7de12819df9b6101feda561f0f86e207b15b2b4578136ad767b48618e6cafc73

Analysis

max time kernel
144s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 19:48

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General

Target

470b7ec7b3856f9c25b05f651c743304.pdf
Size

46KB
MD5

470b7ec7b3856f9c25b05f651c743304
SHA1

72a4941bbaaff0c5e25fabe5f5c5a08a429d405c
SHA256

7de12819df9b6101feda561f0f86e207b15b2b4578136ad767b48618e6cafc73
SHA512

c23efcec2f26281a81941aab30182dc6418854d21deffd099d131e2c7550051dce6e9134c83944dea6c8737291dc2ec2a5a9275f71c5350f6fbde69b098d7b3f
SSDEEP

768:qNH578FmW5/ZZhJ5xfiJst22k86m1TlR82a5Z+HMwvPDKmRAl:qZS3/7H5YP2ko1TlGr4HMwnDKmyl

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 3708	4108	AcroRd32.exe	91
PID 4108 wrote to memory of 3708	4108	AcroRd32.exe	91
PID 4108 wrote to memory of 3708	4108	AcroRd32.exe	91
PID 4108 wrote to memory of 5076	4108	AcroRd32.exe	92
PID 4108 wrote to memory of 5076	4108	AcroRd32.exe	92
PID 4108 wrote to memory of 5076	4108	AcroRd32.exe	92
PID 4108 wrote to memory of 1104	4108	AcroRd32.exe	99
PID 4108 wrote to memory of 1104	4108	AcroRd32.exe	99
PID 4108 wrote to memory of 1104	4108	AcroRd32.exe	99
PID 4108 wrote to memory of 1304	4108	AcroRd32.exe	101
PID 4108 wrote to memory of 1304	4108	AcroRd32.exe	101
PID 4108 wrote to memory of 1304	4108	AcroRd32.exe	101
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 4176	1304	RdrCEF.exe	103
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104
PID 1304 wrote to memory of 2968	1304	RdrCEF.exe	104

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\470b7ec7b3856f9c25b05f651c743304.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:4108
- 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⤵
  PID:3708
- 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⤵
  PID:5076
- 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⤵
  PID:1104
- 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:1304
- - 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=D462BC4AA408A31F42CEB9023F459E87 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=ED745652295F4C0C6ECEB30199366969 --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=ED745652295F4C0C6ECEB30199366969 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2968
- - 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=ADE9AF45AE71FDF71C2FD84B4056B03A --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=ADE9AF45AE71FDF71C2FD84B4056B03A --renderer-client-id=4 --mojo-platform-channel-handle=2136 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4708
- - 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=42FE323FE400B92B08CDA8614239669F --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=74F222E1EDA65C19C33817F2C4F51958 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2256
- - 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=F6C902CB375F5833C7BA43B8C90EF578 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:444

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
c44eb56b59c8eb8a7d83f617522f78d5

SHA1
2fd1c71206fe90e89a23b8d74557d1d03086fc64

SHA256
a87900c3bf8f3dad2f3d8a761d34ced595d8823041ee3e51c566c2e91a1d901f

SHA512
1cb8960fb71518819b1dd308660f4a25ff0645860f7724ac63aa8cc0be3801e569438fc6ebeedccbd2fe691c78066a095483cf9f3940ef1eeb287a4ebd3cbe25

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