trickbot | 468cd4b5d89425cd29bb028696804ed339eb2c0c37b010b62442fbb5a8f778ba

General

Target

c527325d_by_Libranalysis.xls
Size

277KB
MD5

c527325d4d0b51734637b5344a3df760
SHA1

f71b0baa85537ec1709701f39e8e9fd95f9b3d62
SHA256

468cd4b5d89425cd29bb028696804ed339eb2c0c37b010b62442fbb5a8f778ba
SHA512

074cfe3ecc88e982a704e979a3d63a7c286a30c8656dc71cf528336c7862090cdd134ebf641d336b0b7b6092838b007649bead23fe4cc1039a0a5611dc61f18c

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	3952	416	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/3932-184-0x0000000002810000-0x0000000002846000-memory.dmp	templ_dll

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3932 rundll32.exe

pid	process
3932	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

416 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 2084 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	2084	wermgr.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE
416	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 416 wrote to memory of 3952	416	EXCEL.EXE	rundll32.exe
PID 416 wrote to memory of 3952	416	EXCEL.EXE	rundll32.exe
PID 3952 wrote to memory of 3932	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3932	3952	rundll32.exe	rundll32.exe
PID 3952 wrote to memory of 3932	3952	rundll32.exe	rundll32.exe
PID 3932 wrote to memory of 2084	3932	rundll32.exe	wermgr.exe
PID 3932 wrote to memory of 2084	3932	rundll32.exe	wermgr.exe
PID 3932 wrote to memory of 2084	3932	rundll32.exe	wermgr.exe
PID 3932 wrote to memory of 2084	3932	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\c527325d_by_Libranalysis.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:416

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\hsdksksk.iem,StartW
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\hsdksksk.iem,StartW
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3932

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2084

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

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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

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memory/416-115-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/416-116-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/416-117-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/416-118-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/416-121-0x00007FF800890000-0x00007FF8008A0000-memory.dmp

Filesize
64KB

Download
memory/416-122-0x00007FF821010000-0x00007FF8220FE000-memory.dmp

Filesize
16.9MB

Download
memory/416-123-0x00007FF81F050000-0x00007FF820F45000-memory.dmp

Filesize
31.0MB

Download
memory/416-114-0x00007FF70A080000-0x00007FF70D636000-memory.dmp

Filesize
53.7MB

Download
memory/2084-183-0x0000000000000000-mapping.dmp

Download
memory/2084-189-0x0000023EE8840000-0x0000023EE8841000-memory.dmp

Filesize
4KB

Download
memory/2084-188-0x0000023EE8730000-0x0000023EE8758000-memory.dmp

Filesize
160KB

Download
memory/3932-181-0x0000000000000000-mapping.dmp

Download
memory/3932-185-0x0000000004250000-0x0000000004293000-memory.dmp

Filesize
268KB

Download
memory/3932-184-0x0000000002810000-0x0000000002846000-memory.dmp

Filesize
216KB

Download
memory/3932-187-0x0000000000361000-0x0000000000363000-memory.dmp

Filesize
8KB

Download
memory/3932-186-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/3952-179-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads