34495378693aecd53068f423af402b745d43e4a186be85e546fec235ec016b8c

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 05:27

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General

Target

7c43b22af58330f05576dfc7e7735b08.pdf
Size

111KB
MD5

7c43b22af58330f05576dfc7e7735b08
SHA1

23b534eab6bfda97a49c2f9a762feb5f37d04907
SHA256

34495378693aecd53068f423af402b745d43e4a186be85e546fec235ec016b8c
SHA512

da6827bd995b3641757f11bc6ef93f8728469fe743e657b52361260d14b617ecd04c3435ab7c1785cfb0f3e6840d894102a15d4c679e5deb3a1dda517a44a56d
SSDEEP

768:D6ZWZSVsV1YPveYmYGbLB/vbQNK775BoQ4mijVJipEhiD6T+bIxp0sO9PGVigGZw:I

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 1508	4424	AcroRd32.exe	91
PID 4424 wrote to memory of 1508	4424	AcroRd32.exe	91
PID 4424 wrote to memory of 1508	4424	AcroRd32.exe	91
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2652	1508	RdrCEF.exe	92
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93
PID 1508 wrote to memory of 2908	1508	RdrCEF.exe	93

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\7c43b22af58330f05576dfc7e7735b08.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:4424
- 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:1508
- - 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=D225E55A899F397FB65F390434AE0D6E --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652
- - 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=33D42A91DACAAA8E6C87F9DC1ED7B351 --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=33D42A91DACAAA8E6C87F9DC1ED7B351 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2908
- - 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=05A8C42249EEC8CB24A2F59E3C090699 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=BA993F764164CDC61EB9145D9E16457D --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3668
- - 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=A8FA706A9C4B6E6FD8D321ECAE6C2956 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212
- - 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=506F218A3030E3DD565EB4A13DA15418 --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=506F218A3030E3DD565EB4A13DA15418 --renderer-client-id=8 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4768

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3520

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
1fa1813881d40ea0382a8d04fc8bab10

SHA1
a939cb93b482feb8d1fad62614f5dc938304373d

SHA256
1180b8453a38d339c70db5c36be4337e104e8d1c91fcd8de4f02ee2ba539c9cc

SHA512
c0080cfa036d50da89c6d542a38c5ed8fe4b6df06e529c132b559f02fbd0b68448012df2cd9d9011b7800757ad4d84cdeb24287cf88da422a0db03682d1f9309

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