665c80f80490565c022aea286ba8b39d4f77779d0b5d7400d58dfeb5c5fdab68

Analysis

max time kernel
149s
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
26/12/2023, 10:13

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General

Target

66685a2f5bb03d34c962ee07572dc81d.pdf
Size

73KB
MD5

66685a2f5bb03d34c962ee07572dc81d
SHA1

8ff294f0232400c8e5972876436b2667b16e1e7a
SHA256

665c80f80490565c022aea286ba8b39d4f77779d0b5d7400d58dfeb5c5fdab68
SHA512

f03cf3564d257f35fd3d0718657997c96b021e1ae5f5e0cf0f4d84ff0d208c55c1f952936b62c183d281fc76bea13518b95ebfa0df92c423f03322f3ed8ecd32
SSDEEP

1536:XfKMVXnLFiLwOz81oXB01PFhqhWWSAh4UwMsVmDMVcEb+uph:C2olg1/LhqGEXsMDMVcEyuph

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-1-5-21-768304381-2824894965-3840216961-1000\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 SetWindowsHookEx 6 IoCs

pid	Process
3496	AcroRd32.exe
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 1796	3496	AcroRd32.exe	95
PID 3496 wrote to memory of 1796	3496	AcroRd32.exe	95
PID 3496 wrote to memory of 1796	3496	AcroRd32.exe	95
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 1068	1796	RdrCEF.exe	97
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	RdrCEF.exe	98
PID 1796 wrote to memory of 5312	1796	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\66685a2f5bb03d34c962ee07572dc81d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- 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:1796
- - 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=E9B22E8BCD011D798D464B71F222FA64 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1068
- - 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=3C777C6AC5FDBDB71E601D6D29FF3D2E --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=3C777C6AC5FDBDB71E601D6D29FF3D2E --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5312
- - 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=62C9D8A6B678BECBEE4040BE7532A224 --mojo-platform-channel-handle=2132 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2228
- - 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=C11DF8C819360980FA1B236626431DAA --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5756
- - 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=D870BADB44A62D6A9A96F6E798456320 --mojo-platform-channel-handle=2120 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4196

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:224

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
e37eb1d4a48f1b742b2da4efa0e67867

SHA1
8e249353c6906170fc40f82c31221292be9796c0

SHA256
711667fa8aa0358c5d0a449bfe604b40b7e33e33dba401c10de983779854703f

SHA512
c47fef02ff2a76cf9c75f18c452de791c6bf36eec06dba0fa24580c52a386d6f85442e4f16ce9669edec5f922d3db1ce87209e5f7b6f46c3eab4cc958b40661f

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