trickbot | 49a193afe2b75716f99338d1653dd321db5b0b4af3be050691605a861471be2e

General

Target

Notification082520.doc
Size

285KB
MD5

f9cac6a43d460d5afc7428a1014a59af
SHA1

e7ae3fe9226a646711c7b31593e05368b4395d2a
SHA256

49a193afe2b75716f99338d1653dd321db5b0b4af3be050691605a861471be2e
SHA512

c12f18c7e4fee24fdcaf145178967295c5d11d6565590cc3f3db8fbf7d30432185651151156873142e52137ac50787d8d6f9d992ec4a149cbdf3a5926b59746d

Score

10^/10

trojan banker trickbot

Malware Config

Extracted

Family

trickbot

Version

1000513

Botnet

chil103

C2

51.89.177.20:443

194.5.249.174:443

107.174.196.242:443

185.205.209.241:443

82.146.46.220:443

5.34.178.126:443

212.22.70.65:443

195.123.241.90:443

185.164.32.214:443

198.46.198.139:443

195.123.241.187:443

86.104.194.116:443

195.123.240.252:443

185.164.32.215:443

45.148.120.195:443

45.138.158.32:443

5.149.253.99:443

92.62.65.163:449

88.247.212.56:449

180.211.170.214:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

rundll32.exeREGSVR32.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1600	1504	rundll32.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1784	1504	REGSVR32.exe

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

Templ.dll packer 4 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral1/memory/1760-9-0x0000000000200000-0x000000000022E000-memory.dmp	templ_dll
behavioral1/memory/1760-9-0x0000000000200000-0x000000000022E000-memory.dmp	templ_dll
behavioral1/memory/1760-10-0x0000000000230000-0x000000000025C000-memory.dmp	templ_dll
behavioral1/memory/1760-10-0x0000000000230000-0x000000000025C000-memory.dmp	templ_dll

Blacklisted process makes network request 1 IoCs

Processes:

WScript.exe

flow pid process

1 768 WScript.exe
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1760 regsvr32.exe
Office loads VBA resources, possible macro or embedded object present

flow	pid	process
1	768	WScript.exe

pid	process
1760	regsvr32.exe

Modifies registry class 280 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{8BD21D33-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcCombo"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}\ = "ITabStrip"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{47FF8FE0-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0\ = "Microsoft Forms 2.0 Object Library"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{8A683C90-BA84-11CF-8110-00A0C9030074}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}\ = "OptionFrameEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{8BD21D12-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{04598FC6-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}\ = "IOptionFrame"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{79176FB2-B7F2-11CE-97EF-00AA006D2776}\ = "SpinbuttonEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents7"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0\0\win32	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{5512D123-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF}\ = "IScrollbar"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{47FF8FE8-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents9"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0\ = "Microsoft Forms 2.0 Object Library"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{A38BFFC3-A5A0-11CE-8107-00AA00611080}\ = "Tab"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{47FF8FE2-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{92E11A03-7358-11CE-80CB-00AA00611080}\ = "Pages"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{9A4BBF53-4E46-101B-8BBD-00AA003E3B29}\ = "ControlEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcToggleButton"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{7B020EC2-AF6C-11CE-9F46-00AA00574A4F}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{944ACF93-A1E6-11CE-8104-00AA00611080}\ = "Tabs"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{47FF8FE4-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0\0	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{944ACF93-A1E6-11CE-8104-00AA00611080}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents7"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VBE"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776}\ = "ISpinbutton"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{5CEF5613-713D-11CE-80C9-00AA00611080}\ = "IPage"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074}\ = "IReturnString"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{04598FC6-866C-11CF-AB7C-00AA00C08FCF}\ = "IControl"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{8BD21D22-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents10"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLPassword"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents2"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VBE\\MSForms.exd"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLImage"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Wow6432Node\Interface\{5512D125-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLTextArea"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\TypeLib\{3E466BE6-C73A-4386-A966-BFA6631DBFBD}\2.0	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074}\ = "IReturnBoolean"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{5512D119-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{7B020EC1-AF6C-11CE-9F46-00AA00574A4F}\ = "CommandButtonEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000_CLASSES\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}\ = "FormEvents"	WINWORD.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 1 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1088 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1728 wermgr.exe
Token: SeDebugPrivilege 1728 wermgr.exe
Token: SeDebugPrivilege 1728 wermgr.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1088 WINWORD.EXE
1088 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	1	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1088	WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1728	wermgr.exe
Token: SeDebugPrivilege	1728	wermgr.exe
Token: SeDebugPrivilege	1728	wermgr.exe

pid	process
1088	WINWORD.EXE
1088	WINWORD.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exeREGSVR32.exeregsvr32.exe

description	pid	process	target process
PID 1600 wrote to memory of 768	1600	rundll32.exe	WScript.exe
PID 1600 wrote to memory of 768	1600	rundll32.exe	WScript.exe
PID 1600 wrote to memory of 768	1600	rundll32.exe	WScript.exe
PID 1784 wrote to memory of 1760	1784	REGSVR32.exe	regsvr32.exe
PID 1784 wrote to memory of 1760	1784	REGSVR32.exe	regsvr32.exe
PID 1784 wrote to memory of 1760	1784	REGSVR32.exe	regsvr32.exe
PID 1784 wrote to memory of 1760	1784	REGSVR32.exe	regsvr32.exe
PID 1784 wrote to memory of 1760	1784	REGSVR32.exe	regsvr32.exe
PID 1784 wrote to memory of 1760	1784	REGSVR32.exe	regsvr32.exe
PID 1784 wrote to memory of 1760	1784	REGSVR32.exe	regsvr32.exe
PID 1760 wrote to memory of 1728	1760	regsvr32.exe	wermgr.exe
PID 1760 wrote to memory of 1728	1760	regsvr32.exe	wermgr.exe
PID 1760 wrote to memory of 1728	1760	regsvr32.exe	wermgr.exe
PID 1760 wrote to memory of 1728	1760	regsvr32.exe	wermgr.exe
PID 1760 wrote to memory of 1728	1760	regsvr32.exe	wermgr.exe
PID 1760 wrote to memory of 1728	1760	regsvr32.exe	wermgr.exe

C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Notification082520.doc"
1⤵
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1088

C:\Windows\system32\rundll32.exe
rundll32.exe zipfldr.dll,RouteTheCall c:\syslogs\fa.vbs
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\syslogs\fa.vbs"
  2⤵
  - Blacklisted process makes network request
  PID:768

C:\Windows\system32\REGSVR32.exe
REGSVR32 -s c:\syslogs\w_monitor.dll
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\regsvr32.exe
  -s c:\syslogs\w_monitor.dll
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\system32\wermgr.exe
    C:\Windows\system32\wermgr.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1728

Network

MITRE ATT&CK Matrix

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Downloads

C:\syslogs\fa.vbs

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\??\c:\syslogs\w_monitor.dll

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\syslogs\w_monitor.dll

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memory/768-4-0x0000000000000000-mapping.dmp

Download
memory/768-5-0x0000000002670000-0x0000000002674000-memory.dmp

Filesize
16KB

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memory/1728-11-0x0000000000000000-mapping.dmp

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memory/1760-7-0x0000000000000000-mapping.dmp

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memory/1760-9-0x0000000000200000-0x000000000022E000-memory.dmp

Filesize
184KB

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memory/1760-10-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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