a381cf8b8c4886975c053af62bd771455fdbe50d2fba08f49547e1508a52b41e

Analysis

max time kernel
154s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 08:55

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

c2f762aab929d5ce1794b31eda007101.pdf
Size

74KB
MD5

c2f762aab929d5ce1794b31eda007101
SHA1

d4804ed96587381998b6ec1402c51dab20cec963
SHA256

a381cf8b8c4886975c053af62bd771455fdbe50d2fba08f49547e1508a52b41e
SHA512

ef3231df4a2cb4a4d514800db72d28b5c294592a2aad431e89856e550913525aef9e4ceb018d1705bfc0f272ea8414a3ba754eaa1bbcb2ad8349ced78945f797
SSDEEP

1536:ZhHJp1Ij4KSTBk9lh0zK5LDwayoMQvWABueq44s/VC9WhXDX1ND5I37cr2BDin1t:/Jp1IjHmBk/hs2LDsKVBuO4sM9WVDX1J

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 1068	3336	AcroRd32.exe	103
PID 3336 wrote to memory of 1068	3336	AcroRd32.exe	103
PID 3336 wrote to memory of 1068	3336	AcroRd32.exe	103
PID 3336 wrote to memory of 3188	3336	AcroRd32.exe	107
PID 3336 wrote to memory of 3188	3336	AcroRd32.exe	107
PID 3336 wrote to memory of 3188	3336	AcroRd32.exe	107
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2992	1068	RdrCEF.exe	108
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109
PID 1068 wrote to memory of 2508	1068	RdrCEF.exe	109

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\c2f762aab929d5ce1794b31eda007101.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3336
- 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:1068
- - 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=D6FF604574CAAD0E755380ABF78FB9A7 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2992
- - 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=B8544DF8FB3B8503D80A79932CF0B1B1 --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=B8544DF8FB3B8503D80A79932CF0B1B1 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2508
- - 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=36A8B271A94CC19E6B499A53F8D1C0B2 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1288
- - 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=8F0F925414BFDE5ABAC250335ECCC610 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=831A5D3CDCA436B7A0F973DFA40DC7B5 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440
- 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:3188

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=3488 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:4468

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
6d61e573393fa261da00649342aac58b

SHA1
53ef0ea7ef6c2ec014669c43e291726b21b14633

SHA256
a299eb6300e2bc1990249174152239bcc9a9163910698c8d9cf9ab0a5e5a73c4

SHA512
6298ccd457d2e973fa3c6d72f18a799b3ee534bdbe81038d939fbc8c1983ae4b7223c1713a2c5537fe86bd214c282b87c49ba2ece720fe5c218d5cca9dd0cac2

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
memory/3336-120-0x000000000A060000-0x000000000A30B000-memory.dmp

Filesize
2.7MB

Download