f316493705079e4dd207d79fa39a9a273ff28d3c7d7256a6f18d5ef82530db11

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 06:54

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General

Target

4da3df4f9e1bed1711ff3391db25370a.pdf
Size

35KB
MD5

4da3df4f9e1bed1711ff3391db25370a
SHA1

2096140468775aaf131e867076bad5c7b392d628
SHA256

f316493705079e4dd207d79fa39a9a273ff28d3c7d7256a6f18d5ef82530db11
SHA512

c38eb0a595352b329c96bd1d2c86915dbabbc0be592cc8208eedba2e95e56201cf831c7fc0360acb772c3094eb079548c6fb01fb38a1ca483ab192a072b16030
SSDEEP

768:r8lBmaD3xlsH7oWsR/m1I5Ht8MAxWWgOzGlNm0:gCo0GSI5HtL+eNm0

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
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe
788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 1788	788	AcroRd32.exe	92
PID 788 wrote to memory of 1788	788	AcroRd32.exe	92
PID 788 wrote to memory of 1788	788	AcroRd32.exe	92
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 4208	1788	RdrCEF.exe	94
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93
PID 1788 wrote to memory of 1452	1788	RdrCEF.exe	93

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\4da3df4f9e1bed1711ff3391db25370a.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:788
- 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:1788
- - 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=DD4856179FF3DFE1621298193DFA01C7 --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=DD4856179FF3DFE1621298193DFA01C7 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1452
- - 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=A71B0D4A18EF6A1A0C59B8C39BA77D4E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4208
- - 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=6BE5893EEE2E9E3D53A0AC2944946824 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=0367736582A8EC44CA379871D3EC74E9 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4488
- - 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=F8EDE5C7B0024B60EEBD155058FC0294 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=319BBB38D0535E70EAE9EA7864B2E695 --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=319BBB38D0535E70EAE9EA7864B2E695 --renderer-client-id=8 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4836

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4660

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
1a641123f826a74fc4402723c2ae5de3

SHA1
9bebb5c57cdaf2b1c5f361f2e628dd1fc2c91c62

SHA256
3921c7aee726373c3480a402c4069f1f883c42fb197d74550a5e5ea61204dacd

SHA512
407017a65fdb584dea35b1106e8f2343b6390dc6471551811e076a623cc95b302131d67b9f2010ff7a59dcaa62cb328f76d357ebbafdbc9831257b6cb8819c68

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/788-26-0x000000000A780000-0x000000000A7D0000-memory.dmp

Filesize
320KB

Download