55f0e21dfb818efcbab82c7cf5dcbdb0507ad24a1d636cd9bad03f6a316f4700

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 07:47

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General

Target

671390a58d30cdb3a7865e43c01aefbb.pdf
Size

34KB
MD5

671390a58d30cdb3a7865e43c01aefbb
SHA1

1efc8a0c4e3d8f731f487e2f68afbf73f71a6950
SHA256

55f0e21dfb818efcbab82c7cf5dcbdb0507ad24a1d636cd9bad03f6a316f4700
SHA512

55c64ca77cd380a9f19bc05766846f3b7b1b3841ba535b8692c9fc3273293d66ca886371773d92704e636aae34d3e0ba3cc253587aec8661e09176dec6027726
SSDEEP

768:0wLsZsmvl6vFNGslMUQ6g0zn8gFHNwGY8HE1:3LxvFXMUQ6glgFiG9HQ

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 4500	3160	AcroRd32.exe	91
PID 3160 wrote to memory of 4500	3160	AcroRd32.exe	91
PID 3160 wrote to memory of 4500	3160	AcroRd32.exe	91
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 1832	4500	RdrCEF.exe	94
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	RdrCEF.exe	95
PID 4500 wrote to memory of 4012	4500	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\671390a58d30cdb3a7865e43c01aefbb.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:3160
- 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:4500
- - 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=C34CEA96288E3D7B2B40555A7DA2BA34 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1832
- - 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=BF26599C1CB34C4B1A6B00A519082776 --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=BF26599C1CB34C4B1A6B00A519082776 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4012
- - 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=A813917F2B87668EF33A3C1D4CCD1176 --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=A813917F2B87668EF33A3C1D4CCD1176 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072
- - 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=49EB780354D713A9B82B8265C7A00D1C --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=F52FC8993312D70825710CE60B9146A3 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=7AE529659AA0F938CD0C8F8FC28C5661 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3204

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
bf73e5168dc7e7b2decc150fca195231

SHA1
e714ff0d73ebf89e4d00e15ea65289d859a97d5b

SHA256
0bdc4be150c79465a2cc9d6ad01e67b30869903a1947862912764a3186952d8d

SHA512
b07b72db9905ca72db5f6ab1d9c805f9349c2cdf5a713ca7b8b962171d496e2f45b961e41d4f5cc0f136d4018f524754a8613383e512b47b1f2904ce44589949

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/3160-28-0x000000000A180000-0x000000000A1A1000-memory.dmp

Filesize
132KB

Download