f0f2fb71837a793c208c89d81c3861fc7f729840aaf1a45df04d95a102e3994b

Analysis

max time kernel
145s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 20:55

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General

Target

03bf519c153a24712b21383fb0b8919d.exe
Size

250KB
MD5

03bf519c153a24712b21383fb0b8919d
SHA1

fae3ae91bd0fabc662c55b685b14ccc030e1df13
SHA256

f0f2fb71837a793c208c89d81c3861fc7f729840aaf1a45df04d95a102e3994b
SHA512

142148ff7464de056d3629e1293dece638e39747154cf82685e08619f9b569638622b236ae95f50d7d95d9b75858964f28a525274b9f32b8de9ccd73c0cbcd8a
SSDEEP

6144:j7y+Qfb56BBMl5yyw5CpA/7sJ5pwvP6bQ7yMP+DE827KJH:/yf6aw5krJ5i6b7MP+Dd2K

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\inf\ram32xp.dll	03bf519c153a24712b21383fb0b8919d.exe
File created	C:\Windows\inf\ram65xp.dll	03bf519c153a24712b21383fb0b8919d.exe

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

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	03bf519c153a24712b21383fb0b8919d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	03bf519c153a24712b21383fb0b8919d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	03bf519c153a24712b21383fb0b8919d.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3296	2524	03bf519c153a24712b21383fb0b8919d.exe	91
PID 2524 wrote to memory of 3296	2524	03bf519c153a24712b21383fb0b8919d.exe	91
PID 2524 wrote to memory of 3296	2524	03bf519c153a24712b21383fb0b8919d.exe	91
PID 2548 wrote to memory of 636	2548	explorer.exe	93
PID 2548 wrote to memory of 636	2548	explorer.exe	93
PID 2548 wrote to memory of 636	2548	explorer.exe	93
PID 636 wrote to memory of 3988	636	AcroRd32.exe	97
PID 636 wrote to memory of 3988	636	AcroRd32.exe	97
PID 636 wrote to memory of 3988	636	AcroRd32.exe	97
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 1704	3988	RdrCEF.exe	98
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99
PID 3988 wrote to memory of 2208	3988	RdrCEF.exe	99

C:\Users\Admin\AppData\Local\Temp\03bf519c153a24712b21383fb0b8919d.exe
"C:\Users\Admin\AppData\Local\Temp\03bf519c153a24712b21383fb0b8919d.exe"
1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe "c:\FINAL_TBF2.pdf"
  2⤵
  PID:3296

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\FINAL_TBF2.pdf"
  2⤵
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:636
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - 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=B49663393FBB0F67787E4CEE96F3A8EA --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:1704
  - - 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=244A14121C4F8EFFEF73A1A29D11A8CC --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=244A14121C4F8EFFEF73A1A29D11A8CC --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
      4⤵
      PID:2208
  - - 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=319ED020F0B6BD4B4633F85BFD4464D2 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:1596
  - - 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=DA202533189AB0489FDCA2B66732DD1A --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:3120
  - - 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=DA3FE691440D517833413176A29EB34A --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:3544

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

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Downloads

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

Filesize
64KB

MD5
498343a4f8a74a3109effe892e8cd711

SHA1
aca573cd3fddab8007ef53c84947ab1f65353f47

SHA256
f8acade623458188964ae0fab1b7db5638c8aff741a7712783ba53549d976945

SHA512
2f5d9701dc979fd37c384807aecb41498c58d1a232574b8e93ca285a0963332e26c721e23893fa11824c3006908d877353c36daef0965e5816f4d85fcf3f259f

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/636-144-0x000000000A5A0000-0x000000000A84B000-memory.dmp

Filesize
2.7MB

Download
memory/2524-7-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/2524-4-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/2524-11-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/2524-10-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/2524-9-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/2524-8-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2524-0-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2524-6-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2524-5-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/2524-12-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/2524-2-0x0000000002230000-0x0000000002232000-memory.dmp

Filesize
8KB

Download
memory/2524-16-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2524-17-0x00000000020F0000-0x0000000002120000-memory.dmp

Filesize
192KB

Download
memory/2524-13-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/2524-14-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/2524-15-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/2524-1-0x00000000020F0000-0x0000000002120000-memory.dmp

Filesize
192KB

Download