cobaltstrike | c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2023, 08:03

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General

Target

c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
Size

7.6MB
MD5

5c052f9774deb6a1d51b908243c1be4e
SHA1

16b9cf63550e00c92073094454eceb9f17bece40
SHA256

c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142
SHA512

d6b69bd09b7f83922e2341f76f35d844b9da4c4aa95180c727eb54c7ff4be5e3b235b3330baf3885140142227dad1a3005bbaeb225e8c279b8a89308d553edb5
SSDEEP

196608:hmPA5SCsXDjDyf6L2WliXYrHW10EOkeMhxmQ4Mmoa2JjrA:MPbCEDVL2ciIrHWNzeMbmQ4M84

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

http://143.92.58.106:80/G4wk

Attributes

user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; BOIE9;ENXA)

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

Loads dropped DLL 8 IoCs

pid	Process
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
888	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4884	888	WerFault.exe	82

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 888	4224	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe	82
PID 4224 wrote to memory of 888	4224	c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe	82

C:\Users\Admin\AppData\Local\Temp\c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
"C:\Users\Admin\AppData\Local\Temp\c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe
  "C:\Users\Admin\AppData\Local\Temp\c5bcc7383585d022e442da5a6483c46f9502942f083ec5b93f6dc748466e3142.exe"
  2⤵
  - Loads dropped DLL
  PID:888
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 888 -s 1200
    3⤵
    - Program crash
    PID:4884

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 184 -p 888 -ip 888
1⤵
PID:2996

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI42242\VCRUNTIME140.dll

Filesize
94KB

MD5
18049f6811fc0f94547189a9e104f5d2

SHA1
dc127fa1ff0aab71abd76b89fc4b849ad3cf43a6

SHA256
c865c3366a98431ec3a5959cb5ac3966081a43b82dfcd8bfefafe0146b1508db

SHA512
38fa01debdb8c5369b3be45b1384434acb09a6afe75a50a31b3f0babb7bc0550261a5376dd7e5beac74234ec1722967a33fc55335b1809c0b64db42f7e56cdf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\VCRUNTIME140.dll

Filesize
94KB

MD5
18049f6811fc0f94547189a9e104f5d2

SHA1
dc127fa1ff0aab71abd76b89fc4b849ad3cf43a6

SHA256
c865c3366a98431ec3a5959cb5ac3966081a43b82dfcd8bfefafe0146b1508db

SHA512
38fa01debdb8c5369b3be45b1384434acb09a6afe75a50a31b3f0babb7bc0550261a5376dd7e5beac74234ec1722967a33fc55335b1809c0b64db42f7e56cdf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\_ctypes.pyd

Filesize
124KB

MD5
7322f8245b5c8551d67c337c0dc247c9

SHA1
5f4cb918133daa86631211ae7fa65f26c23fcc98

SHA256
4fcf4c9c98b75a07a7779c52e1f7dff715ae8a2f8a34574e9dac66243fb86763

SHA512
52748b59ce5d488d2a4438548963eb0f2808447c563916e2917d08e5f4aab275e4769c02b63012b3d2606fdb5a8baa9eb5942ba5c5e11b7678f5f4187b82b0c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\_ctypes.pyd

Filesize
124KB

MD5
7322f8245b5c8551d67c337c0dc247c9

SHA1
5f4cb918133daa86631211ae7fa65f26c23fcc98

SHA256
4fcf4c9c98b75a07a7779c52e1f7dff715ae8a2f8a34574e9dac66243fb86763

SHA512
52748b59ce5d488d2a4438548963eb0f2808447c563916e2917d08e5f4aab275e4769c02b63012b3d2606fdb5a8baa9eb5942ba5c5e11b7678f5f4187b82b0c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\_socket.pyd

Filesize
78KB

MD5
478abd499eefeba3e50cfc4ff50ec49d

SHA1
fe1aae16b411a9c349b0ac1e490236d4d55b95b2

SHA256
fdb14859efee35e105f21a64f7afdf50c399ffa0fa8b7fcc76dae4b345d946cb

SHA512
475b8d533599991b4b8bfd27464b379d78e51c41f497e81698b4e7e871f82b5f6b2bfec70ec2c0a1a8842611c8c2591133eaef3f7fc4bc7625e18fc4189c914e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\_socket.pyd

Filesize
78KB

MD5
478abd499eefeba3e50cfc4ff50ec49d

SHA1
fe1aae16b411a9c349b0ac1e490236d4d55b95b2

SHA256
fdb14859efee35e105f21a64f7afdf50c399ffa0fa8b7fcc76dae4b345d946cb

SHA512
475b8d533599991b4b8bfd27464b379d78e51c41f497e81698b4e7e871f82b5f6b2bfec70ec2c0a1a8842611c8c2591133eaef3f7fc4bc7625e18fc4189c914e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\base_library.zip

Filesize
780KB

MD5
6fbce302a1566d05ad6a661272717ff8

SHA1
60b90b668abe89f8476758726f63b92d844102b9

SHA256
d51863f4c783ee47b978cf81f3a0561d7f5fa44da0323981b4cd0a88c9fe0ba9

SHA512
b5f736ee2800ece67611919030bec5bad33b7421a42b5aaa3fb5f6ff8c9544516af6cff658cb4dcac80dcd9c1e5a5d89d56e3fb9ff645672b0dd693a25e5798d

