923860d429bde93fa2b022495f0bdc1784154f9ce795365963a745b7d139444d

Analysis

max time kernel
159s
max time network
178s
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 09:38

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General

Target

6457317e8ce5f67b23b6730fe33e4ac6.pdf
Size

86KB
MD5

6457317e8ce5f67b23b6730fe33e4ac6
SHA1

d7e545df3914ad006899455c232f0dd1a1e0795c
SHA256

923860d429bde93fa2b022495f0bdc1784154f9ce795365963a745b7d139444d
SHA512

725666e38d327d019558bc1eb9bd92e79ed8fb6bd468b453e663a77fb175d69d321669501424ce63a20eab66cde7d6132c3eb78285a0bdd2f3fdaefc953cd396
SSDEEP

1536:m82KXIAJEass3GWxxzGFxr9ihNfPWPFIzNDz1DrtWYpO2klN4l/gWQ8MuFSYPE+E:WASLOXxzGvxY5PJzF02p/7MxyEiS

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
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 3580	888	AcroRd32.exe	94
PID 888 wrote to memory of 3580	888	AcroRd32.exe	94
PID 888 wrote to memory of 3580	888	AcroRd32.exe	94
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 700	3580	RdrCEF.exe	97
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 3160	3580	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\6457317e8ce5f67b23b6730fe33e4ac6.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:888
- 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:3580
- - 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=BEB08CBAEEFC1877A20A8CC4A455D31B --mojo-platform-channel-handle=1700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:700
- - 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=67F7FB47B18F3F2F38C693AF6E0C08B0 --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=67F7FB47B18F3F2F38C693AF6E0C08B0 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=8312A53429909D2D8EF12F9BC4C92A0C --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=8312A53429909D2D8EF12F9BC4C92A0C --renderer-client-id=5 --mojo-platform-channel-handle=1616 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3720
- - 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=9EDF3221D0251DB0ADFFA9EAB226AC3A --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1748
- - 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=A684AF5D844DA4B4E50B1F3C94C16370 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=03F8E18748C2DF50C970F83322670940 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3468

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
4a537eb7ef81973bcaef87e6a2ad6141

SHA1
eda712d721c4c402932a68c7479d8eeb5e5a2b4b

SHA256
c1e8104021bcff72c05cbfe8794926521351a7c4087300f91447ffbe6d71167f

SHA512
f6533629d24f5b0fc7ea1bf008bdd3380d7d4cf380de832b584c52b5411bce7767a8a4c1601b05f94d1853711b4c58d99dbfb2b749ef047d29bbdae20cbf0305

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