trickbot | cb9674fbcadf290724a4d48d36e6968195492c545f89679d010ad7b0e3676689

General

Target

Document_1452730543.xls
Size

45KB
MD5

ff0c9c2a9193dab84e4f3fe426c56c54
SHA1

e4f5866918418e3c7b00bfcba16993b0eb1796cf
SHA256

8d8e5f67621739e6b1d56bcd0748949d35ecdcb9cbb903b298d351e0df1402cf
SHA512

80e2e32711481e0759a100648c6445f1c9e4a58a21f561833f7f0f819c98aba792561def14c64edd2335415b9ae4d2a62130fe31300edec38b4c71639fadcb83

Score

10^/10

trickbot rob33 banker trojan

Malware Config

Extracted

Family

trickbot

Version

100008

Botnet

rob33

C2

103.231.115.106:449

117.222.63.100:449

117.254.58.83:449

149.54.11.54:449

170.82.4.64:449

177.11.12.93:449

182.16.187.251:449

187.108.86.48:449

190.152.88.57:449

203.88.149.33:449

36.89.191.119:449

41.159.31.227:449

85.202.128.243:449

92.204.160.82:449

103.150.68.124:449

103.126.185.7:449

103.112.145.58:449

103.110.53.174:449

102.164.208.48:449

102.164.208.44:449

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	2124	972	rundll32.exe	EXCEL.EXE

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

Templ.dll packer 1 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/508-7-0x00000000028C0000-0x00000000028F8000-memory.dmp	templ_dll

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

508 rundll32.exe

pid	process
508	rundll32.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
File opened (read-only)	\??\S:	EXCEL.EXE
File opened (read-only)	\??\V:	EXCEL.EXE
File opened (read-only)	\??\Y:	EXCEL.EXE
File opened (read-only)	\??\I:	EXCEL.EXE
File opened (read-only)	\??\P:	EXCEL.EXE
File opened (read-only)	\??\R:	EXCEL.EXE
File opened (read-only)	\??\U:	EXCEL.EXE
File opened (read-only)	\??\Z:	EXCEL.EXE
File opened (read-only)	\??\G:	EXCEL.EXE
File opened (read-only)	\??\L:	EXCEL.EXE
File opened (read-only)	\??\M:	EXCEL.EXE
File opened (read-only)	\??\J:	EXCEL.EXE
File opened (read-only)	\??\K:	EXCEL.EXE
File opened (read-only)	\??\N:	EXCEL.EXE
File opened (read-only)	\??\O:	EXCEL.EXE
File opened (read-only)	\??\Q:	EXCEL.EXE
File opened (read-only)	\??\B:	EXCEL.EXE
File opened (read-only)	\??\E:	EXCEL.EXE
File opened (read-only)	\??\F:	EXCEL.EXE
File opened (read-only)	\??\X:	EXCEL.EXE
File opened (read-only)	\??\W:	EXCEL.EXE
File opened (read-only)	\??\A:	EXCEL.EXE
File opened (read-only)	\??\H:	EXCEL.EXE
File opened (read-only)	\??\T:	EXCEL.EXE

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

52 checkip.amazonaws.com

flow	ioc
52	checkip.amazonaws.com

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

972 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 3892 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	3892	wermgr.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 972 wrote to memory of 2124	972	EXCEL.EXE	rundll32.exe
PID 972 wrote to memory of 2124	972	EXCEL.EXE	rundll32.exe
PID 2124 wrote to memory of 508	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 508	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 508	2124	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 3892	508	rundll32.exe	wermgr.exe
PID 508 wrote to memory of 3892	508	rundll32.exe	wermgr.exe
PID 508 wrote to memory of 3892	508	rundll32.exe	wermgr.exe
PID 508 wrote to memory of 3892	508	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\Document_1452730543.xls"
1⤵
- Enumerates connected drives
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:972

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\AppData\Roaming\JKER.UUIIKKAA,DllRegisterServer
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\AppData\Roaming\JKER.UUIIKKAA,DllRegisterServer
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3892

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\JKER.UUIIKKAA
MD5
57ee70462da3c968d4ef8466e2855418

SHA1
c653f707d23ea22c65bdc88e6f6a310f83f8cdf8

SHA256
e36baf947ea6292bc5d73b9ec405a91a6939a487da6c8ca920bae5a4a624f1d4

SHA512
60aef8af216bad129ebbac1c11804187fa6227ddf5f2836055d59f43318121751ab74df98a6e3fb8b6e7f74fb0c563acbebcbe5ac36c35c89369e4459f29c6c4

Download Submit
\Users\Admin\AppData\Roaming\JKER.UUIIKKAA
MD5
57ee70462da3c968d4ef8466e2855418

SHA1
c653f707d23ea22c65bdc88e6f6a310f83f8cdf8

SHA256
e36baf947ea6292bc5d73b9ec405a91a6939a487da6c8ca920bae5a4a624f1d4

SHA512
60aef8af216bad129ebbac1c11804187fa6227ddf5f2836055d59f43318121751ab74df98a6e3fb8b6e7f74fb0c563acbebcbe5ac36c35c89369e4459f29c6c4

Download Submit
memory/508-5-0x0000000000000000-mapping.dmp

Download
memory/508-7-0x00000000028C0000-0x00000000028F8000-memory.dmp

Filesize
224KB

Download
memory/972-2-0x00007FFA6A5A0000-0x00007FFA6ABD7000-memory.dmp

Filesize
6.2MB

Download
memory/2124-3-0x0000000000000000-mapping.dmp

Download
memory/3892-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads