b065d733c7975190f1f4ebb9f06fe5610f8066361dfed37c852dd7b506d3c446

General

Target

fb9972c2de76f7e66deef65fcf5dfc9e_JaffaCakes118.pdf
Size

72KB
MD5

fb9972c2de76f7e66deef65fcf5dfc9e
SHA1

79a42b8992ab2417568a9f23541ad6251dde52d8
SHA256

b065d733c7975190f1f4ebb9f06fe5610f8066361dfed37c852dd7b506d3c446
SHA512

2136dbbd517e2767d1962eea24bc13e0fa8138eb01622dc274b78e1ddf300b38fbea2928191c27c5cabbc07547745ded35baa42f23f198dc4f645861b787668e
SSDEEP

1536:IQC5I+dtworkuM06kesJo/i7ZBOWypOlLdVKXJDWExUVlGcjy2:IHworkdses2KlBPlLeXJtCnr

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
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 1784	3968	AcroRd32.exe	97
PID 3968 wrote to memory of 1784	3968	AcroRd32.exe	97
PID 3968 wrote to memory of 1784	3968	AcroRd32.exe	97
PID 3968 wrote to memory of 2120	3968	AcroRd32.exe	99
PID 3968 wrote to memory of 2120	3968	AcroRd32.exe	99
PID 3968 wrote to memory of 2120	3968	AcroRd32.exe	99
PID 3968 wrote to memory of 2008	3968	AcroRd32.exe	101
PID 3968 wrote to memory of 2008	3968	AcroRd32.exe	101
PID 3968 wrote to memory of 2008	3968	AcroRd32.exe	101
PID 3968 wrote to memory of 3052	3968	AcroRd32.exe	102
PID 3968 wrote to memory of 3052	3968	AcroRd32.exe	102
PID 3968 wrote to memory of 3052	3968	AcroRd32.exe	102
PID 3968 wrote to memory of 3284	3968	AcroRd32.exe	103
PID 3968 wrote to memory of 3284	3968	AcroRd32.exe	103
PID 3968 wrote to memory of 3284	3968	AcroRd32.exe	103
PID 3968 wrote to memory of 5068	3968	AcroRd32.exe	104
PID 3968 wrote to memory of 5068	3968	AcroRd32.exe	104
PID 3968 wrote to memory of 5068	3968	AcroRd32.exe	104

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\fb9972c2de76f7e66deef65fcf5dfc9e_JaffaCakes118.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:3968
- 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:1784
- 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:2120
- 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:2008
- 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:3052
- 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:3284
- 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:5068

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=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:2116

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

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
64KB

MD5
fd697ae1584969a8e28a02784616dca7

SHA1
bf0cc17255815a11efc7b9b2ebb51698ff4f8271

SHA256
aa954f1e6e6b4d404704b8a12106a0607a92f4f998e0da21b1d63c8b24175fcc

SHA512
01b16c15f6b1f339191e334c5435ac003e32d4263743c678043011744d7cc586f84dc230cf1b42f5eda4e3a467caeab152fbe15a0b44b54a8ad04cf6363e45d7

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Analysis

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