6bbc4ddc770e0f8841f478067d1d33c2d51ae6eafae50f50d9d92a95e4a51b16

General

Target

427503a469a220f4f53b0a5057c89d91_JaffaCakes118.pdf
Size

31.5MB
MD5

427503a469a220f4f53b0a5057c89d91
SHA1

1f8dd65fe53119bb818ab56e0da4eadb6abc1927
SHA256

6bbc4ddc770e0f8841f478067d1d33c2d51ae6eafae50f50d9d92a95e4a51b16
SHA512

22da4880e3e338c63f7bbdedd1754cf05159fc6f74014009bf79de3cde936a83c17a35d28c206ad774488b37fe7ab9d45f03635c14133a5bbafa704597aee46d
SSDEEP

786432:eLE7dchkNX74Bm9phF87B3/5r1AkiT+/OROD30xsHPAzqOwJXwg:z7drNXcBmnz87BPBUTxQj0eHP4q/gg

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe
3932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3932 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

3932 AcroRd32.exe
3932 AcroRd32.exe
3932 AcroRd32.exe
3932 AcroRd32.exe
3932 AcroRd32.exe
3932 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3932 wrote to memory of 508	3932	AcroRd32.exe	RdrCEF.exe
PID 3932 wrote to memory of 508	3932	AcroRd32.exe	RdrCEF.exe
PID 3932 wrote to memory of 508	3932	AcroRd32.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 1616	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe
PID 508 wrote to memory of 5776	508	RdrCEF.exe	RdrCEF.exe

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\427503a469a220f4f53b0a5057c89d91_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:3932

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:508

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=AF899A8DFE62FEC952918D155786D7AD --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1616

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=0D478AE4770A263AA0512182C588C999 --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=0D478AE4770A263AA0512182C588C999 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
3⤵
PID:5776

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=465401AAB75ADFD6A1108D4AA7ED3A2C --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5800

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=174A73E1C0592C63DECCC045CD928DE5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3448

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=05243DC040110CA123D10C991764A759 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5404

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3420

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
64KB

MD5
e13189e15d255410610553de9452538c

SHA1
2a2c6f5a3a3cf466ecf494fd4094562014f072d6

SHA256
ee7af2ce1376dcef83f6e75f325012ae417817607ad0a1b0827efb64778dce7b

SHA512
768f5ae230b4bf70764fb099701a5345e5174a3ed2c0590fafe87ac1e0b00a21dcd350c4b6530be883d59a1155af5179338d1f438029be00727af271ea71f183

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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads