fbfdbc5cffa96bd994f6d3b948d0f97fc8ddb8405f1b7efb210458ef9003c58c

General

Target

bf33d81a0e949f570c9f8b71eb363f39.pdf
Size

34KB
MD5

bf33d81a0e949f570c9f8b71eb363f39
SHA1

d0ba515b5c92e13f84e03fb3d3b23873e6dabd1a
SHA256

fbfdbc5cffa96bd994f6d3b948d0f97fc8ddb8405f1b7efb210458ef9003c58c
SHA512

332b268a24937872e168874436b13a771663022fe390c6245c7bbc8f7c0ee6e203c03a2ef056eef04f719b7f8cecb6c45e52e8dc315214ad5de2452328edce42
SSDEEP

768:+JhCb7qnmXSSN9nfrymlFsvq1NoBqpDWd6QWVh2QATojl:tb7fd9neOGq1CeWQVh2QDjl

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 26 IoCs

pid	Process
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
928	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe
928	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 1556	928	AcroRd32.exe	105
PID 928 wrote to memory of 1556	928	AcroRd32.exe	105
PID 928 wrote to memory of 1556	928	AcroRd32.exe	105
PID 928 wrote to memory of 376	928	AcroRd32.exe	110
PID 928 wrote to memory of 376	928	AcroRd32.exe	110
PID 928 wrote to memory of 376	928	AcroRd32.exe	110
PID 928 wrote to memory of 4528	928	AcroRd32.exe	111
PID 928 wrote to memory of 4528	928	AcroRd32.exe	111
PID 928 wrote to memory of 4528	928	AcroRd32.exe	111
PID 928 wrote to memory of 1116	928	AcroRd32.exe	113
PID 928 wrote to memory of 1116	928	AcroRd32.exe	113
PID 928 wrote to memory of 1116	928	AcroRd32.exe	113
PID 928 wrote to memory of 4420	928	AcroRd32.exe	114
PID 928 wrote to memory of 4420	928	AcroRd32.exe	114
PID 928 wrote to memory of 4420	928	AcroRd32.exe	114
PID 928 wrote to memory of 532	928	AcroRd32.exe	115
PID 928 wrote to memory of 532	928	AcroRd32.exe	115
PID 928 wrote to memory of 532	928	AcroRd32.exe	115

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\bf33d81a0e949f570c9f8b71eb363f39.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:928
- 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:1556
- 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:376
- 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:4528
- 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:1116
- 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:4420
- 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:532

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=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
2d184c451102c64bcda70acb184c3f49

SHA1
a4631fd30ce0807d6018fcbf26808d23abff65ec

SHA256
b4ef5a91a6ae066ff383eadc877b762eb8c8e97347f1c41883131a4d25041f6f

SHA512
4579c695b16eecfdf4ac992bb61bd4ea7db02624046bbbee33d5daeef2589681ad7019c40cc4d42bb249c9d969202a4b17670656faa83ef8d977341c7701ed19

Download Submit

Analysis

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