c39a18a821769f08b063b12c3a6a04d9b3cbcd428e939cd3ba75f785e725ca45

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 08:49

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General

Target

b44b5cd4691af4de1808f5594fae111c.pdf
Size

36KB
MD5

b44b5cd4691af4de1808f5594fae111c
SHA1

be95da6612c4370ed8784c88866722728ad05527
SHA256

c39a18a821769f08b063b12c3a6a04d9b3cbcd428e939cd3ba75f785e725ca45
SHA512

515aae4135966f89dac8eb134c74e1dc29201fecb444b332bbb4499b3c4fb2d1130022f681b1eaf62b86e134de18bc47b32cdd616eb377ad5f42556d9c7d50a8
SSDEEP

768:i6DBbJpvmO7nT6yWSC3DTvNXCXYjWvxH7rtrFPZYlipQ:poOaDTvcojWN7xFPSlipQ

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 4916	3252	AcroRd32.exe	90
PID 3252 wrote to memory of 4916	3252	AcroRd32.exe	90
PID 3252 wrote to memory of 4916	3252	AcroRd32.exe	90
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 4392	4916	RdrCEF.exe	91
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	RdrCEF.exe	92
PID 4916 wrote to memory of 1116	4916	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\b44b5cd4691af4de1808f5594fae111c.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:3252
- 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:4916
- - 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=4E90B7EAB3B2DBC1775C2F0858DA4640 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=80445E1CD71381176B2524F26BFE34DC --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=80445E1CD71381176B2524F26BFE34DC --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1116
- - 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=8A69CCD1C008D66DDBA08CCBFC044C20 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3324
- - 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=7F0B639CF0F018ACA817FB7D22F07712 --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=7F0B639CF0F018ACA817FB7D22F07712 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1136
- - 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=D30BC269469A33BBE793D81948612369 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3972
- - 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=B4E3E4EFB612AE0A6AE6DE86C071BE39 --mojo-platform-channel-handle=2856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4728

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
86aa28512b9ea44265fff19db98b9e9c

SHA1
ec38cdcc58967b2a18da54a85d93c3441cd3538e

SHA256
f8f6bd341d400723a64d09ad4bd76b580422b1418c81bd85eda53de2b6ba4444

SHA512
661be81795ada49113ff3d7ce4038060b1adac4e29bba9da2212f34cc7699f110153170c76b9459793abafb455eed28e0470de77290ca21bd0b2af233a157730

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/3252-27-0x000000000A020000-0x000000000A041000-memory.dmp

Filesize
132KB

Download