715da6658fc273b28d8dc7fe5b1a7b98dbb2a2034f0fe468f479b0fc7b2004a3

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 20:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3a9c404ba0f2ff226888ecb227feaac7.pdf
Size

88KB
MD5

3a9c404ba0f2ff226888ecb227feaac7
SHA1

10822504b4d4b3101fc04b6eb2c771cf3ddcad68
SHA256

715da6658fc273b28d8dc7fe5b1a7b98dbb2a2034f0fe468f479b0fc7b2004a3
SHA512

fa524100bc52444f4f97c94fd996167c9af9d38459ae07995fd92f762d160766735afbdbff21481ca026ae06109ef4d89d8a7618ba42ce76320e9de9b7a83a31
SSDEEP

1536:WX9sylE2xIc2lc84CHQMOLwjPaz45AdCyVMQ4oZ9BJJ55Nu6WL5rL43Dh4WW6pO0:ysN2Ic2lc84CHDPjJ5w5VhZTJJFu7Lsj

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3476	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe
3476	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 5052	3476	AcroRd32.exe	92
PID 3476 wrote to memory of 5052	3476	AcroRd32.exe	92
PID 3476 wrote to memory of 5052	3476	AcroRd32.exe	92
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 2904	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4776	5052	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\3a9c404ba0f2ff226888ecb227feaac7.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:3476
- 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:5052
- - 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=4DA23973E1DD70B558633E2880421F6C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2904
- - 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=874206AFFF83A33845919951B9418A01 --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=874206AFFF83A33845919951B9418A01 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=656FBFA609D01AF8675CF06CFE6C5F57 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564
- - 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=B60C39029D15BCE27C81AAD42729FE90 --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=B60C39029D15BCE27C81AAD42729FE90 --renderer-client-id=5 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1508
- - 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=2F5115789EBB72884091F4CDE5A0833F --mojo-platform-channel-handle=2556 --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=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=2D06DCD68DED28D12CF7081D6E70E581 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1048

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
9dd442474941cfac1b5ea36a16048eec

SHA1
4bc84ebb0bd9241c8e3a2fdc114a8cc1a9795c63

SHA256
9e97afcd7ed65ab2023bf834dd9db19e867b1ce8edda338edadfcf9afa0ec3fa

SHA512
84ba5fcf8a108a8f1cde8a769988bc0b7f0b3320c06f9c4001b0a771cd6072edf1628ea14cf975b593b3f7a80948eda3f857c64687ce8b8e7ea1c3cd2dd6024f

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/3476-25-0x000000000BCA0000-0x000000000BCF0000-memory.dmp

Filesize
320KB

Download