150593df2457ab5fec69dc180f56d205892ee4431fb875076fc34a033b0a1e35

Analysis

max time kernel
150s
max time network
163s
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 21:43

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General

Target

3e2343935fcb80f04fbecf49894dcbc3.pdf
Size

37KB
MD5

3e2343935fcb80f04fbecf49894dcbc3
SHA1

111b779cad7001be5ac795a875677acf5b9dc93f
SHA256

150593df2457ab5fec69dc180f56d205892ee4431fb875076fc34a033b0a1e35
SHA512

57143dd5d6a821bba8c8431ba99ff3d0c3b5231c090c91e0332cfb9e2f6d8b2fccc11c560ee49e83a9b0f0c59429d0931a7584ca44f4d86b14d791452e2ae729
SSDEEP

768:+gGzpDJpobWQLYVLCac8tddt8QlgypxR5GYUb+mPuHqHuprj:7GFtpoiTHXKQlgrb+mP0qOl

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 3980	4900	AcroRd32.exe	91
PID 4900 wrote to memory of 3980	4900	AcroRd32.exe	91
PID 4900 wrote to memory of 3980	4900	AcroRd32.exe	91
PID 4900 wrote to memory of 1392	4900	AcroRd32.exe	96
PID 4900 wrote to memory of 1392	4900	AcroRd32.exe	96
PID 4900 wrote to memory of 1392	4900	AcroRd32.exe	96
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 2896	3980	RdrCEF.exe	99
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100
PID 3980 wrote to memory of 1844	3980	RdrCEF.exe	100

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\3e2343935fcb80f04fbecf49894dcbc3.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4900
- 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:3980
- - 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=68E2F6FAB054C580B950EBA91CD7ACDC --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2896
- - 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=40E2FCFEC767D7A97789F4645D5678B8 --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=40E2FCFEC767D7A97789F4645D5678B8 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1844
- - 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=65695BB123F8D2F184B3A06BFCFF2715 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=75818DDFC7E558A0DD8C201916AA29D9 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072
- - 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=DEA9034F6836A1FBEFDD291A51CB888A --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- 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⤵
  PID:1392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3860

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
45a9a2537af4bbc483312261117f9859

SHA1
1ad091b6b139d2711f840271b519639dd096985b

SHA256
4fc966939f10bbb33742a366ac5d527483f3c3cdcc31321b73efd8e20687abb2

SHA512
2cc41769407ae69acdb84d4c699406d42f55151be2eb41d5309dccb9b6d05480d81eee338b9afbbb3bf3bb079c7804a9112af8a1c0b53792be274c7a15de1836

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/4900-83-0x0000000008950000-0x0000000008971000-memory.dmp

Filesize
132KB

Download