83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696

Analysis

max time kernel
115s
max time network
78s
platform
windows7_x64
resource
win7-20220414-en
submitted
08-07-2022 08:42

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General

Target

83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe
Size

14.3MB
MD5

b8660d39353c679162923f51833485d1
SHA1

f2c2f692f93984a7254315909e439b3fa39c67a6
SHA256

83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696
SHA512

9ad55a4001c834703a32aa91559f768afa77f0058aa56fdf64faa7e4358c145eb8debc47dcdb8307b70809823f3cd5510dbf1ccb1c1c6657d657903f2772f4d6

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
976	Ex.exe
1940	ExtrimHack [free][26.08.2020].exe
1552	csrss.com
1072	csrss.com

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.url	csrss.com

Loads dropped DLL 5 IoCs

pid	Process
1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe
1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe
1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe
588	cmd.exe
1552	csrss.com

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
1180	PING.EXE
832	PING.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1552	csrss.com
1552	csrss.com
1552	csrss.com
1072	csrss.com
1072	csrss.com
1072	csrss.com

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1552	csrss.com
1552	csrss.com
1552	csrss.com
1072	csrss.com
1072	csrss.com
1072	csrss.com

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 976	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	28
PID 1884 wrote to memory of 976	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	28
PID 1884 wrote to memory of 976	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	28
PID 1884 wrote to memory of 976	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	28
PID 1884 wrote to memory of 1940	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	29
PID 1884 wrote to memory of 1940	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	29
PID 1884 wrote to memory of 1940	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	29
PID 1884 wrote to memory of 1940	1884	83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe	29
PID 976 wrote to memory of 1992	976	Ex.exe	30
PID 976 wrote to memory of 1992	976	Ex.exe	30
PID 976 wrote to memory of 1992	976	Ex.exe	30
PID 976 wrote to memory of 1992	976	Ex.exe	30
PID 976 wrote to memory of 1860	976	Ex.exe	32
PID 976 wrote to memory of 1860	976	Ex.exe	32
PID 976 wrote to memory of 1860	976	Ex.exe	32
PID 976 wrote to memory of 1860	976	Ex.exe	32
PID 1860 wrote to memory of 588	1860	cmd.exe	34
PID 1860 wrote to memory of 588	1860	cmd.exe	34
PID 1860 wrote to memory of 588	1860	cmd.exe	34
PID 1860 wrote to memory of 588	1860	cmd.exe	34
PID 588 wrote to memory of 1180	588	cmd.exe	35
PID 588 wrote to memory of 1180	588	cmd.exe	35
PID 588 wrote to memory of 1180	588	cmd.exe	35
PID 588 wrote to memory of 1180	588	cmd.exe	35
PID 588 wrote to memory of 860	588	cmd.exe	36
PID 588 wrote to memory of 860	588	cmd.exe	36
PID 588 wrote to memory of 860	588	cmd.exe	36
PID 588 wrote to memory of 860	588	cmd.exe	36
PID 588 wrote to memory of 1552	588	cmd.exe	37
PID 588 wrote to memory of 1552	588	cmd.exe	37
PID 588 wrote to memory of 1552	588	cmd.exe	37
PID 588 wrote to memory of 1552	588	cmd.exe	37
PID 588 wrote to memory of 832	588	cmd.exe	38
PID 588 wrote to memory of 832	588	cmd.exe	38
PID 588 wrote to memory of 832	588	cmd.exe	38
PID 588 wrote to memory of 832	588	cmd.exe	38
PID 1552 wrote to memory of 1072	1552	csrss.com	39
PID 1552 wrote to memory of 1072	1552	csrss.com	39
PID 1552 wrote to memory of 1072	1552	csrss.com	39
PID 1552 wrote to memory of 1072	1552	csrss.com	39

C:\Users\Admin\AppData\Local\Temp\83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe
"C:\Users\Admin\AppData\Local\Temp\83c30ab7d6d122b5d7ce2a4da5600f4c69f4c7593d91d514de1dd007398fe696.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Roaming\1337\Ex.exe
  "C:\Users\Admin\AppData\Roaming\1337\Ex.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c echo pUVyOKPt
    3⤵
    PID:1992
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c mkdir C:\Users\Admin\AppData\Roaming\Sysfiles & cmd < XuGJAWtEjFqgoZUl.com
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1860
  - - C:\Windows\SysWOW64\cmd.exe
      cmd
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:588
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping -n 1 moLu.nnnbID
        5⤵
        Runs ping.exe
        
        PID:1180
    - - C:\Windows\SysWOW64\certutil.exe
        
        certutil -decode qTh.com y
        5⤵
        
        PID:860
    - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com
        
        csrss.com y
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:1552
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com y
        6⤵
        Executes dropped EXE
        Drops startup file
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:1072
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 30
        5⤵
        Runs ping.exe
        
        PID:832
- C:\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][26.08.2020].exe
  "C:\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][26.08.2020].exe"
  2⤵
  - Executes dropped EXE
  PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\EWSiFeMZzkUETFRYRVL.com

Filesize
921KB

MD5
c317736793ef5129f12a3568cd679422

SHA1
e68b55969c5f2159c847a629fac3731c0c315d53

SHA256
cbb5d906c63cbcb891b35e53156b643ac26c5dec922f43b2fd121ccca60beb62

SHA512
69cb5fd5f1a30c3c786ca945b8de6a460d03605fc3416a3c33e69691603e1a43ad0cfefe9cd5d6af1a154b701ecf34526cc05d9235a4e38acf994eb0edb1a82c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\XuGJAWtEjFqgoZUl.com

Filesize
398B

MD5
0047726ce0f38e02fda2068d7ff7ceff

SHA1
0702fd3e290b95b70b5fc3b70cdb57c808baceb7

SHA256
0423e080422306752ccf52e4639a8f6e58596176e730d10bd812012ccf4f296b

SHA512
00b525c341b3297e3b011065b32bab9d29eee920e7faebea93e4fcc4fef69b166c11c10291cc9ba9b931551eca3dc9ddae27b681c4d4423478ea3a65d29c7d83

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\ZcaqngYeMJ.com

Filesize
2.3MB

MD5
09cc8b02108c2ca6db6197e37b165a65

SHA1
9f245c5206ce171cfc288ed8bf05896d1b36a1f0

SHA256
89ad1822d2ee2d5e39d2e4aae2016562244f7ea43071c192e8989a3c2544d998

SHA512
d50c20b554dd85996f8b7432fb3d3668c3fbfcd77314a4adc476861373a0350b122be61ab1aa087153e45c48cf6a453d0829ccfa4786cf679ee3dccb7cffadae

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\qTh.com

Filesize
1.1MB

MD5
13a508782d30a527e997a64996920287

SHA1
4628a103700d13b6f3920b3a8a06e9757bf0a9eb

SHA256
e06ad6278f8cdccb51ed58aee3d6ba97bd770b2d8b827746e539770fc959354e

SHA512
cd860c7c8eea0faf0e62f1e695f60c02050c284617265f3e9c11dac4e4cbea34cb656719ae6bdeb39a36dd1446bb443cbcf9c9f4a595c1749f9088d7c082d142

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\y

Filesize
842KB

MD5
dbcc4336d132df084c59bbddff9693f5

SHA1
172d404379f6d288db4eacaa11bf0fa1ccffa451

SHA256
ea3b51ae7fb4264cd4aca28f02fa027bb25ce69a9ece5ff1f9f581b1ae62c84e

SHA512
d7209e47c9ef7e8f0db4bc736828e79d745415dde0dbaa7b4d5a21d6ee3406b139f3565cdcae16911c330d3ebbe1bcbe77f5e40d2313909a3b7b58697d3d4e34

Download Submit
C:\Users\Admin\AppData\Roaming\1337\Ex.exe

Filesize
3.1MB

MD5
7afcb8667f1ec33f0cc084936a8a4044

SHA1
a2755123f3515fbfcbd5b1ab38c22fa757b8afa8

SHA256
2304cf3b3d0753318d60c2769c535a164d5f56ee0343c59ac616036d95e8ad71

SHA512
bc04b81c01df03b360c225709d2db3078d1fb45fc2a67713f5f5154d050c71e241c2c7590f510d9f7ac3a0a4bc820b3b171d96cb56d23c0496df184e527162b8

Download Submit
C:\Users\Admin\AppData\Roaming\1337\Ex.exe

Filesize
3.1MB

MD5
7afcb8667f1ec33f0cc084936a8a4044

SHA1
a2755123f3515fbfcbd5b1ab38c22fa757b8afa8

SHA256
2304cf3b3d0753318d60c2769c535a164d5f56ee0343c59ac616036d95e8ad71

SHA512
bc04b81c01df03b360c225709d2db3078d1fb45fc2a67713f5f5154d050c71e241c2c7590f510d9f7ac3a0a4bc820b3b171d96cb56d23c0496df184e527162b8

Download Submit
C:\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][26.08.2020].exe

Filesize
11.3MB

MD5
6ceb80ab1825ed999d2e16d19de17cb0

SHA1
0b553faf5727ffc81c1f1a48563b7bc462850c9e

SHA256
06c3021e19f97393e42b6f1d86a27b5f3737dffb9af86994cc9037753624045e

SHA512
f5d47e2c0b845660ec8d815eb2fa2fc9527e5faebcfae68dcdd0612de95fbb51f31b2dc698892a35f34033a82866b6b6a2081546c75aa807d7abba8784536f39

Download Submit
\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
\Users\Admin\AppData\Local\Temp\7ZipSfx.000\csrss.com

Filesize
921KB

MD5
8ed172328f643375ac09b31ffba0eb63

SHA1
c6716e5e5a311f597e37c5660b0387ab8f77b2a0

SHA256
23e87924005aeef08ab3c9402aa749c0373ed9fa6c1706c13ca1df5ec33f8928

SHA512
79efbac3cbf2bbbf1b5572a3036845fd544210a01adf9850d22587df12fd84832e14e8f7e0476955a8d9bb42ff0be5ca4443cee8e83dc396e70d850e31c60938

Download Submit
\Users\Admin\AppData\Local\Temp\nst28F7.tmp\System.dll

Filesize
11KB

MD5
2ae993a2ffec0c137eb51c8832691bcb

SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1

SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

Download Submit
\Users\Admin\AppData\Roaming\1337\Ex.exe

Filesize
3.1MB

MD5
7afcb8667f1ec33f0cc084936a8a4044

SHA1
a2755123f3515fbfcbd5b1ab38c22fa757b8afa8

SHA256
2304cf3b3d0753318d60c2769c535a164d5f56ee0343c59ac616036d95e8ad71

SHA512
bc04b81c01df03b360c225709d2db3078d1fb45fc2a67713f5f5154d050c71e241c2c7590f510d9f7ac3a0a4bc820b3b171d96cb56d23c0496df184e527162b8

Download Submit
\Users\Admin\AppData\Roaming\1337\ExtrimHack [free][26.08.2020].exe

Filesize
11.3MB

MD5
6ceb80ab1825ed999d2e16d19de17cb0

SHA1
0b553faf5727ffc81c1f1a48563b7bc462850c9e

SHA256
06c3021e19f97393e42b6f1d86a27b5f3737dffb9af86994cc9037753624045e

SHA512
f5d47e2c0b845660ec8d815eb2fa2fc9527e5faebcfae68dcdd0612de95fbb51f31b2dc698892a35f34033a82866b6b6a2081546c75aa807d7abba8784536f39

Download Submit
memory/1884-54-0x0000000075E51000-0x0000000075E53000-memory.dmp

Filesize
8KB

Download