5db6210729de4506e88f6679296a7a4be80ec2b75633010df6bd75baa91a36eb

Analysis

max time kernel
140s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 14:14

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General

Target

1b1cc58b2098966ca8e7e669b24154a6.pdf
Size

86KB
MD5

1b1cc58b2098966ca8e7e669b24154a6
SHA1

f4f252bf6a234a038cbe354c65b6d3d240ceb9f9
SHA256

5db6210729de4506e88f6679296a7a4be80ec2b75633010df6bd75baa91a36eb
SHA512

cb313bb0c492c3d712c14d2d4ef6977857363988e203f8baa7b176d3b4c35069235e76caa756c7ff6b4886df3bccc8152f2eb7618215d2d77ee854c311610220
SSDEEP

1536:/itQB16uz8lCBWYhm/EAiE4RK3DXeMyVXu9a71sXkbmtWk2IedjbTzT48WOpOwra:WQbjKEQsAiEIK3TeMyVUa71PI4j3v4ZJ

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 1204	3760	AcroRd32.exe	93
PID 3760 wrote to memory of 1204	3760	AcroRd32.exe	93
PID 3760 wrote to memory of 1204	3760	AcroRd32.exe	93
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 4836	1204	RdrCEF.exe	94
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	RdrCEF.exe	95
PID 1204 wrote to memory of 3472	1204	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\1b1cc58b2098966ca8e7e669b24154a6.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:3760
- 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:1204
- - 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=0B770CF0B7C480E60CB81BC9C26685DE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=BBE310643EABCB5C3FBE5D61823B3666 --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=BBE310643EABCB5C3FBE5D61823B3666 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3472
- - 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=C16007BA54B4B1AC664F7C65135A3CC2 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - 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=D3A04DFC41389E10BFB9FC9160CEEBAE --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=D3A04DFC41389E10BFB9FC9160CEEBAE --renderer-client-id=5 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=2A5BBABCD97A2F0C132A24FF1688B806 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3436
- - 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=CC7AB1DFEDBDCEF4ACF8EF3CD727754F --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4176

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
16153133d82171816efbad4d19b12b89

SHA1
7475aed693a0e1dad219db9a925aefd3c285f246

SHA256
ac01efd6258d4ddf0a04482d8571eb1ed623fce6f4926b7cb669843711b176bf

SHA512
ba71da7f62da55a0af5dbd6716b03d14ac2aaea637bedc8f45d6618123b3379924743b0d7b88d751baa492f1e0012ac10543d9cb13a08c6e170715d7e5faa2df

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/3760-28-0x000000000BF50000-0x000000000BF71000-memory.dmp

Filesize
132KB

Download