formbook | 564cf035463b7a4ddcb4bb4821ff47742e9fcd7e0764503b4fbeb87242c22fbf

General

Target

STATEMENT OF ACCOUNTS.exe
Size

464KB
MD5

bbb834f13790a853aafd0d0adab527f4
SHA1

8b20c41d9c082642d9d7c858105d224b81f6fdc2
SHA256

c1b2a36d08dfb9bc18d53112299e6cef0c5057885918a4485b8f1b87a20d709a
SHA512

68303db868b5bf9897e636caf946c5dde5cf28e0590649e1f8e4b0e998eb7c1ea599b87c95f6f7361effcf6fb04737168ed15d9aad95e77acae3dfb619cfe87b

Score

10^/10

formbook nfl persistence rat rezer0 spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

nfl

Decoy

giacamp.net

qb51.party

mashalevine.com

russiasexdating.com

jitangyy.com

morockin.com

karoreiss.com

tractionhero.today

bienvenueenprovence.net

stormharbour.info

61999h.com

tryandcert.com

bestwaytosuccess.com

laobaochang.com

otomatiktente.com

rehpb.info

ivpdqb.info

dc-wv-wv-ie-q.com

goingmagic.com

cimachain.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1736-63-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1736-64-0x000000000041B620-mapping.dmp	formbook
behavioral1/memory/1736-66-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1528-73-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1972-57-0x00000000021A0000-0x00000000021D8000-memory.dmp	rezer0

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wininit.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\HTD0QPP0FTV = "C:\\Program Files (x86)\\Webdx\\user-z_.exe"	wininit.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

524 cmd.exe

pid	process
524	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeSTATEMENT OF ACCOUNTS.exewininit.exe

description	pid	process	target process
PID 1972 set thread context of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1736 set thread context of 1416	1736	STATEMENT OF ACCOUNTS.exe	Explorer.EXE
PID 1528 set thread context of 1416	1528	wininit.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wininit.exe

description ioc process

File opened for modification C:\Program Files (x86)\Webdx\user-z_.exe wininit.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

636 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Webdx\user-z_.exe	wininit.exe

pid	process
636	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wininit.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wininit.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeSTATEMENT OF ACCOUNTS.exewininit.exe

pid	process
1972	STATEMENT OF ACCOUNTS.exe
1972	STATEMENT OF ACCOUNTS.exe
1972	STATEMENT OF ACCOUNTS.exe
1972	STATEMENT OF ACCOUNTS.exe
1736	STATEMENT OF ACCOUNTS.exe
1736	STATEMENT OF ACCOUNTS.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe
1528	wininit.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

STATEMENT OF ACCOUNTS.exewininit.exe

pid process

1736 STATEMENT OF ACCOUNTS.exe
1736 STATEMENT OF ACCOUNTS.exe
1736 STATEMENT OF ACCOUNTS.exe
1528 wininit.exe
1528 wininit.exe

pid	process
1736	STATEMENT OF ACCOUNTS.exe
1736	STATEMENT OF ACCOUNTS.exe
1736	STATEMENT OF ACCOUNTS.exe
1528	wininit.exe
1528	wininit.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeSTATEMENT OF ACCOUNTS.exewininit.exe

description	pid	process
Token: SeDebugPrivilege	1972	STATEMENT OF ACCOUNTS.exe
Token: SeDebugPrivilege	1736	STATEMENT OF ACCOUNTS.exe
Token: SeDebugPrivilege	1528	wininit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1416 Explorer.EXE
1416 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1416 Explorer.EXE
1416 Explorer.EXE

pid	process
1416	Explorer.EXE
1416	Explorer.EXE

pid	process
1416	Explorer.EXE
1416	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

STATEMENT OF ACCOUNTS.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1972 wrote to memory of 636	1972	STATEMENT OF ACCOUNTS.exe	schtasks.exe
PID 1972 wrote to memory of 636	1972	STATEMENT OF ACCOUNTS.exe	schtasks.exe
PID 1972 wrote to memory of 636	1972	STATEMENT OF ACCOUNTS.exe	schtasks.exe
PID 1972 wrote to memory of 636	1972	STATEMENT OF ACCOUNTS.exe	schtasks.exe
PID 1972 wrote to memory of 1484	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1484	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1484	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1484	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1972 wrote to memory of 1736	1972	STATEMENT OF ACCOUNTS.exe	STATEMENT OF ACCOUNTS.exe
PID 1416 wrote to memory of 1528	1416	Explorer.EXE	wininit.exe
PID 1416 wrote to memory of 1528	1416	Explorer.EXE	wininit.exe
PID 1416 wrote to memory of 1528	1416	Explorer.EXE	wininit.exe
PID 1416 wrote to memory of 1528	1416	Explorer.EXE	wininit.exe
PID 1528 wrote to memory of 524	1528	wininit.exe	cmd.exe
PID 1528 wrote to memory of 524	1528	wininit.exe	cmd.exe
PID 1528 wrote to memory of 524	1528	wininit.exe	cmd.exe
PID 1528 wrote to memory of 524	1528	wininit.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:1416

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ObKQGjkvrU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1517.tmp"
3⤵
- Creates scheduled task(s)
PID:636

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
"{path}"
3⤵
PID:1484

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1736

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNTS.exe"
3⤵
- Deletes itself
PID:524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1517.tmp
Filesize
1KB

MD5
c6c8c4ae5b03c4fa9c13894087c5544a

SHA1
0a044f0852c595a7f4674141812bdf946f5e24df

SHA256
3985d98a518d2ccaa6a3791c72a4c57e04faf7c8eed96392d5b6e1822069ab53

SHA512
8f679b9719c588782fd0d0630aa0016011b7ff09d8125babf77a454749516da15d40a88eb9d49a7cb1935690d973576406fe91107dd7271b02dc0347763d7ed8

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C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logim.jpeg
Filesize
67KB

MD5
51e90ab0c83a71c7207e14b88272b9ee

SHA1
f432057e19517686ce8dfe48ed54e1ef7fd63545

SHA256
197d391531e47af63479225126f1f69418a0a930fe04a21621f2408e3044af16

SHA512
7eb84189d676c2375021f88afd19b256dd05e4555387399b4dceca78e4431e8c389651891b59cccd8714dc02014103456cab15628e17b4f9a96af00785a0c9d5

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C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

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C:\Users\Admin\AppData\Roaming\K15M0CQ7\K15logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

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memory/524-72-0x0000000000000000-mapping.dmp

Download
memory/636-58-0x0000000000000000-mapping.dmp

Download
memory/1416-69-0x0000000006C70000-0x0000000006DDE000-memory.dmp

Filesize
1.4MB

Download
memory/1416-76-0x0000000006FA0000-0x00000000070CF000-memory.dmp

Filesize
1.2MB

Download
memory/1528-77-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1528-74-0x0000000001F80000-0x0000000002283000-memory.dmp

Filesize
3.0MB

Download
memory/1528-73-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/1528-71-0x00000000006E0000-0x00000000006FA000-memory.dmp

Filesize
104KB

Download
memory/1528-75-0x0000000001DF0000-0x0000000001E83000-memory.dmp

Filesize
588KB

Download
memory/1528-70-0x0000000000000000-mapping.dmp

Download
memory/1736-60-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1736-68-0x00000000003A0000-0x00000000003B4000-memory.dmp

Filesize
80KB

Download
memory/1736-67-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/1736-66-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1736-64-0x000000000041B620-mapping.dmp

Download
memory/1736-63-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1736-61-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1972-54-0x0000000000140000-0x00000000001BC000-memory.dmp

Filesize
496KB

Download
memory/1972-57-0x00000000021A0000-0x00000000021D8000-memory.dmp

Filesize
224KB

Download
memory/1972-56-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/1972-55-0x00000000005F0000-0x000000000062C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads