fa35030602b0fb19fc87e22aec39b0209cf024badb7c014547fc3c12e943808f

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 06:05

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General

Target

0a4a889fc4ef75427de885ce35ac79e9.pdf
Size

88KB
MD5

0a4a889fc4ef75427de885ce35ac79e9
SHA1

5dcda733a22f4f6430e6f3fa121f30eb237e0db7
SHA256

fa35030602b0fb19fc87e22aec39b0209cf024badb7c014547fc3c12e943808f
SHA512

400d9d13902721ad908579273ca57850b480cd0d89438d9774a3173c54347875c03f27ed3213a39c385d52b21dc9a7f7c2a283a67bdd8ce8b699db2ce6507c9f
SSDEEP

1536:A5UDjG+mKgtwWYul2X3QKj68COJawi/yEhyWwzkDk+05CWapOtQyVi/ljw:ugjG+mntvYUO3PnCOJW/yE049cftQyV3

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
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 3996	3140	AcroRd32.exe	91
PID 3140 wrote to memory of 3996	3140	AcroRd32.exe	91
PID 3140 wrote to memory of 3996	3140	AcroRd32.exe	91
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 3276	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 2764	3996	RdrCEF.exe	94

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\0a4a889fc4ef75427de885ce35ac79e9.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:3140
- 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:3996
- - 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=E7F884F384788999E1BAE39A85CC07AD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276
- - 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=B9124677F08F6EC9087ED21FECE073E5 --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=B9124677F08F6EC9087ED21FECE073E5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2764
- - 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=E92FE865D2F02B6B16E0D1AA8A8D093B --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2172
- - 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=B2A56214299F31838C08D41BCCBFF0B4 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- - 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=5F22DD24E83F5DE549547DBAAC818E69 --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=5F22DD24E83F5DE549547DBAAC818E69 --renderer-client-id=6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4220
- - 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=81C0736DA45976EC31EC4A90C3475ACC --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1952

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4656

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
b4b80faeb96c86ed058dd362362c47b8

SHA1
536b7389373c038c963cf72bb28e73dc3c5f9e65

SHA256
f13dcbe0032a8ff370c89f0ddc767e57b8452ac7c7c8174a12a4ac067e40f02e

SHA512
ca048074f02291b841b6943b5637b718315a47ac5c57478ad161d97edc66b9fea0e9cb16db0d7cc519a3b2aa8c328f9f36e7ef1fb63b26e0a0b8adc1572adc5a

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