trickbot | 342901a3f85cfdb904dc39b2627018e4058545891292b8f90b954d96d986be31

General

Target

info_summr_55968-17.bin.xlsm
Size

210KB
MD5

538aaa3cc71057df657b52b8278c35ce
SHA1

e26cd91e5d7693ef3fefd5666e2ff8f1a5338aab
SHA256

342901a3f85cfdb904dc39b2627018e4058545891292b8f90b954d96d986be31
SHA512

0a2558d98b4315eeb3e8e8e5ab7dc8bd9691ef961ff540e55d033c491f37bc3867f914aa38168a6e2bb138033c9c30091d50a659e7ffc5370a5993a64cfddc60

Score

10^/10

trickbot sat4 banker trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://185.81.115.23/ytr.dll

Extracted

Family

trickbot

Version

100019

Botnet

sat4

C2

65.152.201.203:443

185.56.175.122:443

46.99.175.217:443

179.189.229.254:443

46.99.175.149:443

181.129.167.82:443

216.166.148.187:443

46.99.188.223:443

128.201.76.252:443

62.99.79.77:443

60.51.47.65:443

24.162.214.166:443

45.36.99.184:443

97.83.40.67:443

184.74.99.214:443

103.105.254.17:443

62.99.76.213:443

82.159.149.52:443

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:

regsvr32.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	3720	1816	regsvr32.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:

regsvr32.exe

pid process

3928 regsvr32.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

43 checkip.amazonaws.com

pid	process
3928	regsvr32.exe

flow	ioc
43	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1816 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 2360 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	2360	wermgr.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1816 wrote to memory of 3720	1816	EXCEL.EXE	regsvr32.exe
PID 1816 wrote to memory of 3720	1816	EXCEL.EXE	regsvr32.exe
PID 3720 wrote to memory of 3928	3720	regsvr32.exe	regsvr32.exe
PID 3720 wrote to memory of 3928	3720	regsvr32.exe	regsvr32.exe
PID 3720 wrote to memory of 3928	3720	regsvr32.exe	regsvr32.exe
PID 3928 wrote to memory of 3404	3928	regsvr32.exe	cmd.exe
PID 3928 wrote to memory of 3404	3928	regsvr32.exe	cmd.exe
PID 3928 wrote to memory of 3404	3928	regsvr32.exe	cmd.exe
PID 3928 wrote to memory of 2360	3928	regsvr32.exe	wermgr.exe
PID 3928 wrote to memory of 2360	3928	regsvr32.exe	wermgr.exe
PID 3928 wrote to memory of 2360	3928	regsvr32.exe	wermgr.exe
PID 3928 wrote to memory of 2360	3928	regsvr32.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\info_summr_55968-17.bin.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 -silent C:\Datop\test.test
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3720

C:\Windows\SysWOW64\regsvr32.exe
-silent C:\Datop\test.test
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3928

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe
4⤵
PID:3404

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2360

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

Replay Monitor

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Downloads

C:\Datop\test.test
MD5
1d71d05681e72c749836a41bec1ce60b

SHA1
510712d24aaf87255113857296407cab807b11d9

SHA256
f3aca25f563b59de9b6b1e3397d726cbe177c9bbca7ba51a0df9347fc0e55d1b

SHA512
9f4ba9afb903443dd4a0a8f03ffcd5fd7938d6ebd1d545d38143202be987302d5ddaf08ee859324d6c52dde582805e3557aed3c9ec51625a90caa6125a6c54b7

Download Submit
\Datop\test.test
MD5
1d71d05681e72c749836a41bec1ce60b

SHA1
510712d24aaf87255113857296407cab807b11d9

SHA256
f3aca25f563b59de9b6b1e3397d726cbe177c9bbca7ba51a0df9347fc0e55d1b

SHA512
9f4ba9afb903443dd4a0a8f03ffcd5fd7938d6ebd1d545d38143202be987302d5ddaf08ee859324d6c52dde582805e3557aed3c9ec51625a90caa6125a6c54b7

Download Submit
memory/1816-121-0x00000257930F0000-0x00000257930F2000-memory.dmp

Filesize
8KB

Download
memory/1816-118-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/1816-119-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/1816-120-0x00000257930F0000-0x00000257930F2000-memory.dmp

Filesize
8KB

Download
memory/1816-122-0x00000257930F0000-0x00000257930F2000-memory.dmp

Filesize
8KB

Download
memory/1816-128-0x00007FF814750000-0x00007FF814760000-memory.dmp

Filesize
64KB

Download
memory/1816-129-0x00007FF814750000-0x00007FF814760000-memory.dmp

Filesize
64KB

Download
memory/1816-115-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/1816-117-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/1816-116-0x00007FF817560000-0x00007FF817570000-memory.dmp

Filesize
64KB

Download
memory/2360-275-0x0000000000000000-mapping.dmp

Download
memory/2360-276-0x0000028F65CF0000-0x0000028F65D19000-memory.dmp

Filesize
164KB

Download
memory/2360-277-0x0000028F65E00000-0x0000028F65E01000-memory.dmp

Filesize
4KB

Download
memory/3720-258-0x0000000000000000-mapping.dmp

Download
memory/3928-271-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download
memory/3928-272-0x0000000003451000-0x0000000003453000-memory.dmp

Filesize
8KB

Download
memory/3928-269-0x0000000004E10000-0x0000000004E49000-memory.dmp

Filesize
228KB

Download
memory/3928-270-0x0000000004EE0000-0x0000000004F25000-memory.dmp

Filesize
276KB

Download
memory/3928-260-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads