trickbot | 62d8cab8ec8b81bf3bd5a75ceca7b12bb2b26f4a40ded2320fdcfd33a49349d7

General

Target

Document931215825.xls
Size

53KB
MD5

7054f04adc0695c6c8a1853526e13468
SHA1

dd8e0f4b4fe228985acaad81c7a8af5c575e3b0e
SHA256

62d8cab8ec8b81bf3bd5a75ceca7b12bb2b26f4a40ded2320fdcfd33a49349d7
SHA512

afa7d010c4b36cc681cef843964fb008b7d95e68501b9566cbc073038f5b1380e73aacbd187ac3694673a3c90453931a5479a61fb23138bc28d1d8425bece723

Score

10^/10

trickbot rob20 banker trojan

Malware Config

Extracted

Family

trickbot

Version

100006

Botnet

rob20

C2

80.242.220.146:449

177.221.108.198:449

41.243.29.182:449

178.134.55.190:449

194.5.249.71:443

195.123.242.207:443

184.95.51.178:443

94.158.245.90:443

192.3.247.125:443

156.96.47.3:443

192.3.73.165:443

192.119.171.230:443

141.136.0.42:443

45.12.110.206:443

5.34.180.168:443

195.123.242.202:443

196.45.140.146:449

103.250.70.163:443

103.87.25.220:443

118.69.133.4:443

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2208	1056	rundll32.exe	EXCEL.EXE

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2272 rundll32.exe
Drops file in Windows directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\explorer.exe rundll32.exe

pid	process
2272	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\explorer.exe	rundll32.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 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

Processes:

EXCEL.EXE

pid process

1056 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1508 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	1508	wermgr.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE
1056	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 1056 wrote to memory of 2208	1056	EXCEL.EXE	rundll32.exe
PID 1056 wrote to memory of 2208	1056	EXCEL.EXE	rundll32.exe
PID 2208 wrote to memory of 2272	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 2272	2208	rundll32.exe	rundll32.exe
PID 2208 wrote to memory of 2272	2208	rundll32.exe	rundll32.exe
PID 2272 wrote to memory of 1508	2272	rundll32.exe	wermgr.exe
PID 2272 wrote to memory of 1508	2272	rundll32.exe	wermgr.exe
PID 2272 wrote to memory of 1508	2272	rundll32.exe	wermgr.exe
PID 2272 wrote to memory of 1508	2272	rundll32.exe	wermgr.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Document931215825.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SYSTEM32\rundll32.exe
rundll32 C:\IntelCompany\JIOLAS.RRTTOOKK,DllRegisterServer
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2208

C:\Windows\SysWOW64\rundll32.exe
rundll32 C:\IntelCompany\JIOLAS.RRTTOOKK,DllRegisterServer
3⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2272

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1508

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\IntelCompany\JIOLAS.RRTTOOKK
MD5
bd1f17c3f5f6d4b8b97bcb4d330daec4

SHA1
a567f1016f657c93784762925cfcfa7c8ea7b840

SHA256
c91623796d2ebc3fc11faf8f9578b56fd4f61a06dec26f5648b9372ae30240da

SHA512
0e03ad245df2837ab36ce1387a64aae35b703af2f21e61b1a10fae3f02ffa1eb53f68914ebba27673d3ec69d44d3dc7004d77d97fee1007b5ffdfb9e373db21a

Download Submit
\IntelCompany\JIOLAS.RRTTOOKK
MD5
bd1f17c3f5f6d4b8b97bcb4d330daec4

SHA1
a567f1016f657c93784762925cfcfa7c8ea7b840

SHA256
c91623796d2ebc3fc11faf8f9578b56fd4f61a06dec26f5648b9372ae30240da

SHA512
0e03ad245df2837ab36ce1387a64aae35b703af2f21e61b1a10fae3f02ffa1eb53f68914ebba27673d3ec69d44d3dc7004d77d97fee1007b5ffdfb9e373db21a

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memory/1056-2-0x00007FFEA4320000-0x00007FFEA4957000-memory.dmp

Filesize
6.2MB

Download
memory/1056-3-0x000002499E01F000-0x000002499E04B000-memory.dmp

Filesize
176KB

Download
memory/1056-4-0x000002499E01F000-0x000002499E04B000-memory.dmp

Filesize
176KB

Download
memory/1056-5-0x000002499E01F000-0x000002499E04B000-memory.dmp

Filesize
176KB

Download
memory/1056-14-0x000002499A830000-0x000002499A840000-memory.dmp

Filesize
64KB

Download
memory/1508-12-0x0000000000000000-mapping.dmp

Download
memory/2208-6-0x0000000000000000-mapping.dmp

Download
memory/2272-8-0x0000000000000000-mapping.dmp

Download
memory/2272-10-0x0000000004850000-0x0000000004889000-memory.dmp

Filesize
228KB

Download
memory/2272-11-0x0000000010000000-0x0000000010038000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads