formbook | ff04de070992e03856e6f04a66c1fb8c0861c5e655eb13e8c0c1d266c73ea501

General

Target

Soa.doc
Size

512KB
MD5

c8d6f663f18deded129dcd09717fac93
SHA1

d9693e9110dcb432447fa12d3e5d3a5e830a4984
SHA256

ff04de070992e03856e6f04a66c1fb8c0861c5e655eb13e8c0c1d266c73ea501
SHA512

eb2e2f252b891a75a3ae4e320c1059a07c06b5e3c4a39321211c9b9c0fe694f66f3c411a2a4799d712aa688e35f4f6a066b1ec4fa94626c70f52175578511be6

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.unitedfootballcamps.com/bf3/

Decoy

ecatcom.com

what3emoji.com

primbathandbody.com

yt-itclub.com

newbieeer.com

getyoursofa.com

mexicanitems.info

catalogcardgames.net

leagueofwomengolfers.com

gvanmp.com

midnightsunhi.com

cnluma.com

sunsetcherrydesigns.com

cosmoproturkey.com

inifinityapps.net

making50masks.com

battalionice.com

uk-calculation.net

frosteatlove.com

bs-mag.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1096-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1096-24-0x000000000041EBE0-mapping.dmp	formbook
behavioral1/memory/904-36-0x0000000000070000-0x000000000009E000-memory.dmp	formbook

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1164 EQNEDT32.EXE
8 1164 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

69577.exeAddInProcess32.exe

pid process

1840 69577.exe
1096 AddInProcess32.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE69577.exe

pid process

1164 EQNEDT32.EXE
1840 69577.exe

flow	pid	process
6	1164	EQNEDT32.EXE
8	1164	EQNEDT32.EXE

pid	process
1164	EQNEDT32.EXE
1840	69577.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

69577.exeAddInProcess32.execscript.exe

description	pid	process	target process
PID 1840 set thread context of 1096	1840	69577.exe	AddInProcess32.exe
PID 1096 set thread context of 1196	1096	AddInProcess32.exe	Explorer.EXE
PID 1096 set thread context of 1196	1096	AddInProcess32.exe	Explorer.EXE
PID 904 set thread context of 1196	904	cscript.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1164 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
1164	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1832 WINWORD.EXE

pid	process
1832	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

69577.exeAddInProcess32.execscript.exe

pid	process
1840	69577.exe
1840	69577.exe
1096	AddInProcess32.exe
1096	AddInProcess32.exe
1096	AddInProcess32.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe
904	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

AddInProcess32.execscript.exe

pid process

1096 AddInProcess32.exe
1096 AddInProcess32.exe
1096 AddInProcess32.exe
1096 AddInProcess32.exe
904 cscript.exe
904 cscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

69577.exeAddInProcess32.execscript.exe

description pid process

Token: SeDebugPrivilege 1840 69577.exe
Token: SeDebugPrivilege 1096 AddInProcess32.exe
Token: SeDebugPrivilege 904 cscript.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1832 WINWORD.EXE
1832 WINWORD.EXE

pid	process
1096	AddInProcess32.exe
1096	AddInProcess32.exe
1096	AddInProcess32.exe
1096	AddInProcess32.exe
904	cscript.exe
904	cscript.exe

description	pid	process
Token: SeDebugPrivilege	1840	69577.exe
Token: SeDebugPrivilege	1096	AddInProcess32.exe
Token: SeDebugPrivilege	904	cscript.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1832	WINWORD.EXE
1832	WINWORD.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

WINWORD.EXEEQNEDT32.EXE69577.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1832 wrote to memory of 2000	1832	WINWORD.EXE	splwow64.exe
PID 1832 wrote to memory of 2000	1832	WINWORD.EXE	splwow64.exe
PID 1832 wrote to memory of 2000	1832	WINWORD.EXE	splwow64.exe
PID 1832 wrote to memory of 2000	1832	WINWORD.EXE	splwow64.exe
PID 1164 wrote to memory of 1840	1164	EQNEDT32.EXE	69577.exe
PID 1164 wrote to memory of 1840	1164	EQNEDT32.EXE	69577.exe
PID 1164 wrote to memory of 1840	1164	EQNEDT32.EXE	69577.exe
PID 1164 wrote to memory of 1840	1164	EQNEDT32.EXE	69577.exe
PID 1840 wrote to memory of 1096	1840	69577.exe	AddInProcess32.exe
PID 1840 wrote to memory of 1096	1840	69577.exe	AddInProcess32.exe
PID 1840 wrote to memory of 1096	1840	69577.exe	AddInProcess32.exe
PID 1840 wrote to memory of 1096	1840	69577.exe	AddInProcess32.exe
PID 1840 wrote to memory of 1096	1840	69577.exe	AddInProcess32.exe
PID 1840 wrote to memory of 1096	1840	69577.exe	AddInProcess32.exe
PID 1840 wrote to memory of 1096	1840	69577.exe	AddInProcess32.exe
PID 1196 wrote to memory of 904	1196	Explorer.EXE	cscript.exe
PID 1196 wrote to memory of 904	1196	Explorer.EXE	cscript.exe
PID 1196 wrote to memory of 904	1196	Explorer.EXE	cscript.exe
PID 1196 wrote to memory of 904	1196	Explorer.EXE	cscript.exe
PID 904 wrote to memory of 2020	904	cscript.exe	cmd.exe
PID 904 wrote to memory of 2020	904	cscript.exe	cmd.exe
PID 904 wrote to memory of 2020	904	cscript.exe	cmd.exe
PID 904 wrote to memory of 2020	904	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Soa.doc"
2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:2000

