0658d978857d17ce76230f336cc8afca687d626462e0b7c198f079e6670d286d

Resubmissions

15/01/2024, 05:36

240115-gak54sacfk 3

15/01/2024, 05:28

240115-f54ehaabgk 3

Analysis

max time kernel
61s
max time network
41s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/01/2024, 05:28

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General

Target

INV-50369845.pdf
Size

79KB
MD5

92694bd18054d4e229699f6212202e94
SHA1

15ab5879ef6ebad38ed7d80eeea2b116708a84e3
SHA256

3e92282aa46bd4acda44d52d857cac09e53d83e1edfcb312055ab49436898324
SHA512

a3f9f87c5b61cebd555b6f4e68887e6d19680f34a80ed4408c1a3b2eebb64d61508a00a819f91e84de753cc5e7973f4d9189060da94f78b09c1235502b425b5d
SSDEEP

1536:bfqkx3IxxGPaw05tyasGXAgKViKzMqf0HJ58cqBHvyUA+lRh3/mGe:DrUwaw+yasfzzMqfWJ5bqcmFP2

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 2808	1140	AcroRd32.exe	93
PID 1140 wrote to memory of 2808	1140	AcroRd32.exe	93
PID 1140 wrote to memory of 2808	1140	AcroRd32.exe	93
PID 1140 wrote to memory of 4252	1140	AcroRd32.exe	96
PID 1140 wrote to memory of 4252	1140	AcroRd32.exe	96
PID 1140 wrote to memory of 4252	1140	AcroRd32.exe	96
PID 1140 wrote to memory of 2420	1140	AcroRd32.exe	98
PID 1140 wrote to memory of 2420	1140	AcroRd32.exe	98
PID 1140 wrote to memory of 2420	1140	AcroRd32.exe	98
PID 1140 wrote to memory of 2948	1140	AcroRd32.exe	99
PID 1140 wrote to memory of 2948	1140	AcroRd32.exe	99
PID 1140 wrote to memory of 2948	1140	AcroRd32.exe	99
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5048	2420	RdrCEF.exe	100
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101
PID 2420 wrote to memory of 5004	2420	RdrCEF.exe	101

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\INV-50369845.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:1140
- 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:2808
- 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:4252
- 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:2420
- - 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=1DB803693A2E9139E33C2440B9C5940C --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C0488AB42DDD53F16CDE9659EFB93061 --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=C0488AB42DDD53F16CDE9659EFB93061 --renderer-client-id=2 --mojo-platform-channel-handle=1780 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5004
- - 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=4A872F27A980CAF118B7EF8C8F08A4E8 --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=4A872F27A980CAF118B7EF8C8F08A4E8 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --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=0AB5065FE56CBA328FE5ED04D0A10604 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608
- - 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=90AE0E2818E695F337DB5670B308B8DE --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2088
- - 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=A12845CBE50BAA8A0CDB8517D4102A56 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2080
- 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:2948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1696

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
90ec413143b715dabd7b0dac585886e8

SHA1
3a2e6612ab4d9ea2ce2f7e05a40cb44a28dd13ed

SHA256
35b1e377a1133a431618dd69339a67aff3041df5a03a5ed7f176b8cb4dedfb68

SHA512
49a7bea09fd2c04afff7769bed8387f2e448971b3d93a3d76899f196ac68a1210c5e98a0fc6ea234235d88ca9f1029f412c25c899b77ef829c986ece262ecb42

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