3a1c2b0d0876a40ba1e2ddbf53039c332cd31aa23a172a3777fc116e6691f73a

Analysis

max time kernel
142s
max time network
89s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 20:49

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General

Target

039c30efe92ac612b23f0ce9f7128c41.pdf
Size

84KB
MD5

039c30efe92ac612b23f0ce9f7128c41
SHA1

1a905b8e3f92f5860cee61ea5c1a27664f94d551
SHA256

3a1c2b0d0876a40ba1e2ddbf53039c332cd31aa23a172a3777fc116e6691f73a
SHA512

6dddb75baea00f9316710a95bad25c205c9bac7a600ba09062498ada0c4e85608b984465eb67742dc1d1859782ed91c133a24a27c0cad5fca2947a262b520fb2
SSDEEP

1536:MUT3MCzHTBBpSpVu6fVSKrofE6mNWeALcWX6cGtI2IWspORtsB:n4VnfVSdfE666LD6cGtI2jRQ

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
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3340	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe
3340	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3340 wrote to memory of 4184	3340	AcroRd32.exe	92
PID 3340 wrote to memory of 4184	3340	AcroRd32.exe	92
PID 3340 wrote to memory of 4184	3340	AcroRd32.exe	92
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 1152	4184	RdrCEF.exe	93
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94
PID 4184 wrote to memory of 4804	4184	RdrCEF.exe	94

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\039c30efe92ac612b23f0ce9f7128c41.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:3340
- 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:4184
- - 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=55F54740F8B6E6114392849BA1015180 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1152
- - 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=C0AD531178702483742869418FFF0284 --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=C0AD531178702483742869418FFF0284 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4804
- - 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=C6C777CE216DF9D15FC02A0E339CA020 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - 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=37737F8D89E7431EA662F8AF8326F02C --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1096
- - 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=A31475CC1CFF6F2451A37DE8559AE4DF --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=A31475CC1CFF6F2451A37DE8559AE4DF --renderer-client-id=6 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1576
- - 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=3128C576B63A0F585D29FEEEED08516D --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2896

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
203f80885a556233b8a8634a990899c5

SHA1
ad651ebb1e875a2828ecc987fade778c1023af20

SHA256
c0f6fd811478857a4d21d661c84aea6fbcc77e1bf7bd403787857a5168466d30

SHA512
b2fcdfa551f7da165cc48f1b3029e30aaae963ee7a2469b5c868fa94557532325665629c5ec2fc287c6403f2c5fb1d5f4bdbaf580bed476fee5eb31632516888

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3340-28-0x000000000B240000-0x000000000B261000-memory.dmp

Filesize
132KB

Download