b747529d675db1273216e869aec8d35e0ba609a8ef15f4eb4bcbf249dc8a88bb

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 15:36

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General

Target

RansomHub.pdf
Size

3.3MB
MD5

48aad2367ba0721c600c4a717a2feff4
SHA1

34fcc5363f04d0bac4d67a76ae47176c51d7f983
SHA256

b747529d675db1273216e869aec8d35e0ba609a8ef15f4eb4bcbf249dc8a88bb
SHA512

e697f7ab1e58c54d5a2d260e2187a68740125076a6c9d7e1367732fc38cf6c3f2d1c344df80b2d282ab20e2a041c2d19ebcac98a810d921faa6112383d6de1f3
SSDEEP

98304:Mt71yV25T4EwfI5R9mc9XIRdEao+xaXhC:MKGwQ5R9mcuRa/3Xg

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe
2260	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1420	2260	AcroRd32.exe	94
PID 2260 wrote to memory of 1420	2260	AcroRd32.exe	94
PID 2260 wrote to memory of 1420	2260	AcroRd32.exe	94
PID 2260 wrote to memory of 2212	2260	AcroRd32.exe	96
PID 2260 wrote to memory of 2212	2260	AcroRd32.exe	96
PID 2260 wrote to memory of 2212	2260	AcroRd32.exe	96
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3080	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99
PID 1420 wrote to memory of 5920	1420	RdrCEF.exe	99

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\RansomHub.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:2260
- 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:1420
- - 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=66CA13D7A4801418A2CE44C3D4DD0DDA --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=66CA13D7A4801418A2CE44C3D4DD0DDA --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3080
- - 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=49178FFEF77479D841DD8EB41690D511 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5920
- - 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=AD30A47F3266EF95DD8EF3F23F704476 --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=AD30A47F3266EF95DD8EF3F23F704476 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5888
- - 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=A981585359EEE5818DA31AF4152AC119 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1320
- - 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=C1CB1E8B915C4736D410F5D154DE2A91 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5156
- - 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=F665DAD4610BEEE4741CF4A8C3FB0D8D --mojo-platform-channel-handle=2620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1056
- 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:2212

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5528

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:5084

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
0d44fae1785fbc70b5f490497fa84c51

SHA1
0cbe0250569d6327904759f4ecf4bf5f6cd95ee4

SHA256
30f4979488356558f12578b53f450bd3a59da50d1d3a034c6ef8098d487d6427

SHA512
968a6c1537d5e372ad4c302c1879bb586347e3cff66d6689e27cdb93e988f4d81d47548bbd94c51d2113c591a1e1dcce0435d0086aacd0bbe97c5822aefa567c

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