a99f4fd619f5d85b305b6c3307373ebb00c83a50aa3a2934cf1c1ce046737573

Analysis

max time kernel
149s
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, 18:46

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General

Target

c15671d913b416a88fd4f889082fa384.pdf
Size

51KB
MD5

c15671d913b416a88fd4f889082fa384
SHA1

3cba4cc46934c91e7919c0c469f4640c20715a18
SHA256

a99f4fd619f5d85b305b6c3307373ebb00c83a50aa3a2934cf1c1ce046737573
SHA512

241750b008221411c64855cc778f4211bb0cbe9ade554c3f833193f6b53d433251b7cb8390eeeea43704706ed2b3bfe6b1fa1aff6d80966eda3045f16d5df532
SSDEEP

768:5gGzpD5peB+KkKyztEHT2pC3VgSITwyL6mXgCQEDQ/r2AOjx2YfWpmJYZM:6GFtpJKuwWJQ56AOlVfWcJYZM

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe
1580	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 3924	1580	AcroRd32.exe	93
PID 1580 wrote to memory of 3924	1580	AcroRd32.exe	93
PID 1580 wrote to memory of 3924	1580	AcroRd32.exe	93
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 1048	3924	RdrCEF.exe	94
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3296	3924	RdrCEF.exe	95

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\c15671d913b416a88fd4f889082fa384.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:1580
- 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:3924
- - 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=72ECAF183D6A1364DE9C56C0665B22D7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1048
- - 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=E99DF88CAAE6D17A406AC24C466A9E88 --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=E99DF88CAAE6D17A406AC24C466A9E88 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3296
- - 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=26748F96628E689954AB585EBCAC566F --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908
- - 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=EED57D683CBF627727EAD24607B1FBC5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372
- - 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=A0C6DD13A702E033C92E226F87A8B00C --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=A0C6DD13A702E033C92E226F87A8B00C --renderer-client-id=6 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4340
- - 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=A362B8017CBFF0C68E102CC63C349B98 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2936

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4296

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
0bf3ef6ebc711bffc0fc77a2e51d6396

SHA1
ae2c4581ff5d5256c08d2ad8422143f14e1e30fa

SHA256
afb6359ca0c0faba379b4e784dd9efedb68f221f8378ada12b79ee7357a1b4c4

SHA512
b35b9eeb8b99f834843138d8ee379bc48cb36dbcccb4a4ad8f4e7d0ee7e6fdd585dcdd81174a19284cb7271d05b2ea7b12c6f0361d81ba82098a6e097621345e

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