3eff3554189bf56a33ea5f8eba31885fe70b85859bd246467dff3a35976e5ca8

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 13:41

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General

Target

36bf3db5fdf3f4700f7388ca0a1145de.pdf
Size

55KB
MD5

36bf3db5fdf3f4700f7388ca0a1145de
SHA1

6707f55973bb8b4895fd83d727b2c893c58ba7c2
SHA256

3eff3554189bf56a33ea5f8eba31885fe70b85859bd246467dff3a35976e5ca8
SHA512

222b40be39f1f66177891109b5e151f4cd99f53900d3afdea45731a7b08d91e1fb99f638e8221d1bf25eef56f3716866abd3dd547fb44770dd8641ad9ddf6eb4
SSDEEP

768:jjsa922OUaIVC3r3jHzegKlBLSzcHH5ULU2q6qAS8z+0z62+IQ/KASSKj:jjsa92YQTLzPKlJ0tJq6Eg+IQCmC

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4656	4528	AcroRd32.exe	92
PID 4528 wrote to memory of 4656	4528	AcroRd32.exe	92
PID 4528 wrote to memory of 4656	4528	AcroRd32.exe	92
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 1676	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 4668	4656	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\36bf3db5fdf3f4700f7388ca0a1145de.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528
- 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:4656
- - 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=4A46C3C2FE8FDE694279B02DA20C4CB1 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676
- - 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=979A8DABAFC6482A66FFADF0A3E3B198 --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=979A8DABAFC6482A66FFADF0A3E3B198 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4668
- - 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=89058CC3D87D909596E6B73A3B4F0518 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:804
- - 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=F0853A4D74B78492E4F0673246013453 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3264
- - 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=5D28B2353C1AE648778F3658CC391C1A --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280

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
0fd288657b4e2748d38049a88b04006c

SHA1
dc57c54e9f63a36ab588c7e07874125aa3bf9bd9

SHA256
7442bc43aacd854517100f3ac1609373dcd8838b4075c1c1a7d1c13a93a33cab

SHA512
6e48be78c60ae66c24b10e844982cdb88061ed95fa377978cad2aae509ab0c6e89765601bdb5ea00ac6926537dd4ae88e9e629f668fc4d5b6512a6c22ded9ccc

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/4528-128-0x0000000009FA0000-0x000000000A24B000-memory.dmp

Filesize
2.7MB

Download