98684d9029531bcde6c8d79efe3849bf5e8a134c9e586d99ae4d043815ce202b

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 10:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5639cd99f3bfd5b71ea25843dabae86b.pdf
Size

194KB
MD5

5639cd99f3bfd5b71ea25843dabae86b
SHA1

ac14c84941bee59d2739576216babedb5e8c6c98
SHA256

98684d9029531bcde6c8d79efe3849bf5e8a134c9e586d99ae4d043815ce202b
SHA512

ecd21e4ffe2705c9b620e127cb6be46c0faaebcbe811b049918cf81bd16cb5565e69ca5f4954d092e78ceba1692057110cbf4f56b1d8028d420bb45e6c5be74f
SSDEEP

3072:/VChDUZ3ZzUv9aHOU/+nRghOIAV4VEre0FMbblM3gcLpu9++OQgg5kDPzmgFtmwU:/HJzlu7nRXIAVBK0Fubspv+OPZ15BGj

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 3636	5076	AcroRd32.exe	92
PID 5076 wrote to memory of 3636	5076	AcroRd32.exe	92
PID 5076 wrote to memory of 3636	5076	AcroRd32.exe	92
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 3660	3636	RdrCEF.exe	93
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94
PID 3636 wrote to memory of 4540	3636	RdrCEF.exe	94

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\5639cd99f3bfd5b71ea25843dabae86b.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:5076
- 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:3636
- - 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=C9972EDA68A7790FCE6D6C2C582CF75E --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3660
- - 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=42E541CA6E1BAAA997739BF2CB894A45 --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=42E541CA6E1BAAA997739BF2CB894A45 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4540
- - 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=A3BC4C8763A4917B4676CD752944268C --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=A3BC4C8763A4917B4676CD752944268C --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2288
- - 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=988412F866F467023407130620FE1260 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2196
- - 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=B203255D0190E977F23012B28ECBE5E2 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2132
- - 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=2A48CD97FF6CF830F719EDEFBB23B84D --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3488

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1340

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
fbd1ce7cb7cb5736c13d9feb7cfdee84

SHA1
e2010625fe48832184976515b5e184d90fd412d0

SHA256
d9be3be2f3bcad9ff2e0b89498b18bc242fb89c9230c3e29b2a694d0aa6d1c62

SHA512
4106a43c2cba90e3ed36bd1e9b439546c2b626e489109a5973ee80e0d331641b7b20d507558380cf0ef1725b351d618dd8b097bfcf824451683a1ba42e3f808a

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