fb540ccd3afdd24bc3412aa84778615b1847876bd75eae88e6194a02ad864b46

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 19:50

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General

Target

bca77437445af1f9e2116a60424af7e6.pdf
Size

101KB
MD5

bca77437445af1f9e2116a60424af7e6
SHA1

3d03cc1f39127b16536c2d9f9cf9e7ee78b28e4d
SHA256

fb540ccd3afdd24bc3412aa84778615b1847876bd75eae88e6194a02ad864b46
SHA512

b85ed81fd56c51920d851db028d2ca777f239a2313e65dd344a39b70d759e76026987ccf40ff464afa82a73d955d468d3bc367dc95ede2e48db767cd94774610
SSDEEP

1536:fdMsarR9xkTtXd5QPicowgtjT+UmMo5zUr5s1HNWz+UszPgQRVWYWOpOZtWEWwgW:CpR9+CopT+UmMo5Qr2HYEjMVZ3WwgyT

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 1988	4836	AcroRd32.exe	98
PID 4836 wrote to memory of 1988	4836	AcroRd32.exe	98
PID 4836 wrote to memory of 1988	4836	AcroRd32.exe	98
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 1916	1988	RdrCEF.exe	101
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102
PID 1988 wrote to memory of 2292	1988	RdrCEF.exe	102

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\bca77437445af1f9e2116a60424af7e6.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:4836
- 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:1988
- - 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=4A76693D574BABD13BDABBD5DD5AA67B --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=76A9068F1319CEF72C3EBFEA06921C4B --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=76A9068F1319CEF72C3EBFEA06921C4B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2292
- - 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=6FFE12BC591B9EA42CA1DA8DA1070FC4 --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=6FFE12BC591B9EA42CA1DA8DA1070FC4 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1456
- - 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=2966658FC0E7CA7EC5441E37125E3051 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=4EDCAB5028BF0856F18811B5B96D98A9 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=4852955B2716CB1A9E0F4618761DBEAD --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:732

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1880

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=4152 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:8
1⤵
PID:5784

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
cddea2497101b62fb08061fe611486db

SHA1
204fdbff5e6838860e4e3ed549be8ea8ed2e0b9f

SHA256
1df62d01b9dc5bf187ffc63b422e8978d8f015c26922136648a02da7369cd2ce

SHA512
65c7fdef47e9ca8d87b942f479d1ffbb40bd55268d7dc811e6f99567e485f321b0275f24a212fa967db6e76dab7b704fabb2b2e0238fc9d21915fec3153e249c

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