ba0be3bd084b0b335c208886689b249335686ab4babdf0da5a89fa4fb0bd2e28

Analysis

max time kernel
154s
max time network
173s
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, 12:58

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General

Target

37011aa1a2d25d0063bcd9e96bf88912.pdf
Size

76KB
MD5

37011aa1a2d25d0063bcd9e96bf88912
SHA1

26fb3d2028535a8e4798cde8d5d64c00725504cd
SHA256

ba0be3bd084b0b335c208886689b249335686ab4babdf0da5a89fa4fb0bd2e28
SHA512

9ada2cf116ce352aa105d148e7637b47b0c974014d8fc958d0f1c98492343b3dc04588ef368f968249a5f03955d2540aa436192916a9d60043576c2ff75af568
SSDEEP

1536:Kx+HEsa+IRaKoB0rgQxQwzcvTChdTuc6hYuDqexkIGW3cm8e7zy:yhRr59KCDtgxxkIAmFC

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 4468	1808	AcroRd32.exe	91
PID 1808 wrote to memory of 4468	1808	AcroRd32.exe	91
PID 1808 wrote to memory of 4468	1808	AcroRd32.exe	91
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 1460	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 4788	4468	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\37011aa1a2d25d0063bcd9e96bf88912.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:1808
- 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:4468
- - 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=C820416DD363FBBC937ADFDBB97D0C5C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1460
- - 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=2300E0471BA316AFD36237F11C7A36ED --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=2300E0471BA316AFD36237F11C7A36ED --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4788
- - 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=BC5A4D17EADB8A2173D602D81CC3D0CA --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:556
- - 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=BA26FACBC7AE1098D3A2E9EFBCE390E3 --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=BA26FACBC7AE1098D3A2E9EFBCE390E3 --renderer-client-id=5 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1276
- - 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=6D7907A62AEE41EE9022711515C96DFD --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2760
- - 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=21C8A85F154C6EDCA8A2339D68B9AB0A --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4960

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
b21f80cde52355fbe2ea8174cd6a6baf

SHA1
342a74de5a2eb1250dfecc11a35a67e10cbf3c14

SHA256
26c1a68a0faac3c3eebc5474905766fb42b3bfcf40d07d714e39120954c18831

SHA512
45ac25fa7eff65081d1bab5c25a59ab3842d45d2d2b066eab51a9032183c1f9e0e282bff8ffa735953c038869f6ed0340aceb18eb6f65818a91c6e1eec0dfee5

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