85eb1b67265a73686a543c739e17de8c8c1547ddacbdc2b4c48b8f9725f265fc

Analysis

max time kernel
147s
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
22/12/2023, 15:13

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General

Target

d4c25929df8eebf32054a2e778de0eaa.pdf
Size

42KB
MD5

d4c25929df8eebf32054a2e778de0eaa
SHA1

e2bcdadb9531326bfd2d1ec9ab15bf45ae410f13
SHA256

85eb1b67265a73686a543c739e17de8c8c1547ddacbdc2b4c48b8f9725f265fc
SHA512

4c9e63a18a71f23c0eab8972bc5a3d27d558151a0a93939d8dbcd590086086b67a1de9a33a4bc7471b34336f377e817ae63173eb757c15e3e03196d706113852
SSDEEP

768:Mzvn/QhsWRwhzdSLoRrRNNtFoFrssgYiJpXrAw5vg:2P/msUwjlNtyFPgTpv5vg

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe
3496	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 3392	3496	AcroRd32.exe	93
PID 3496 wrote to memory of 3392	3496	AcroRd32.exe	93
PID 3496 wrote to memory of 3392	3496	AcroRd32.exe	93
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 3388	3392	RdrCEF.exe	97
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98
PID 3392 wrote to memory of 2672	3392	RdrCEF.exe	98

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\d4c25929df8eebf32054a2e778de0eaa.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:3496
- 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:3392
- - 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=C2228AF7730B1CEF939BFD1E547C721C --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3388
- - 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=5055A106940F3663926415C189B68F3E --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=5055A106940F3663926415C189B68F3E --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2672
- - 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=45664E590402AB5B89761E4A78C7F3F5 --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=45664E590402AB5B89761E4A78C7F3F5 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1884
- - 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=9F119FACB955A36493443FF74C6ACCE4 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1040
- - 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=C04243EE01F04FE984BCC04DD1339079 --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1056
- - 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=58455FB1069B984C0BBC61E6D00DE57D --mojo-platform-channel-handle=2620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2436

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3560

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
9ba8bf66ad268c1729d72a5b40eff70d

SHA1
5953eac00226ad80a783652b486b44bfc806b6c2

SHA256
ed288aae669d3b4f22b1b4bf1a36098c6ba8b4e3b265abb65df8021970c42b36

SHA512
a3a3870350330ac8f833db95f35fef6af33327a94f65c18cc5c2b12a3615001d08fe2ecb3ede0c1c468352dbcd9ba872c6fe37d211dee999fc779195d98282cb

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