fc44b9e4f7f84609ac82125067090ea6a3698d7ec1496e3b8368551e55d9d62c

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 06:57

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General

Target

bace7f281a5d9c0cbce6e17dfa42f51a.pdf
Size

39KB
MD5

bace7f281a5d9c0cbce6e17dfa42f51a
SHA1

b9be914c6ac937d841be038209e96a2a376c05c8
SHA256

fc44b9e4f7f84609ac82125067090ea6a3698d7ec1496e3b8368551e55d9d62c
SHA512

92159ffc3c315e95e9fd6927241054d46c45c39e5888cfe33d9262748653ac2b7c95048169efec05badbaf90e546d66a217b3441719601cb107f268e7fd05214
SSDEEP

768:PALUiXv2D/TMz2dDO61p/R3yAHAGwdhCmzqfZRAX:PfFDrMz2dD7yvGwdhCFAX

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4164	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe
4164	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 3996	4164	AcroRd32.exe	96
PID 4164 wrote to memory of 3996	4164	AcroRd32.exe	96
PID 4164 wrote to memory of 3996	4164	AcroRd32.exe	96
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4864	3996	RdrCEF.exe	98
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99
PID 3996 wrote to memory of 4880	3996	RdrCEF.exe	99

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\bace7f281a5d9c0cbce6e17dfa42f51a.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:4164
- 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:3996
- - 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=45CEC45A73CB25F962362EFEF5BC664E --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=45CEC45A73CB25F962362EFEF5BC664E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864
- - 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=3728B5BE0C43852CAE0D40D749F2F6F6 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=DAB570F1D4575C91974E4C64063F46D7 --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=DAB570F1D4575C91974E4C64063F46D7 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1660
- - 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=14DFCDD3B46E45BC4883618E4E759497 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4080
- - 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=90974D0E24C321E3CE36266BFCCF5620 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2732
- - 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=BBA7B3263F56D8C6E6A079786DE6DD36 --mojo-platform-channel-handle=2044 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208

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
d4ddb11a53aacb6ba94162654cfd1670

SHA1
a3d20daefe2a9f0fcef22f7f916a1e13821f52d8

SHA256
4113e84471e4e5109ac7d79bb6fdec3c049d21f61bf1ae91d3e3e5845373048e

SHA512
3aa793b8bc8d9eccc242b22a97dc41f5088013414c3b6fb7c43cba0fc71cc41bb62af2426cb38b497e3237886e92d25f11fdfeb5e8e66b5cc83fe2e24b72cd2a

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