fc91fbb342cc654089dc9dc4b237ba2809fad39873897cb5946889c2f1eaa108

Analysis

max time kernel
144s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 03:56

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General

Target

3fd4f78898222a510a16c30403f0480e.pdf
Size

45KB
MD5

3fd4f78898222a510a16c30403f0480e
SHA1

ade7a5443a4b3ed7d9d79179f99cb51f37253daa
SHA256

fc91fbb342cc654089dc9dc4b237ba2809fad39873897cb5946889c2f1eaa108
SHA512

b3f23bdd4409ed20b5bc0c279fd72c87c19c9673ad3fc1aedc41e344b67aad7e0f64f1aec0f29dc21e145a825fcb2cf139118c559d659633f6b8d09b29df2d4f
SSDEEP

768:KQyF/0xlLqr52MQAACy8FjDHToB70MjmRBYzmJ7sOODnGqwIom8DfRyR2vyF1kzx:KBMxlLqt2AAI347HmRGmdsjLnunzMRQD

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe
4008	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 2548	4008	AcroRd32.exe	96
PID 4008 wrote to memory of 2548	4008	AcroRd32.exe	96
PID 4008 wrote to memory of 2548	4008	AcroRd32.exe	96
PID 4008 wrote to memory of 1440	4008	AcroRd32.exe	99
PID 4008 wrote to memory of 1440	4008	AcroRd32.exe	99
PID 4008 wrote to memory of 1440	4008	AcroRd32.exe	99
PID 4008 wrote to memory of 3164	4008	AcroRd32.exe	101
PID 4008 wrote to memory of 3164	4008	AcroRd32.exe	101
PID 4008 wrote to memory of 3164	4008	AcroRd32.exe	101
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 4044	3164	RdrCEF.exe	102
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103
PID 3164 wrote to memory of 3428	3164	RdrCEF.exe	103

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\3fd4f78898222a510a16c30403f0480e.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:4008
- 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:2548
- 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:1440
- 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:3164
- - 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=1F63B24EF1486B9FEBEDF132D19926D3 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044
- - 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=B7C8779E356D733DED6C59AE9CCBAF62 --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=B7C8779E356D733DED6C59AE9CCBAF62 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3428
- - 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=94D4F14B3ECBB0B5E8F98880E5DD0815 --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=94D4F14B3ECBB0B5E8F98880E5DD0815 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2680
- - 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=A021EA0FAB990CD4E1ACACFC268D21B7 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=94EE1196DB85AFA71515C863CC527BF1 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- - 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=C86235A988449E61CA5A32446D97A1AB --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1440

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:760

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
fcab982442664f55c9e6b96fc04b5a52

SHA1
2b23e33473e5776431954d3056e76e5ec1598f15

SHA256
6d2e35ea9a86c55d902bc37e2b37d922013a963591bd7b6724d4ac4f1fce8d0e

SHA512
a6266dbc655ecc20eaed7f22a3857a6dfeae317d402a8f14db70fc04334d22235ddc596b57e9dcc0f48191b127d9898cfdd5d23e2331959c1b2a435665e06626

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