d39b9708672b228099ebc60e6928be125d69b63b8810b11abd8a79cf2eaa4a2b

Analysis

max time kernel
161s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 05:42

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General

Target

2a6e6e176d56ea5036f6eac0e4bf99dc.pdf
Size

95KB
MD5

2a6e6e176d56ea5036f6eac0e4bf99dc
SHA1

71d03f004905074cafeaf274132d643066ccc8b5
SHA256

d39b9708672b228099ebc60e6928be125d69b63b8810b11abd8a79cf2eaa4a2b
SHA512

4466963a79d1905dafc9969f3a3eadbeb48f18cb2a31aff4ab8d281b79139601b916b5c4965aefdc58074ae9f108a175dac09d7d0e42570ac5383428002ef92b
SSDEEP

1536:6Jud+sMBTyyrw5s+MYNYh33rxvL+RRiLhAi4Fl905/7TCANW4ghceq+8wWQpOCWh:Ay+DBJrw2qyh33tvLfhSFl9057TF48f9

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 1768	4660	AcroRd32.exe	101
PID 4660 wrote to memory of 1768	4660	AcroRd32.exe	101
PID 4660 wrote to memory of 1768	4660	AcroRd32.exe	101
PID 4660 wrote to memory of 1192	4660	AcroRd32.exe	102
PID 4660 wrote to memory of 1192	4660	AcroRd32.exe	102
PID 4660 wrote to memory of 1192	4660	AcroRd32.exe	102
PID 4660 wrote to memory of 1652	4660	AcroRd32.exe	103
PID 4660 wrote to memory of 1652	4660	AcroRd32.exe	103
PID 4660 wrote to memory of 1652	4660	AcroRd32.exe	103
PID 4660 wrote to memory of 4636	4660	AcroRd32.exe	104
PID 4660 wrote to memory of 4636	4660	AcroRd32.exe	104
PID 4660 wrote to memory of 4636	4660	AcroRd32.exe	104
PID 4660 wrote to memory of 4864	4660	AcroRd32.exe	105
PID 4660 wrote to memory of 4864	4660	AcroRd32.exe	105
PID 4660 wrote to memory of 4864	4660	AcroRd32.exe	105
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 2696	4864	RdrCEF.exe	108
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109
PID 4864 wrote to memory of 4248	4864	RdrCEF.exe	109

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\2a6e6e176d56ea5036f6eac0e4bf99dc.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:4660
- 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⤵
  PID:1768
- 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⤵
  PID:1192
- 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⤵
  PID:1652
- 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⤵
  PID:4636
- 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: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=1866CF73ABFEA7F833953100A819F609 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- - 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=1ECFDFF2C3EB50A01BB73C6273F510FD --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=1ECFDFF2C3EB50A01BB73C6273F510FD --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4248
- - 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=6D9F06C1572CB995D5061E21DA6BA0B7 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2608
- - 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=76EF8ED5F0BAB1C2C0ABCFFCC5DD6B56 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3804
- - 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=06F6549B001EECA259C275432F1DFF69 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1876

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
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