bbba31714b0783b6b4f4b7794b7e782ece72686f51598df001043b49b0b67950

Analysis

max time kernel
160s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 06:11

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General

Target

b6b45721da7f37d224816b41df981272.pdf
Size

49KB
MD5

b6b45721da7f37d224816b41df981272
SHA1

52b654ee7017547d0fa4c2db287540b2b1392969
SHA256

bbba31714b0783b6b4f4b7794b7e782ece72686f51598df001043b49b0b67950
SHA512

27077c021400e27fd4cd07880cf7d891dd6e6c7c14fda63224a014772d36d8afa06c309e3ffeec3143b077a31da095c18f2d78b39f4bef72e7e2daefd9b232ef
SSDEEP

768:Dy6PE1gcHdrhiITDaYibh+N3np0HSyLvk9Eo3P3Z+UVVXxvmcQ5W4RQRcj:eUc99VTDmdoKHSyLeoUV5gcQg4RQ+j

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2652	1708	AcroRd32.exe	93
PID 1708 wrote to memory of 2652	1708	AcroRd32.exe	93
PID 1708 wrote to memory of 2652	1708	AcroRd32.exe	93
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 3692	2652	RdrCEF.exe	96
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97
PID 2652 wrote to memory of 1948	2652	RdrCEF.exe	97

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\b6b45721da7f37d224816b41df981272.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:1708
- 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:2652
- - 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=7E2554AF77C639E906B2A0B054E49893 --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=7E2554AF77C639E906B2A0B054E49893 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692
- - 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=CF148CCD1191F3A36993693F7AC10CA6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1948
- - 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=5167F83A853057AB09342C00AF2E8413 --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=5167F83A853057AB09342C00AF2E8413 --renderer-client-id=4 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2384
- - 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=AC76B5F88ADE3AE152EDCA6BDA6BF8CE --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=B04D8912E5DD9CCF674CA49FBC80A270 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328
- - 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=BD67B392D7D55C784D19E76C0E5A6036 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:644

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
7KB

MD5
3e4e365a26d7de555c87db57aca5d07b

SHA1
efa7c8f709196d80b651f861abd4592b6813945b

SHA256
fde2292ad87502dfa4bf5961f2a8738fefe7c600fa13d7aed9acc007b76af6ce

SHA512
7dcd1bb89c970d0fe72289fdf466928b2f9e1ee344d6ec53a8e554c7c275a50a8b9c48346e99f96c9c6adaeabbe2fa4f844ece370a6d3c0deb7d86e2c509d668

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
a2879429c3a7a889b552c94701d5b7e6

SHA1
ff7145225ae93b6d8f8e9bda1d59d07bea36a9f4

SHA256
456dab0bc4f867368c9e8f5607722a197f95e711b98aa8d6626f5c5a02a045b1

SHA512
eab8f7dad1cadab960e34ae0a71f498624922c06401ab7c232b968a8d1f599d359ea603c662ea6d3e811de7209b66911bb27056fc86be31c26301b46feb45854

Download Submit
memory/1708-129-0x000000000B910000-0x000000000BA5D000-memory.dmp

Filesize
1.3MB

Download