AB87D06BDC67E994C5F1F --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3900
- - 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=4E0693E53AF67E4BF2B174F083D385FF --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2748
- - 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=BF4BF2472CCB5C0A50025F2EB4991BE3 --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=BF4BF2472CCB5C0A50025F2EB4991BE3 --renderer-client-id=7 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:220

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
f6f07bf6479b044726201b7c02ad5338

SHA1
043b70e4d7f3cd7a145ca5e130c228c899860197

SHA256
46d4cbe260efc9715fb9c1849937d13fc8697d2dad6ac323bd0356ce790b8b63

SHA512
c11e3aa443edfd5d9cf4980dd63f20bd459cb568d0089f42b58dda9128a10159df657ee7e84c7a4cf20cf6bb8e903ab5a0ead8655400d1b7593d62d4967c628c

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