65be643eb9dad36c9a0bf6df391071726f326e978d9b0ef5f28c2963576794c6

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 22:23

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General

Target

3fe1dd1485131fa84ab7efc43b459d2a.pdf
Size

84KB
MD5

3fe1dd1485131fa84ab7efc43b459d2a
SHA1

44200fde5531103e3a8c0b7ecc7f6ea11842f20b
SHA256

65be643eb9dad36c9a0bf6df391071726f326e978d9b0ef5f28c2963576794c6
SHA512

5f147d65fbf7731cf50779edd47bb1c08395435f25ad7f29b34543b47c1f17bda70dead7698af9a273a149489b0931d9660b3be855d14d588b28e225f5b8ecdf
SSDEEP

1536:hGxxNxsgTBzGp/fy/mErye6KwnZM6SMuHL4bkBSb5Zde3N9WeCem3uMXbM:INug1z8YmE+e6HnZM6JuETb5Zq6N3DbM

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe
1128	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 844	1128	AcroRd32.exe	91
PID 1128 wrote to memory of 844	1128	AcroRd32.exe	91
PID 1128 wrote to memory of 844	1128	AcroRd32.exe	91
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 4028	844	RdrCEF.exe	97
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	RdrCEF.exe	92
PID 844 wrote to memory of 2428	844	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\3fe1dd1485131fa84ab7efc43b459d2a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1128
- 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:844
- - 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=AA5929DC8CAD7850C821BFDD226405E8 --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=AA5929DC8CAD7850C821BFDD226405E8 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2428
- - 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=91C8DE38E36E2333EDC1A7B6CFB32124 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1512
- - 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=38B0FFFCAA5234848E7A70803E020F84 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524
- - 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=3E7EE4DD85283BF4C952EECF525C77EE --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4584
- - 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=56E6C6500104A264F5B043C6BE111BCE --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3316

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
56KB

MD5
0806c82e3911714602555c2c2b1758df

SHA1
41faeba5d3d8d78bb373f687b2da0e6c3f9b6aaa

SHA256
49a0beb64e007963f5d2fb7cc55a7728fbda24d110ba4c67b54c3dbdb360b139

SHA512
649a30f296188c634823097f827aec06be95e124d68bf0aa97cd6d4562414a7434c1957ec54f770366daff69e756cc9286786b0b819661fc9f30d16c920f7c5c

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
24KB

MD5
b824206f4851c9fce2c412a37dcee177

SHA1
530440096afb3a15c1196749ee5c7f1ec4264153

SHA256
b05ce00ef2b1ed242669a50707857c01445dbd0e4695d81ff4cd0687f0c7d0c5

SHA512
de8fa8a2a4029d4d8c453e378b5e5c74e9cc73724dfbd31043c981679169492c3b1cfaf2ede3f38e3dac6ecb2eae0b21b7d9a79224dee32e333d88e3e072d400

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1128-126-0x000000000A1C0000-0x000000000A30D000-memory.dmp

Filesize
1.3MB

Download