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
PID:2020

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1164

C:\Users\Public\69577.exe
"C:\Users\Public\69577.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1096

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Public\69577.exe

MD5
1eea31c7530595a01a054ad9f86b9dc3

SHA1
f1512ab3aee1acfc11c86706f1f780ffef881d71

SHA256
a68a5c0f7b3fcd4b0da8f24992a3d4d020e72d630e83947de700a02688fce48b

SHA512
9a47e28732c4565797b66a856a2d237f2abc02ffcfd317ca2eed9b5aa174ed1b14bbd3a203b1c8a33090c303235248218dcd3e310c6e0aabcd0d7018f6199654

Download Submit
C:\Users\Public\69577.exe

MD5
1eea31c7530595a01a054ad9f86b9dc3

SHA1
f1512ab3aee1acfc11c86706f1f780ffef881d71

SHA256
a68a5c0f7b3fcd4b0da8f24992a3d4d020e72d630e83947de700a02688fce48b

SHA512
9a47e28732c4565797b66a856a2d237f2abc02ffcfd317ca2eed9b5aa174ed1b14bbd3a203b1c8a33090c303235248218dcd3e310c6e0aabcd0d7018f6199654

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
\Users\Public\69577.exe

MD5
1eea31c7530595a01a054ad9f86b9dc3

SHA1
f1512ab3aee1acfc11c86706f1f780ffef881d71

SHA256
a68a5c0f7b3fcd4b0da8f24992a3d4d020e72d630e83947de700a02688fce48b

SHA512
9a47e28732c4565797b66a856a2d237f2abc02ffcfd317ca2eed9b5aa174ed1b14bbd3a203b1c8a33090c303235248218dcd3e310c6e0aabcd0d7018f6199654

Download Submit
memory/904-35-0x0000000000C40000-0x0000000000C62000-memory.dmp

Filesize
136KB

Download
memory/904-32-0x0000000000000000-mapping.dmp

Download
memory/904-37-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/904-36-0x0000000000070000-0x000000000009E000-memory.dmp

Filesize
184KB

Download
memory/904-38-0x00000000008F0000-0x0000000000983000-memory.dmp

Filesize
588KB

Download
memory/1096-30-0x00000000003B0000-0x00000000003C4000-memory.dmp

Filesize
80KB

Download
memory/1096-24-0x000000000041EBE0-mapping.dmp

Download
memory/1096-28-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/1096-27-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/1096-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1164-7-0x0000000076191000-0x0000000076193000-memory.dmp

Filesize
8KB

Download
memory/1196-39-0x0000000006E50000-0x0000000006FBE000-memory.dmp

Filesize
1.4MB

Download
memory/1196-29-0x0000000006900000-0x0000000006A82000-memory.dmp

Filesize
1.5MB

Download
memory/1196-31-0x0000000004900000-0x0000000004A2D000-memory.dmp

Filesize
1.2MB

Download
memory/1644-8-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmp

Filesize
2.5MB

Download
memory/1832-2-0x0000000072B11000-0x0000000072B14000-memory.dmp

Filesize
12KB

Download
memory/1832-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1832-3-0x0000000070591000-0x0000000070593000-memory.dmp

Filesize
8KB

Download
memory/1840-14-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/1840-22-0x0000000004A31000-0x0000000004A32000-memory.dmp

Filesize
4KB

Download
memory/1840-20-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1840-19-0x00000000005E0000-0x00000000005EB000-memory.dmp

Filesize
44KB

Download
memory/1840-18-0x0000000004A30000-0x0000000004A31000-memory.dmp

Filesize
4KB

Download
memory/1840-17-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1840-16-0x00000000005A0000-0x00000000005BE000-memory.dmp

Filesize
120KB

Download
memory/1840-13-0x000000006AEE0000-0x000000006B5CE000-memory.dmp

Filesize
6.9MB

Download
memory/1840-10-0x0000000000000000-mapping.dmp

Download
memory/2000-5-0x0000000000000000-mapping.dmp

Download
memory/2000-6-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

Filesize
8KB

Download
memory/2020-34-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads