cobaltstrike | 1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 11:35

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General

Target

1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe
Size

4.9MB
MD5

c2c7c1cd57923fcd3f979c66dd9718e3
SHA1

f7380ed912565ca550073cb803f09edc29cafd4d
SHA256

1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71
SHA512

c1386f2f412fd37658329270910d279f851123d5f65a019cdd7eb135b74f2cfe5e91a4167da42f6d824e69a838daeb78a84ff6ec8df695a1e7a3aebc46f2a1bf
SSDEEP

98304:5pY8xozTyb+sX1ZvbeAddJolTlPNs2PKToa1FptF07TUFpMndHUTVuqgKQ+P+o:3YkgeCsXDjDddJolpPgToa10/UFOnJgj

Score

10^/10

cobaltstrike backdoor trojan

Malware Config

Extracted

Family

cobaltstrike

http://103.116.245.63:81/n4Ve

Attributes

user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727)

Signatures

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

Loads dropped DLL 4 IoCs

pid	Process
4992	1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe
4992	1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe
4992	1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe
4992	1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 4992	4188	1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe	83
PID 4188 wrote to memory of 4992	4188	1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe	83

C:\Users\Admin\AppData\Local\Temp\1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe
"C:\Users\Admin\AppData\Local\Temp\1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4188
- C:\Users\Admin\AppData\Local\Temp\1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe
  "C:\Users\Admin\AppData\Local\Temp\1a323ace3b54efaa3cc6644b0d5428123a66de6f95aa11975df9969a94580f71.exe"
  2⤵
  - Loads dropped DLL
  PID:4992

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI41882\VCRUNTIME140.dll

Filesize
93KB

MD5
4a365ffdbde27954e768358f4a4ce82e

SHA1
a1b31102eee1d2a4ed1290da2038b7b9f6a104a3

SHA256
6a0850419432735a98e56857d5cfce97e9d58a947a9863ca6afadd1c7bcab27c

SHA512
54e4b6287c4d5a165509047262873085f50953af63ca0dcb7649c22aba5b439ab117a7e0d6e7f0a3e51a23e28a255ffd1ca1ddce4b2ea7f87bca1c9b0dbe2722

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\_bz2.pyd

Filesize
85KB

MD5
a49c5f406456b79254eb65d015b81088

SHA1
cfc2a2a89c63df52947af3610e4d9b8999399c91

SHA256
ce4ef8ed1e72c1d3a6082d500a17a009eb6e8ed15022bf3b68a22291858feced

SHA512
bbafeff8c101c7425dc9b8789117fe4c5e516d217181d3574d9d81b8fec4b0bd34f1e1fe6e406ae95584dc671f788cd7b05c8d700baf59fbf21de9c902edf7ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\_ctypes.pyd

Filesize
124KB

MD5
291a0a9b63bae00a4222a6df71a22023

SHA1
7a6a2aad634ec30e8edb2d2d8d0895c708d84551

SHA256
820e840759eed12e19f3c485fd819b065b49d9dc704ae3599a63077416d63324

SHA512
d43ef6fc2595936b17b0a689a00be04968f11d7c28945af4c3a74589bd05f415bf4cb3b4e22ac496490daff533755999a69d5962ccffd12e09c16130ed57fd09

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\_hashlib.pyd

Filesize
46KB

MD5
5e5af52f42eaf007e3ac73fd2211f048

SHA1
1a981e66ab5b03f4a74a6bac6227cd45df78010b

SHA256
a30cf1a40e0b09610e34be187f1396ac5a44dcfb27bc7ff9b450d1318b694c1b

SHA512
bc37625005c3dad1129b158a2f1e91628d5c973961e0efd61513bb6c7b97d77922809afca8039d08c11903734450bc098c6e7b63655ff1e9881323e5cfd739fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\_lzma.pyd

Filesize
159KB

MD5
cf9fd17b1706f3044a8f74f6d398d5f1

SHA1
c5cd0debbde042445b9722a676ff36a0ac3959ad

SHA256
9209ccc60115727b192bf7771551040ca6fdd50f9bf8c3d2eacbfd424e8245e4

SHA512
5fe922c00c6f7fd3cd9bc56fc51de1f44adffbdb0afc0583f1bb08008be628b9ac16f8560b0c3ba16138e1cdcaf1c525ef24241bed804804cdeb5961aed6385a

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\_socket.pyd

Filesize
78KB

MD5
4827652de133c83fa1cae839b361856c

SHA1
182f9a04bdc42766cfd5fb352f2cb22e5c26665e

SHA256
87832a3b89e2ada8f704a8f066013660d591d9ce01ce901cc57a3b973f0858ba

SHA512
8d66d68613fdba0820257550de3c39b308b1dce659dca953d10a95ff2cf89c31afe512d30ed44422b31117058dc9fa15279e5ac84694da89b47f99b0ad7e338a

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\base_library.zip

Filesize
824KB

MD5
09f7062e078379845347034c2a63943e

SHA1
9683dd8ef7d72101674850f3db0e05c14039d5fd

SHA256
7c1c73de4909d11efb20028f4745a9c8494fb4ee8dcf2f049907115def3d2629

SHA512
a169825e9b0bb995a115134cf1f7b76a96b651acd472dc4ce8473900d8852fc93b9f87a26d2c64f7bb3dd76d5feb01eeb4af4945e0c0b95d5c9c97938fa85b34

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\libcrypto-1_1.dll

Filesize
3.2MB

MD5
89511df61678befa2f62f5025c8c8448

SHA1
df3961f833b4964f70fcf1c002d9fd7309f53ef8

SHA256
296426e7ce11bc3d1cfa9f2aeb42f60c974da4af3b3efbeb0ba40e92e5299fdf

SHA512
9af069ea13551a4672fdd4635d3242e017837b76ab2815788148dd4c44b4cf3a650d43ac79cd2122e1e51e01fb5164e71ff81a829395bdb8e50bb50a33f0a668

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\libffi-7.dll

Filesize
32KB

MD5
eef7981412be8ea459064d3090f4b3aa

SHA1
c60da4830ce27afc234b3c3014c583f7f0a5a925

SHA256
f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081

SHA512
dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\python38.dll

Filesize
4.0MB

MD5
26ba25d468a778d37f1a24f4514d9814

SHA1
b64fe169690557656ede3ae50d3c5a197fea6013

SHA256
2f3e368f5bcc1dda5e951682008a509751e6395f7328fd0f02c4e1a11f67c128

SHA512
80471bfeeab279ce4adfb9ee1962597fb8e1886b861e31bdff1e3aa0df06d93afeb3a3398e9519bab7152d4bd7d88fa9b328a2d7eb50a91eb60fead268912080

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\select.pyd

Filesize
27KB

MD5
e21cff76db11c1066fd96af86332b640

SHA1
e78ef7075c479b1d218132d89bf4bec13d54c06a

SHA256
fcc2e09a2355a5546922874fb4cac92ee00a33c0ed6adbc440d128d1e9f4ec28

SHA512
e86dba2326ca5ea3f5ef3af2abd3c23d5b29b6211acc865b6be5a51d5c8850b7cda8c069e6f631ac62f2047224c4b675bbe6ac97c7ba781de5b8016ebaffd46f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI41882\unicodedata.pyd

Filesize
1.0MB

MD5
601aee84e12b87ca66826dfc7ca57231

SHA1
3a7812433ca7d443d4494446a9ced24b6774ceca

SHA256
d8091e62c74e1b2b648086f778c3c41ce01f09661a75ea207d3fea2cf26a8762

SHA512
7c2d64623c6cfd66d6729f59909c90aa944e810ff6514c58b2b3142ee90e8660b7ddf7fa187389dd333e47efe8b19e935dd4e9119c15375b69b4880d043877d7

Download Submit
memory/4992-28-0x00000204C6B20000-0x00000204C6B36000-memory.dmp

Filesize
88KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads