0106edd16ac05836e246a95cb958b3c2f5f195e0c3fb87e6354de0de4f227f66

Resubmissions

25-01-2024 18:00

240125-wlsrnacce6 3

25-01-2024 17:55

240125-whk8eacbe8 10

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 18:00

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General

Target

752568fe779bd58259d96fcaa04294ac.pdf
Size

75KB
MD5

752568fe779bd58259d96fcaa04294ac
SHA1

6f6c3e65d13d7152786594aa387c6d6c84508344
SHA256

0106edd16ac05836e246a95cb958b3c2f5f195e0c3fb87e6354de0de4f227f66
SHA512

ca0adc5655cc7dd22a0f9a6d10b8602b28aea5301d10b3f20581c45dafd9366545750e462fddbf7be874809099269b96b13a41d904195bddabea8a5b617f2b31
SSDEEP

1536:ABPa4o+zcCfNs7feT6S0BbnVqfxeDGUcL+XcZaDY23B6qUMRZP+E:Ou+zckMemjJngfxe6H8Y2EqVRZd

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid	Process
4468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid	Process
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe
4468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	Process	procid_target
PID 4468 wrote to memory of 5048	4468	AcroRd32.exe	92
PID 4468 wrote to memory of 5048	4468	AcroRd32.exe	92
PID 4468 wrote to memory of 5048	4468	AcroRd32.exe	92
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 2832	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4784	5048	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\752568fe779bd58259d96fcaa04294ac.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5048
- - 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=3B929B0A2E0E8026D91BB5CA2E3EC8C7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832
- - 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=86FAF5B449F5CC10BD0A42ABEF9467E3 --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=86FAF5B449F5CC10BD0A42ABEF9467E3 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4784
- - 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=CB733C88CB30053012DA872E849ADE84 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3388
- - 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=DB157AD208A9133AAC30E960CE22F839 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520
- - 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=BF0D96D83EDCFEC99DAAA6522C5D3BA8 --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=BF0D96D83EDCFEC99DAAA6522C5D3BA8 --renderer-client-id=6 --mojo-platform-channel-handle=2228 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5020
- - 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=A1B009552306F4ED25BB583ECC266CDD --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4152

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5040

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
4b194310ac23b4f00874f22157bef5a2

SHA1
37c8b73fd547161c2dd2a69113a806b5ea60d36a

SHA256
40271bdacc0ff8fdb38400b42c6ccf0859702f40903353aa1cf3c4a0f0dfc9d6

SHA512
864186c118946a3111e3d6060956d98926a2af0be85e28a110a8aafd6bf48cc9ab5dc812c73af1083aaa4a9ddf614abe83bda5e5fe6444d687198adcf8baab8c

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/4468-26-0x000000000BD00000-0x000000000BD50000-memory.dmp

Filesize
320KB

Download
memory/4468-28-0x000000000BD00000-0x000000000BD21000-memory.dmp

Filesize
132KB

Download