trickbot | dfae46a2c8083b6cf4f91691289ca97cbcc002126058a2900f09564edccffdfb

General

Target

SecuriteInfo.com.Heur.32219.22782.xls
Size

277KB
MD5

1ce9bb4784ef70cd5d09291a5005ab51
SHA1

f4c3e4d7be3e6855c0272b0c2f3a2833bd6963a1
SHA256

dfae46a2c8083b6cf4f91691289ca97cbcc002126058a2900f09564edccffdfb
SHA512

da8a19266f2fc2be4693746961d4ad80f7da10d4956e315c6a8b89d500383c563300ca456c85680bc660783f5e570ccc447840ccdd20931cec57065c9988022a

Score

10^/10

trickbot net15 banker trojan

Malware Config

Extracted

Family

trickbot

Version

2000029

Botnet

net15

C2

103.66.72.217:443

117.252.68.211:443

103.124.173.35:443

115.73.211.230:443

117.54.250.246:443

131.0.112.122:443

102.176.221.78:443

181.176.161.143:443

154.79.251.172:443

103.111.199.76:443

103.54.41.193:443

154.79.244.182:443

154.79.245.158:443

139.255.116.42:443

178.254.161.250:443

178.134.47.166:443

158.181.179.229:443

103.90.197.33:443

109.207.165.40:443

178.72.192.20:443

Attributes

autorun
Name:pwgrabb
Name:pwgrabc

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	3184	680	rundll32.exe	EXCEL.EXE

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

Processes:

rundll32.exe

pid process

3720 rundll32.exe

pid	process
3720	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

680 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 3128 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	3128	wermgr.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 680 wrote to memory of 3184	680	EXCEL.EXE	rundll32.exe
PID 680 wrote to memory of 3184	680	EXCEL.EXE	rundll32.exe
PID 3184 wrote to memory of 3720	3184	rundll32.exe	rundll32.exe
PID 3184 wrote to memory of 3720	3184	rundll32.exe	rundll32.exe
PID 3184 wrote to memory of 3720	3184	rundll32.exe	rundll32.exe
PID 3720 wrote to memory of 3128	3720	rundll32.exe	wermgr.exe
PID 3720 wrote to memory of 3128	3720	rundll32.exe	wermgr.exe
PID 3720 wrote to memory of 3128	3720	rundll32.exe	wermgr.exe
PID 3720 wrote to memory of 3128	3720	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\SecuriteInfo.com.Heur.32219.22782.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:680

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\hsdksksk.iem,StartW
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3184

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\hsdksksk.iem,StartW
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3720

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3128

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\hsdksksk.iem
MD5
3bb9fe6b7e6b4d9c3a3c83de6aacd952

SHA1
57c343ae5e95fe702b759737522e85fe9e97fe5e

SHA256
697dea4b154178e8de096c66167b539aa4465155d294b11765f1a1886eb7c56d

SHA512
1e98417c6c48e0bf405ae5feda4193c91a3b385f387f33d79fba3dc6f7aa7571444885e6628b7ca6075887bfbec3bd17e0782c11a1c45a7d4b1a139849ca4df0

Download Submit
\Users\Admin\hsdksksk.iem
MD5
3bb9fe6b7e6b4d9c3a3c83de6aacd952

SHA1
57c343ae5e95fe702b759737522e85fe9e97fe5e

SHA256
697dea4b154178e8de096c66167b539aa4465155d294b11765f1a1886eb7c56d

SHA512
1e98417c6c48e0bf405ae5feda4193c91a3b385f387f33d79fba3dc6f7aa7571444885e6628b7ca6075887bfbec3bd17e0782c11a1c45a7d4b1a139849ca4df0

Download Submit
memory/680-117-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/680-118-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/680-122-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/680-121-0x00007FFD56030000-0x00007FFD5711E000-memory.dmp

Filesize
16.9MB

Download
memory/680-123-0x00007FFD54130000-0x00007FFD56025000-memory.dmp

Filesize
31.0MB

Download
memory/680-114-0x00007FF7BA490000-0x00007FF7BDA46000-memory.dmp

Filesize
53.7MB

Download
memory/680-116-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/680-115-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3128-184-0x0000000000000000-mapping.dmp

Download
memory/3128-189-0x0000016B2F9B0000-0x0000016B2F9B1000-memory.dmp

Filesize
4KB

Download
memory/3128-188-0x0000016B2F970000-0x0000016B2F998000-memory.dmp

Filesize
160KB

Download
memory/3184-179-0x0000000000000000-mapping.dmp

Download
memory/3720-185-0x0000000004370000-0x00000000043B3000-memory.dmp

Filesize
268KB

Download
memory/3720-187-0x0000000002991000-0x0000000002993000-memory.dmp

Filesize
8KB

Download
memory/3720-183-0x0000000004000000-0x000000000408E000-memory.dmp

Filesize
568KB

Download
memory/3720-181-0x0000000000000000-mapping.dmp

Download
memory/3720-186-0x0000000004330000-0x0000000004331000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads