ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac

Analysis

max time kernel
49s
max time network
100s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
28-11-2022 03:12

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General

Target

ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
Size

456KB
MD5

7ad62be695e82af2446f26dc41523d5b
SHA1

f5b579743fd0df0ea2e431823c8b1b105079edd6
SHA256

ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac
SHA512

26a28d6b03ed4ef5cf4d2db339aa8191f402fb7dd6b0566caee2425160772da1e8469ee8b61cad627c0692bc10cc0d16408350e135f31f2f6420a316b9a795e2
SSDEEP

12288:B9Th3cnvEFdTk4FF1g38Hx1iCJXOyC1aNJjrlIpGPy7:B9l3c0dTk4rH1fiaNhRIpGPy7

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

mf.exeef.exe

pid process

564 mf.exe
432 ef.exe

pid	process
564	mf.exe
432	ef.exe

Loads dropped DLL 11 IoCs

Processes:

ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe

pid	process
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe

description	pid	process	target process
PID 844 wrote to memory of 564	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	mf.exe
PID 844 wrote to memory of 564	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	mf.exe
PID 844 wrote to memory of 564	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	mf.exe
PID 844 wrote to memory of 564	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	mf.exe
PID 844 wrote to memory of 432	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	ef.exe
PID 844 wrote to memory of 432	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	ef.exe
PID 844 wrote to memory of 432	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	ef.exe
PID 844 wrote to memory of 432	844	ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe	ef.exe

C:\Users\Admin\AppData\Local\Temp\ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe
"C:\Users\Admin\AppData\Local\Temp\ad5c31722ab71289afa4c25590bb84eaf69e68833f66cb95b2b847bcd8698bac.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:844

C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\mf.exe
C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\mf.exe "C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\inetc.dll"
2⤵
- Executes dropped EXE
PID:564

C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\ef.exe
C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\ef.exe "C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\inetc.dll" -111
2⤵
- Executes dropped EXE
PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\ef.exe
Filesize
2KB

MD5
b8a00d99534bf83442b20b2474b767cf

SHA1
505d3f6591db0f87a73a0ac820cc2eba5171cfff

SHA256
cc6d58b72d806d7f314d31fbea1fd3b72708b2f9dd6d7203e12cf0e076337af6

SHA512
75df70621957af1bb2c072ca76cd6f9c5cd92d11e54691daa87d37c0c8bdad5979f8679b49e3e5fc5aa83081ef7b85e6b46393a0877520583d7cca43874ebbd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\inetc.dll.out
Filesize
19KB

MD5
e93d89074477fec8889ebac9d62b5c39

SHA1
efd9720cbfaad9422a7861df1de9a62ade2f01ab

SHA256
5d4a0d7b0ffc7c66ed1c82f9a1113171144ce8b4e13b1d32a63633b903681e7f

SHA512
e6b208739e9a3c555b7a652a05950e375732352ace80454b50d6f9fd7d39942827ef4c86ed8e707361b299d7a0eaccf368be50eb337739da956537242072f488

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\inetc.dll.out
Filesize
19KB

MD5
63cba29ea4625660c23cad9e922989f5

SHA1
54d6113a68222084ffec8e767a755c2d645b26c1

SHA256
a2a76f7920005aa914877f2d7e7674e871b4884e17bf34fdf70471bc8fecd1f0

SHA512
6dea4fede42dd70c07ebc77ad447b83a05083a9086c79ebacd20740a0924dab2f744c6f5da991ff507a345e24f6565f4a5242a533ae669d7fd308868868de653

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\inetc.dll.out0
Filesize
9KB

MD5
9e58ede648d8d1440df0837ed5876e4d

SHA1
0752f706596d3fc29efab8b08ebe68dd45ad8d76

SHA256
9587850fc6e0cfee023d884e69418219f00726d6d4b029f7d1172d85ec3bae0a

SHA512
35222bf5fa64828dfccd4676d6d17c2e3e9f8707e9d2edfb1dde2bb0ac5e0d8cd0f13c4fc5130a8701c1456c1fd0efad2bc5f139f80961f897d585eb1de5ec83

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\inetc.dll.out1
Filesize
9KB

MD5
189f6fe10648792200f5ba64343274a7

SHA1
5bb1c9d0b4eee3c64daff88707773f78b60be527

SHA256
3f13b20ce35f5893a03f2a823ad4287e52932dedd0a7a23c6f57384f43d583d9

SHA512
dda2f0a9376018c3a64340a1996395d4b86ef519cfc60a1a1f641376119662f969ede0155d47c78789a69520842a888eec0ba67fc94fe3e62e2fc8a914f15088

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstF568.tmp\mf.exe
Filesize
2KB

MD5
224df7127c7ee69e67380eefc983a6ff

SHA1
236c342c5bd1f71725534d097fcd8538dd95aa56

SHA256
9ca35b84699aff2125cbe775c0731e69dad1d667d3ceec6db59c954dd9c83965

SHA512
c238c9fb0285eadd63e9f819b4aead95d88f312ef2a11749a879ba105a0c590e23e2def83f9cd8860744b9307bf12c71fbffbb482fa143e3b13b7934c23df80f

