f65feecfb10b1dd11a5a142723ca7ae793b9d4dfceaeaeefc1e6529fd604f657

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 17:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a265ca97faebdadd8a9058118103acd7.pdf
Size

136KB
MD5

a265ca97faebdadd8a9058118103acd7
SHA1

84f1a94c1112d3c843e44c92dd303b6f86718d51
SHA256

f65feecfb10b1dd11a5a142723ca7ae793b9d4dfceaeaeefc1e6529fd604f657
SHA512

54544b982c7705fbc5924a22ef5f3950ba5837e475461db33e4b4a51cc2943d1ce13257e455579c77320f58a3b700eacba81aa658d4e959f2347ab6226ac2691
SSDEEP

3072:tf5ZUeAgAutoHFREzoVWhO/i6ARLM/gViqTJaSsQq:tf5fDAYoH0okE1esB

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 4776	1312	AcroRd32.exe	93
PID 1312 wrote to memory of 4776	1312	AcroRd32.exe	93
PID 1312 wrote to memory of 4776	1312	AcroRd32.exe	93
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 3560	4776	RdrCEF.exe	94
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	RdrCEF.exe	95
PID 4776 wrote to memory of 4952	4776	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\a265ca97faebdadd8a9058118103acd7.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:1312
- 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:4776
- - 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=F6702AA621CF33CF36D749E11D18E1B6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3560
- - 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=E548C89F1CED55CEFCD6EA81DCB898AE --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=E548C89F1CED55CEFCD6EA81DCB898AE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4952
- - 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=E7FBA47CD881E5EF07596D591414CBB6 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976
- - 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=6CDB8B6819AC8E2BBEA85890C991360A --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=6CDB8B6819AC8E2BBEA85890C991360A --renderer-client-id=5 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4228
- - 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=E78DF550C2A27ECC09D601C4EC3C85D9 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4376
- - 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=C58043915186F0BD2FF1B74DBEE07A60 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628

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
8f72c77b0726e31e75aacbb292e19c2f

SHA1
67698e2f0eab103ab907bba2e015ac74c4c1c0e3

SHA256
acc4ac7fcb0e34ee144901291f7ff9a6d78717ee6b3c83a61cceaaf32363f60f

SHA512
b2d915650b664dc041b259d58000389e0b5e40c602f38c5c3bc0b8edc0900e9d0285802458eef663a03d001a1352724383cb1ef45ea0a17fdb6bfd47bdddb84d

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