d1967e31cf3c8d42d3da353530a3578140e796c8c58df1ebf4ca1a5081c02e2c

Analysis

max time kernel
152s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 04:08

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General

Target

bfceb013b04dc14c50c567940bfdfda7.pdf
Size

50KB
MD5

bfceb013b04dc14c50c567940bfdfda7
SHA1

164c69a25486f45f2bf9d73263b4a7c48951ec15
SHA256

d1967e31cf3c8d42d3da353530a3578140e796c8c58df1ebf4ca1a5081c02e2c
SHA512

4f18fd023a0a7a078aa5f852d098b2d44db31285a00de6f9a3f85c7e7ce2c8b96e1dc92e7525052b0ff1fb5a5c87195a486320f6878b652e2cd6bee25c9c4620
SSDEEP

768:88sJwKe12LbfBzAnhFXlL4RzTCE9vVxasJCCxkktqBYaYLRlEUqgIT/VL6jZ:y+1igFyRzGE9dxVRkktqBfELEV1L6jZ

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
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe
4100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 1396	4100	AcroRd32.exe	103
PID 4100 wrote to memory of 1396	4100	AcroRd32.exe	103
PID 4100 wrote to memory of 1396	4100	AcroRd32.exe	103
PID 4100 wrote to memory of 3696	4100	AcroRd32.exe	105
PID 4100 wrote to memory of 3696	4100	AcroRd32.exe	105
PID 4100 wrote to memory of 3696	4100	AcroRd32.exe	105
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 4668	1396	RdrCEF.exe	107
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108
PID 1396 wrote to memory of 1148	1396	RdrCEF.exe	108

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\bfceb013b04dc14c50c567940bfdfda7.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:4100
- 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:1396
- - 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=E82EC29D5FED28F0913090D2CE9FCEDA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=444C991E158192988D713B00E80182F7 --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=444C991E158192988D713B00E80182F7 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1148
- - 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=0CE4323639E6A8E71C87F48CE98B1989 --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=0CE4323639E6A8E71C87F48CE98B1989 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1568
- - 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=97945ACFBBEC14774226BDE8ACE6DDF4 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820
- - 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=700012494B132A95271D0AF699282EEE --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=0D65040D6D4D348B0CAE2CB3F66CC6B2 --mojo-platform-channel-handle=2600 --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" --backgroundcolor=16514043
  2⤵
  PID:3696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4316

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=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:5420

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
ddf6955f1da91b5a532d36124da61ec3

SHA1
4c3a5f703297dc1f57644ef145438e3f7861892e

SHA256
f86c434f0ad0520e6af21452edc919207046cd59eb38aa983d539172c2699f1c

SHA512
83a6e870fbb2c21876240e0d6189609bd25f50a06cccf298c8b77781796f6d5bb36593fda3578b29d7cb98dee373340960cdae910998af5f0fa9e438a0d3adcf

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