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\BaseConvert.dll
Filesize
48KB

MD5
d0419b6814f1b8e12b7b70616fedd0c7

SHA1
ef5fcbc2fa3623be8cf82def59a696bf946777ec

SHA256
14a4c7d96d87cb23038d688e80919d727f0cdb3b51859115f14c0af3248f109c

SHA512
d95cf9e3ef07154c83d26d9c57e3d7096f9cd8700aadf72c2e6b33264e46cd6314e072e9f11529431d484d4856f64c611b07c7bbd2bdb197ff593743a1ce1a34

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\Dialer.dll
Filesize
3KB

MD5
068ba6a2cece65f680895ea627f71e39

SHA1
27070d0fa949a80360426f37b3dfe9eaa0ed66f4

SHA256
ef649d2b3daed72b0778ab6b3f22a02e288fd009cf9e7e76eb1991451e580f82

SHA512
adf99b31790694d8ad02c56b1cb7c9dadeac49d492225a2d297654bfcd617f3afad23990d1d695fba03af1c355456e2e7c3e972eaa9b5ab1770bbb6eef0e733f

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\GetVersion.dll
Filesize
9KB

MD5
225f776172f1baccd2721a6e5d512b36

SHA1
2dbbc86f7b0285682880a627b56a75de09f4bed6

SHA256
ecfcbe30f5b248673f9cbebb734b9981ed14b06380ea787c563d67b30e2d069e

SHA512
4b99a5ac68122501a5913cf54bd3ae99d851d57656b0e136980122739cceef739fa2d5ea097f2442068b9489a4c25ea0884653c41d85f27f25996792bf6c21bb

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\Math.dll
Filesize
66KB

MD5
b140459077c7c39be4bef249c2f84535

SHA1
c56498241c2ddafb01961596da16d08d1b11cd35

SHA256
0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

SHA512
fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\System.dll
Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\ef.exe
Filesize
2KB

MD5
b8a00d99534bf83442b20b2474b767cf

SHA1
505d3f6591db0f87a73a0ac820cc2eba5171cfff

SHA256
cc6d58b72d806d7f314d31fbea1fd3b72708b2f9dd6d7203e12cf0e076337af6

SHA512
75df70621957af1bb2c072ca76cd6f9c5cd92d11e54691daa87d37c0c8bdad5979f8679b49e3e5fc5aa83081ef7b85e6b46393a0877520583d7cca43874ebbd5

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\ef.exe
Filesize
2KB

MD5
b8a00d99534bf83442b20b2474b767cf

SHA1
505d3f6591db0f87a73a0ac820cc2eba5171cfff

SHA256
cc6d58b72d806d7f314d31fbea1fd3b72708b2f9dd6d7203e12cf0e076337af6

SHA512
75df70621957af1bb2c072ca76cd6f9c5cd92d11e54691daa87d37c0c8bdad5979f8679b49e3e5fc5aa83081ef7b85e6b46393a0877520583d7cca43874ebbd5

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\inetc.dll
Filesize
19KB

MD5
63cba29ea4625660c23cad9e922989f5

SHA1
54d6113a68222084ffec8e767a755c2d645b26c1

SHA256
a2a76f7920005aa914877f2d7e7674e871b4884e17bf34fdf70471bc8fecd1f0

SHA512
6dea4fede42dd70c07ebc77ad447b83a05083a9086c79ebacd20740a0924dab2f744c6f5da991ff507a345e24f6565f4a5242a533ae669d7fd308868868de653

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\mf.exe
Filesize
2KB

MD5
224df7127c7ee69e67380eefc983a6ff

SHA1
236c342c5bd1f71725534d097fcd8538dd95aa56

SHA256
9ca35b84699aff2125cbe775c0731e69dad1d667d3ceec6db59c954dd9c83965

SHA512
c238c9fb0285eadd63e9f819b4aead95d88f312ef2a11749a879ba105a0c590e23e2def83f9cd8860744b9307bf12c71fbffbb482fa143e3b13b7934c23df80f

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\mf.exe
Filesize
2KB

MD5
224df7127c7ee69e67380eefc983a6ff

SHA1
236c342c5bd1f71725534d097fcd8538dd95aa56

SHA256
9ca35b84699aff2125cbe775c0731e69dad1d667d3ceec6db59c954dd9c83965

SHA512
c238c9fb0285eadd63e9f819b4aead95d88f312ef2a11749a879ba105a0c590e23e2def83f9cd8860744b9307bf12c71fbffbb482fa143e3b13b7934c23df80f

Download Submit
\Users\Admin\AppData\Local\Temp\nstF568.tmp\nsExec.dll
Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
memory/432-66-0x0000000000000000-mapping.dmp

Download
memory/564-59-0x0000000000000000-mapping.dmp

Download
memory/844-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/844-70-0x0000000000841000-0x0000000000848000-memory.dmp

Filesize
28KB

Download
memory/844-72-0x0000000002020000-0x000000000203A000-memory.dmp

Filesize
104KB

Download