c4d0678023f61c45237755713a12495aa4e5e53765f10fce7a4e6955b816dc3c

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 05:07

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General

Target

295ceb41774ef6fdbaa5c96e64a23f64.pdf
Size

49KB
MD5

295ceb41774ef6fdbaa5c96e64a23f64
SHA1

7f5992bc2b93b5b12575e321b60964876e111e93
SHA256

c4d0678023f61c45237755713a12495aa4e5e53765f10fce7a4e6955b816dc3c
SHA512

8f7451ac00253e785658a22d02bff743b7c61e7a28879303e4b763868a05850d67aba6fe74ff86315a27dc78b6e37419fbfeeeda9ceea7fc8f9d8efdfd1e0067
SSDEEP

768:igqxOreHYO/tHDPhJQjqCci/vywHr/LuwhpLKMXFcjAKm9pGf0VF7KC8T0+YDOFx:bS6K5Vt/iHyKThHXuL6pG2STuDOn

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe
3344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 4472	3344	AcroRd32.exe	90
PID 3344 wrote to memory of 4472	3344	AcroRd32.exe	90
PID 3344 wrote to memory of 4472	3344	AcroRd32.exe	90
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1344	4472	RdrCEF.exe	91
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92
PID 4472 wrote to memory of 1108	4472	RdrCEF.exe	92

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\295ceb41774ef6fdbaa5c96e64a23f64.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3344
- 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:4472
- - 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=B62FE0114018C8B810314AE631D4C4A7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=8BC4A1F97DA0EE3774AF0F7F71E2DEE5 --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=8BC4A1F97DA0EE3774AF0F7F71E2DEE5 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=596189D929A9B0E2BE9773B3B227A83D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=1146955980EFDD7AC78735CDFAA2056B --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=5CF92DC5541DB339913799AE7CB2A387 --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1188

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1348

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
3e82f2d08129f9f5fdbd5bde66d9ba0b

SHA1
c5c0fddc9317725d983c96f0b0beaae061d28ed2

SHA256
5bfcf65d45854fc71883e9b1b37e762055311df0cb065cabec706bdb2f1d665c

SHA512
e52810c2c67189c04f8e6c919649969c25fa3d41ff0a93b7a64724488f67d0d36010cea1ca38dd08fd6da0a9fb7e61ffba32d97cd695ad0e13eb447c4551751d

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