cf725261991f33fafc62183d12d716c506717c92787ed8becb28cd2c0bbf45cd

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2023 21:26

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General

Target

f93bff2713c1217ba7b61f787f5575a6.pdf
Size

72KB
MD5

f93bff2713c1217ba7b61f787f5575a6
SHA1

b7a2b8318897129e2443a6289bbced865413e38d
SHA256

cf725261991f33fafc62183d12d716c506717c92787ed8becb28cd2c0bbf45cd
SHA512

9e6ba127d204532ae45bb835ff8c4dcf7ff633e2c488c1234a889efb412d6276046ab05d4aeb1fec8847fd500d402ea43dfc040fda1bb5015b5600d2732e1c0f
SSDEEP

1536:znULp6waukQ1pXInbqljQ4nYgzUQXuZVE2yk3wf663jom:ALnjvXInbqy4ndzgZG2F+66h

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
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 3380	1624	AcroRd32.exe	93
PID 1624 wrote to memory of 3380	1624	AcroRd32.exe	93
PID 1624 wrote to memory of 3380	1624	AcroRd32.exe	93
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 1488	3380	RdrCEF.exe	94
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	RdrCEF.exe	95
PID 3380 wrote to memory of 2524	3380	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\f93bff2713c1217ba7b61f787f5575a6.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:1624
- 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:3380
- - 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=72935F937FED6C67DC7F69EE987F983B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488
- - 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=DADD0A4E45926D6409125583EE7CE834 --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=DADD0A4E45926D6409125583EE7CE834 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=D68C2839167CA77A9BAC60773F8FF3C1 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1212
- - 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=A09F62B1B7FCE9FCE25906D422FAFC68 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=1AADD3A49EF496C11D389E9FF9028A2F --mojo-platform-channel-handle=2228 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1528
- - 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=0C1F7DBCF9860752095F391A8EC961BD --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=0C1F7DBCF9860752095F391A8EC961BD --renderer-client-id=7 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2532

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1592

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
bc77b2821e3e8116801cf68c1f23a890

SHA1
d8118bab67f74baccaf2f3f0e98d1eb74bc3c5c4

SHA256
bf960eb14f230223b2fb10e1aab97a826e3a6d63f3198c4d842ad7f404a5f849

SHA512
82864c5f7b1d6dc0c3beed3d3cedbddc1e1d61d1d1a2651fe6b71fa713f57ee4d6b24ec049d69877ee41d848ebdee5c312db6c2535c015776df425532353ab50

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