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\libffi-7.dll

Filesize
32KB

MD5
eef7981412be8ea459064d3090f4b3aa

SHA1
c60da4830ce27afc234b3c3014c583f7f0a5a925

SHA256
f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081

SHA512
dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\libffi-7.dll

Filesize
32KB

MD5
eef7981412be8ea459064d3090f4b3aa

SHA1
c60da4830ce27afc234b3c3014c583f7f0a5a925

SHA256
f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081

SHA512
dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\python39.dll

Filesize
4.3MB

MD5
1d5e4c20a20740f38f061bdf48aaca4f

SHA1
de1b64ab5219aa6fef95cd2b0ccead1c925fd0d0

SHA256
f8172151d11bcf934f2a7518cd0d834e3f079bd980391e9da147ce4cff72c366

SHA512
9df64c97e4e993e815fdaf7e8ecbc3ce32aa8d979f8f4f7a732b2efa636cfeb9a145fe2c2dcdf2e5e9247ee376625e1fdc62f9657e8007bb504336ac8d05a397

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\python39.dll

Filesize
4.3MB

MD5
1d5e4c20a20740f38f061bdf48aaca4f

SHA1
de1b64ab5219aa6fef95cd2b0ccead1c925fd0d0

SHA256
f8172151d11bcf934f2a7518cd0d834e3f079bd980391e9da147ce4cff72c366

SHA512
9df64c97e4e993e815fdaf7e8ecbc3ce32aa8d979f8f4f7a732b2efa636cfeb9a145fe2c2dcdf2e5e9247ee376625e1fdc62f9657e8007bb504336ac8d05a397

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\pywintypes39.dll

Filesize
136KB

MD5
f0c9ae2851bdadd218d864430281b576

SHA1
b7fb397f1c9cd07c81c7ae794b2af794c918746f

SHA256
15ff353b873b58c7a8af42d94462aa4cb4ea03c10673a87a0d7f2c42b7ec60c0

SHA512
915aa0121265b11d6ab58643fb1e4d867e3c49608dd5c8842364d4ed913f4742b4c4d54b21526ea62d7d48598b02c613f1ab39a4a071e403d4cc6fe68f839b7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\pywintypes39.dll

Filesize
136KB

MD5
f0c9ae2851bdadd218d864430281b576

SHA1
b7fb397f1c9cd07c81c7ae794b2af794c918746f

SHA256
15ff353b873b58c7a8af42d94462aa4cb4ea03c10673a87a0d7f2c42b7ec60c0

SHA512
915aa0121265b11d6ab58643fb1e4d867e3c49608dd5c8842364d4ed913f4742b4c4d54b21526ea62d7d48598b02c613f1ab39a4a071e403d4cc6fe68f839b7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\select.pyd

Filesize
28KB

MD5
fed3dae56f7c9ea35d2e896fede29581

SHA1
ae5b2ef114138c4d8a6479d6441967c170c5aa23

SHA256
d56542143775d02c70ad713ac36f295d473329ef3ad7a2999811d12151512931

SHA512
3128c57724b0609cfcaca430568d79b0e6abd13e5bba25295493191532dba24af062d4e0340d0ed68a885c24fbbf36b7a3d650add2f47f7c2364eab6a0b5faff

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\select.pyd

Filesize
28KB

MD5
fed3dae56f7c9ea35d2e896fede29581

SHA1
ae5b2ef114138c4d8a6479d6441967c170c5aa23

SHA256
d56542143775d02c70ad713ac36f295d473329ef3ad7a2999811d12151512931

SHA512
3128c57724b0609cfcaca430568d79b0e6abd13e5bba25295493191532dba24af062d4e0340d0ed68a885c24fbbf36b7a3d650add2f47f7c2364eab6a0b5faff

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\ucrtbase.dll

Filesize
987KB

MD5
61eb0ad4c285b60732353a0cb5c9b2ab

SHA1
21a1bea01f6ca7e9828a522c696853706d0a457b

SHA256
10521fe73fe05f2ba95d40757d9f676f2091e2ed578da9d5cdef352f986f3bcd

SHA512
44cd871f48b5193abb3b9664dbea8cdad19e72c47b6967c685cf1cc803bc9abb48a8a93009c972ef4936e7f78e3c92110828790aa0a9d26b80e6a523bbcd830d

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI42242\ucrtbase.dll

Filesize
987KB

MD5
61eb0ad4c285b60732353a0cb5c9b2ab

SHA1
21a1bea01f6ca7e9828a522c696853706d0a457b

SHA256
10521fe73fe05f2ba95d40757d9f676f2091e2ed578da9d5cdef352f986f3bcd

SHA512
44cd871f48b5193abb3b9664dbea8cdad19e72c47b6967c685cf1cc803bc9abb48a8a93009c972ef4936e7f78e3c92110828790aa0a9d26b80e6a523bbcd830d

Download Submit
memory/888-80-0x000002A927E80000-0x000002A927E81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads