cobaltstrike | 4f096a8c2bfe78d9ed6d36423e9412efd7676717c98185f7244387279a608cbe

General

Target

Reciept 4846765.xlsb
Size

134KB
MD5

cdb6138ff4ea7542bc16b7ed16dad315
SHA1

de8aa97c4bc6ae869f8609cb55b841e34b9e3a19
SHA256

4f096a8c2bfe78d9ed6d36423e9412efd7676717c98185f7244387279a608cbe
SHA512

a1a5460fa20e368970ebb39e7a9b1c3d55d4baf583cc938af0cacb62fb523e72b47f48340bc2fbbf9fb293d0f9217aac360d6d652cf86ab02fc4cf1ac44aa71b

Score

10^/10

cobaltstrike backdoor cryptone packer trojan

Malware Config

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike

CryptOne packer 1 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
C:\Windows\Temp\zn9xv.exe	cryptone

Blocklisted process makes network request 29 IoCs

Processes:

WMIC.exe

flow	pid	process
6	1976	WMIC.exe
7	1976	WMIC.exe
8	1976	WMIC.exe
9	1976	WMIC.exe
11	1976	WMIC.exe
12	1976	WMIC.exe
13	1976	WMIC.exe
14	1976	WMIC.exe
16	1976	WMIC.exe
18	1976	WMIC.exe
20	1976	WMIC.exe
22	1976	WMIC.exe
23	1976	WMIC.exe
24	1976	WMIC.exe
25	1976	WMIC.exe
28	1976	WMIC.exe
29	1976	WMIC.exe
30	1976	WMIC.exe
31	1976	WMIC.exe
33	1976	WMIC.exe
35	1976	WMIC.exe
37	1976	WMIC.exe
39	1976	WMIC.exe
41	1976	WMIC.exe
43	1976	WMIC.exe
44	1976	WMIC.exe
45	1976	WMIC.exe
46	1976	WMIC.exe
48	1976	WMIC.exe

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

zn9xv.exe

pid process

1704 zn9xv.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

pid	process
1704	zn9xv.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEmshta.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	mshta.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Modifies system certificate store 2 TTPs 6 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

WMIC.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	WMIC.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	WMIC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	WMIC.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WMIC.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WMIC.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WMIC.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2028 EXCEL.EXE

pid	process
2028	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

WMIC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1976	WMIC.exe
Token: SeSecurityPrivilege	1976	WMIC.exe
Token: SeTakeOwnershipPrivilege	1976	WMIC.exe
Token: SeLoadDriverPrivilege	1976	WMIC.exe
Token: SeSystemProfilePrivilege	1976	WMIC.exe
Token: SeSystemtimePrivilege	1976	WMIC.exe
Token: SeProfSingleProcessPrivilege	1976	WMIC.exe
Token: SeIncBasePriorityPrivilege	1976	WMIC.exe
Token: SeCreatePagefilePrivilege	1976	WMIC.exe
Token: SeBackupPrivilege	1976	WMIC.exe
Token: SeRestorePrivilege	1976	WMIC.exe
Token: SeShutdownPrivilege	1976	WMIC.exe
Token: SeDebugPrivilege	1976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1976	WMIC.exe
Token: SeRemoteShutdownPrivilege	1976	WMIC.exe
Token: SeUndockPrivilege	1976	WMIC.exe
Token: SeManageVolumePrivilege	1976	WMIC.exe
Token: 33	1976	WMIC.exe
Token: 34	1976	WMIC.exe
Token: 35	1976	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1976	WMIC.exe
Token: SeSecurityPrivilege	1976	WMIC.exe
Token: SeTakeOwnershipPrivilege	1976	WMIC.exe
Token: SeLoadDriverPrivilege	1976	WMIC.exe
Token: SeSystemProfilePrivilege	1976	WMIC.exe
Token: SeSystemtimePrivilege	1976	WMIC.exe
Token: SeProfSingleProcessPrivilege	1976	WMIC.exe
Token: SeIncBasePriorityPrivilege	1976	WMIC.exe
Token: SeCreatePagefilePrivilege	1976	WMIC.exe
Token: SeBackupPrivilege	1976	WMIC.exe
Token: SeRestorePrivilege	1976	WMIC.exe
Token: SeShutdownPrivilege	1976	WMIC.exe
Token: SeDebugPrivilege	1976	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1976	WMIC.exe
Token: SeRemoteShutdownPrivilege	1976	WMIC.exe
Token: SeUndockPrivilege	1976	WMIC.exe
Token: SeManageVolumePrivilege	1976	WMIC.exe
Token: 33	1976	WMIC.exe
Token: 34	1976	WMIC.exe
Token: 35	1976	WMIC.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

2028 EXCEL.EXE
2028 EXCEL.EXE
2028 EXCEL.EXE
2028 EXCEL.EXE
2028 EXCEL.EXE

pid	process
2028	EXCEL.EXE
2028	EXCEL.EXE
2028	EXCEL.EXE
2028	EXCEL.EXE
2028	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXEtaskeng.exemshta.EXEWMIC.exe

description	pid	process	target process
PID 2028 wrote to memory of 1784	2028	EXCEL.EXE	splwow64.exe
PID 2028 wrote to memory of 1784	2028	EXCEL.EXE	splwow64.exe
PID 2028 wrote to memory of 1784	2028	EXCEL.EXE	splwow64.exe
PID 2028 wrote to memory of 1784	2028	EXCEL.EXE	splwow64.exe
PID 1952 wrote to memory of 1248	1952	taskeng.exe	mshta.EXE
PID 1952 wrote to memory of 1248	1952	taskeng.exe	mshta.EXE
PID 1952 wrote to memory of 1248	1952	taskeng.exe	mshta.EXE
PID 1248 wrote to memory of 1976	1248	mshta.EXE	WMIC.exe
PID 1248 wrote to memory of 1976	1248	mshta.EXE	WMIC.exe
PID 1248 wrote to memory of 1976	1248	mshta.EXE	WMIC.exe
PID 1976 wrote to memory of 1704	1976	WMIC.exe	zn9xv.exe
PID 1976 wrote to memory of 1704	1976	WMIC.exe	zn9xv.exe
PID 1976 wrote to memory of 1704	1976	WMIC.exe	zn9xv.exe
PID 1976 wrote to memory of 1704	1976	WMIC.exe	zn9xv.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Reciept 4846765.xlsb"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1784

C:\Windows\system32\taskeng.exe
taskeng.exe {92B6A951-A180-4D34-ABB6-949AF9AEAF4E} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\system32\mshta.EXE
C:\Windows\system32\mshta.EXE vbscript:Execute("set osh = CreateObject(""Wscript.Shell""):osh.Run(""wmic os get /format:"" & Chr(34) & osh.ExpandEnvironmentStrings(""C:\ProgramData"") & ""\\xCylinder.xsl"" & Chr(34)),0:close")
2⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\System32\wbem\WMIC.exe
"C:\Windows\System32\wbem\WMIC.exe" os get /format:"C:\ProgramData\\xCylinder.xsl"
3⤵
- Blocklisted process makes network request
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\Temp\zn9xv.exe
"C:\Windows\Temp\zn9xv.exe"
4⤵
- Executes dropped EXE
PID:1704

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\xCylinder.xsl
MD5
e8d46ccae0aa71a5ccba0dce0afe6884

SHA1
ac84327a1574b2b53ac5a252b31e81d2c452b591

SHA256
1a8e1761e21ff006bfd22dea0063877b50c3fdc0df2fb22561a9470435fdc11f

SHA512
223cc52d617f1f47b560dc584ba187decd30d82e5e034e398fcd1f32d0ff3358f5117b4fbf0d99d0169b3870d9f0f19863a30256a0475419221acd192789db56

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C:\Windows\Temp\zn9xv.exe
MD5
1fa2d8db24799c93d9b6aa37e05f5525

SHA1
a4e79f386e275c345d3098a56c4269a6a8df209f

SHA256
073143c5d5589117612c308b01f84c5e5b024878e98b15021ca820458219a568

SHA512
ae7c8f5519425d5fcb431325b4d6d00e84bb789d3d9f19d8a4a71230e0bd13b99b692b9fb81ad38ba5b1d3e1ae6a5007b31d56358fcc3fcd07026a5586daeed3

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memory/1248-66-0x0000000000000000-mapping.dmp

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memory/1704-70-0x0000000000000000-mapping.dmp

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memory/1704-72-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

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memory/1704-73-0x0000000001C40000-0x0000000001C73000-memory.dmp

Filesize
204KB

Download
memory/1784-64-0x000007FEFC411000-0x000007FEFC413000-memory.dmp

Filesize
8KB

Download
memory/1784-63-0x0000000000000000-mapping.dmp

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memory/1976-68-0x0000000000000000-mapping.dmp

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memory/2028-65-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2028-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2028-60-0x000000002F9D1000-0x000000002F9D4000-memory.dmp

Filesize
12KB

Download
memory/2028-61-0x0000000071CC1000-0x0000000071CC3000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads