colibri | 72ffef4d565a07136b07f1c8c4518f159c0d3afdfae4e7736963f17eb35b0b59

General

Target

tmp.exe
Size

384KB
MD5

be6ead5fba6e45225d2c869c593c091e
SHA1

51b1f2a3ba54d0f675694831a7c9c509093c3399
SHA256

72ffef4d565a07136b07f1c8c4518f159c0d3afdfae4e7736963f17eb35b0b59
SHA512

32e0cfe77acf48e76c01ce50115a6288f2e5f1bb57532f96fced385aa5025fcd4d8b29ae83a0d06cbfb27aee3b58aa9cbedf86e68196c205e1c2e562ee213147
SSDEEP

6144:XiexrddlUFwKfSO2pKvYc9/5aLiqoKDv:XdTlmsQYcl0Jr

Score

10^/10

colibri rhadamanthys google collection loader stealer

Malware Config

Extracted

Family

colibri

Version

1.4.0

Botnet

Google

C2

http://wqfegrbjiskfmas.top/gate.php

http://interferenceatmobile.xyz/gate.php

rc4.plain

Signatures

Colibri Loader
A loader sold as MaaS first seen in August 2021.
loader colibri

Detect rhadamanthys stealer shellcode 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1304-59-0x0000000000250000-0x000000000026C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1304-61-0x0000000000250000-0x000000000026C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1304-62-0x0000000000250000-0x000000000026C000-memory.dmp	family_rhadamanthys
behavioral1/memory/1304-72-0x0000000000250000-0x000000000026C000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Executes dropped EXE 1 IoCs

Processes:

A084.tmp.exe

pid process

1448 A084.tmp.exe
Loads dropped DLL 5 IoCs

Processes:

WerFault.exe

pid process

740 WerFault.exe
740 WerFault.exe
740 WerFault.exe
740 WerFault.exe
740 WerFault.exe

pid	process
1448	A084.tmp.exe

pid	process
740	WerFault.exe
740	WerFault.exe
740	WerFault.exe
740	WerFault.exe
740	WerFault.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

dllhost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	dllhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	dllhost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

740 1448 WerFault.exe A084.tmp.exe

pid	pid_target	process	target process
740	1448	WerFault.exe	A084.tmp.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dllhost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dllhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dllhost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

tmp.exedllhost.exe

pid process

1304 tmp.exe
1304 tmp.exe
748 dllhost.exe
748 dllhost.exe
748 dllhost.exe
748 dllhost.exe

pid	process
1304	tmp.exe
1304	tmp.exe
748	dllhost.exe
748	dllhost.exe
748	dllhost.exe
748	dllhost.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

tmp.exeA084.tmp.exe

description	pid	process	target process
PID 1304 wrote to memory of 748	1304	tmp.exe	dllhost.exe
PID 1304 wrote to memory of 748	1304	tmp.exe	dllhost.exe
PID 1304 wrote to memory of 748	1304	tmp.exe	dllhost.exe
PID 1304 wrote to memory of 748	1304	tmp.exe	dllhost.exe
PID 1304 wrote to memory of 748	1304	tmp.exe	dllhost.exe
PID 1304 wrote to memory of 748	1304	tmp.exe	dllhost.exe
PID 1448 wrote to memory of 740	1448	A084.tmp.exe	WerFault.exe
PID 1448 wrote to memory of 740	1448	A084.tmp.exe	WerFault.exe
PID 1448 wrote to memory of 740	1448	A084.tmp.exe	WerFault.exe
PID 1448 wrote to memory of 740	1448	A084.tmp.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

dllhost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	dllhost.exe

outlook_win_path 1 IoCs

Processes:

dllhost.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\system32\dllhost.exe
"C:\Windows\system32\dllhost.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:748

C:\Users\Admin\AppData\Local\Temp\A084.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\A084.tmp.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 172
2⤵
- Loads dropped DLL
- Program crash
PID:740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A084.tmp.exe
Filesize
877KB

MD5
5fd30bde601c8d7b3d1486650d44f7cf

SHA1
86578f815e67293885878be187d61ed7f1fa573e

SHA256
207ccbaf358bed54df98aed79b7a7ed243392b550f5d5bf4d1a72ca7fbe56c52

SHA512
6bb7e60af4bf5a58054c42534967caf1c3f6652ec658741a52f3ed153e27717f6cec0df34daee2e76bb6d7358b6f40679b4a2d96ff974eb8b5eeae618be7e97b

Download Submit
C:\Users\Admin\AppData\Local\Temp\A084.tmp.exe
Filesize
877KB

MD5
5fd30bde601c8d7b3d1486650d44f7cf

SHA1
86578f815e67293885878be187d61ed7f1fa573e

SHA256
207ccbaf358bed54df98aed79b7a7ed243392b550f5d5bf4d1a72ca7fbe56c52

SHA512
6bb7e60af4bf5a58054c42534967caf1c3f6652ec658741a52f3ed153e27717f6cec0df34daee2e76bb6d7358b6f40679b4a2d96ff974eb8b5eeae618be7e97b

Download Submit
\Users\Admin\AppData\Local\Temp\A084.tmp.exe
Filesize
877KB

MD5
5fd30bde601c8d7b3d1486650d44f7cf

SHA1
86578f815e67293885878be187d61ed7f1fa573e

SHA256
207ccbaf358bed54df98aed79b7a7ed243392b550f5d5bf4d1a72ca7fbe56c52

SHA512
6bb7e60af4bf5a58054c42534967caf1c3f6652ec658741a52f3ed153e27717f6cec0df34daee2e76bb6d7358b6f40679b4a2d96ff974eb8b5eeae618be7e97b

Download Submit
\Users\Admin\AppData\Local\Temp\A084.tmp.exe
Filesize
877KB

MD5
5fd30bde601c8d7b3d1486650d44f7cf

SHA1
86578f815e67293885878be187d61ed7f1fa573e

SHA256
207ccbaf358bed54df98aed79b7a7ed243392b550f5d5bf4d1a72ca7fbe56c52

SHA512
6bb7e60af4bf5a58054c42534967caf1c3f6652ec658741a52f3ed153e27717f6cec0df34daee2e76bb6d7358b6f40679b4a2d96ff974eb8b5eeae618be7e97b

Download Submit
\Users\Admin\AppData\Local\Temp\A084.tmp.exe
Filesize
877KB

MD5
5fd30bde601c8d7b3d1486650d44f7cf

SHA1
86578f815e67293885878be187d61ed7f1fa573e

SHA256
207ccbaf358bed54df98aed79b7a7ed243392b550f5d5bf4d1a72ca7fbe56c52

SHA512
6bb7e60af4bf5a58054c42534967caf1c3f6652ec658741a52f3ed153e27717f6cec0df34daee2e76bb6d7358b6f40679b4a2d96ff974eb8b5eeae618be7e97b

Download Submit
\Users\Admin\AppData\Local\Temp\A084.tmp.exe
Filesize
877KB

MD5
5fd30bde601c8d7b3d1486650d44f7cf

SHA1
86578f815e67293885878be187d61ed7f1fa573e

SHA256
207ccbaf358bed54df98aed79b7a7ed243392b550f5d5bf4d1a72ca7fbe56c52

SHA512
6bb7e60af4bf5a58054c42534967caf1c3f6652ec658741a52f3ed153e27717f6cec0df34daee2e76bb6d7358b6f40679b4a2d96ff974eb8b5eeae618be7e97b

Download Submit
\Users\Admin\AppData\Local\Temp\A084.tmp.exe
Filesize
877KB

MD5
5fd30bde601c8d7b3d1486650d44f7cf

SHA1
86578f815e67293885878be187d61ed7f1fa573e

SHA256
207ccbaf358bed54df98aed79b7a7ed243392b550f5d5bf4d1a72ca7fbe56c52

SHA512
6bb7e60af4bf5a58054c42534967caf1c3f6652ec658741a52f3ed153e27717f6cec0df34daee2e76bb6d7358b6f40679b4a2d96ff974eb8b5eeae618be7e97b

Download Submit
memory/748-63-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/748-65-0x00000000002E0000-0x00000000002E7000-memory.dmp

Filesize
28KB

Download
memory/748-66-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Filesize
1000KB

Download
memory/748-67-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Filesize
1000KB

Download
memory/748-68-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Filesize
1000KB

Download
memory/748-69-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Filesize
1000KB

Download
memory/748-70-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Filesize
1000KB

Download
memory/748-75-0x000007FFFFEB0000-0x000007FFFFFAA000-memory.dmp

Filesize
1000KB

Download
memory/1304-64-0x0000000000400000-0x000000000059F000-memory.dmp

Filesize
1.6MB

Download
memory/1304-72-0x0000000000250000-0x000000000026C000-memory.dmp

Filesize
112KB

Download
memory/1304-71-0x0000000000400000-0x000000000059F000-memory.dmp

Filesize
1.6MB

Download
memory/1304-55-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/1304-62-0x0000000000250000-0x000000000026C000-memory.dmp

Filesize
112KB

Download
memory/1304-61-0x0000000000250000-0x000000000026C000-memory.dmp

Filesize
112KB

Download
memory/1304-60-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1304-59-0x0000000000250000-0x000000000026C000-memory.dmp

Filesize
112KB

Download
memory/1304-56-0x0000000000400000-0x000000000059F000-memory.dmp

Filesize
1.6MB

Download
memory/1448-77-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads