a5fe0adb5ec9f6943a4622f0e515e61ab61290de15a0b38240712f1292b3f474

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 17:23

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General

Target

b53ed81fe68efc85fbc9f55cf77d59c5.pdf
Size

113KB
MD5

b53ed81fe68efc85fbc9f55cf77d59c5
SHA1

84d5983551a911ebfcba0ab0f3d4a12d4a6e32ed
SHA256

a5fe0adb5ec9f6943a4622f0e515e61ab61290de15a0b38240712f1292b3f474
SHA512

7da9db6c5241b1e4bc0b692eb26bdf057234b55074aaa18853cd0a53c78f31e71e0ab5efb1e1b21f4ed83234b04aa008f1b3da9b6d945eeaa92d2de0324b194f
SSDEEP

3072:ZCcHrJaR0AEvTCCIuxVxtpQNJNlNNCCaZ1stn9Ao7LuG+c:F9xrCCIuPxTQNJvN3AsvHl

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2084	1700	AcroRd32.exe	92
PID 1700 wrote to memory of 2084	1700	AcroRd32.exe	92
PID 1700 wrote to memory of 2084	1700	AcroRd32.exe	92
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 3204	2084	RdrCEF.exe	93
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94
PID 2084 wrote to memory of 2388	2084	RdrCEF.exe	94

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\b53ed81fe68efc85fbc9f55cf77d59c5.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:1700
- 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:2084
- - 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=28E0EC87BEA4807095AEF55F79E725D8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3204
- - 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=DB22C4D6282FCB0BF65767F75637A475 --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=DB22C4D6282FCB0BF65767F75637A475 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2388
- - 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=01500E78F178F6EC3DCE278C6751E99E --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=3ACE088BB3C639A746247E2B1E0D34F0 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3324
- - 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=B4B35E6FE31A180B788A0EF92C62566E --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2060
- - 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=8D0EF0C11AB9415C729B0A77A1B53283 --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=8D0EF0C11AB9415C729B0A77A1B53283 --renderer-client-id=7 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1156

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
1d4a4e572c108ed1bdc935c675bddcd7

SHA1
6359587307eb76e2d019297596d282f0542f32d5

SHA256
5b99f7c8f1c22e55c8e1ba78a99e0094f227a56213c2aeda4f6e86cfd54bb0f9

SHA512
891a89ef5d2df8a598743d6927c1f8d0be3f5113600c033897fb79d4c9abb8ee0f2131d1f589fc1dbca5c1ebb5195ad7a9cb368c99c0ccf654889c8d9729402c

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