formbook | e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

General

Target

tmp.exe
Size

854KB
MD5

cc3b22bd3d92f8209de3a45f1b49b05d
SHA1

46f5d875d74b9dc5f4519b6aff1efdf62df70c73
SHA256

e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a
SHA512

81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

Score

10^/10

formbook ba17 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba17

Decoy

bearwant.com

sdsguanfang.com

steamcommunityvia.top

sugarplumtreasures.com

koronislakefishing.com

jmae.xyz

xhxnqemkiqe.xyz

playzcrew.com

zatwsbq.com

lankofix.com

sh-zhepeng.com

mibodamisxv.online

butterflyjewelry.store

finestrecitalto-spottoday.info

globomateria.com

royalmdarts.com

d4af10836709.com

shepwill.com

67aldrich.info

trustedmakers.club

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1972-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1972-65-0x000000000041F1E0-mapping.dmp	formbook
behavioral1/memory/1972-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1116-75-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook
behavioral1/memory/1116-79-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exeRegSvcs.exemsiexec.exe

description	pid	process	target process
PID 756 set thread context of 1972	756	tmp.exe	RegSvcs.exe
PID 1972 set thread context of 1260	1972	RegSvcs.exe	Explorer.EXE
PID 1116 set thread context of 1260	1116	msiexec.exe	Explorer.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

2016 schtasks.exe

pid	process
2016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

tmp.exeRegSvcs.exemsiexec.exe

pid	process
756	tmp.exe
1972	RegSvcs.exe
1972	RegSvcs.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe
1116	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exemsiexec.exe

pid process

1972 RegSvcs.exe
1972 RegSvcs.exe
1972 RegSvcs.exe
1116 msiexec.exe
1116 msiexec.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exeRegSvcs.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 756 tmp.exe
Token: SeDebugPrivilege 1972 RegSvcs.exe
Token: SeDebugPrivilege 1116 msiexec.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE

pid	process
1972	RegSvcs.exe
1972	RegSvcs.exe
1972	RegSvcs.exe
1116	msiexec.exe
1116	msiexec.exe

description	pid	process
Token: SeDebugPrivilege	756	tmp.exe
Token: SeDebugPrivilege	1972	RegSvcs.exe
Token: SeDebugPrivilege	1116	msiexec.exe

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

tmp.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 756 wrote to memory of 2016	756	tmp.exe	schtasks.exe
PID 756 wrote to memory of 2016	756	tmp.exe	schtasks.exe
PID 756 wrote to memory of 2016	756	tmp.exe	schtasks.exe
PID 756 wrote to memory of 2016	756	tmp.exe	schtasks.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 756 wrote to memory of 1972	756	tmp.exe	RegSvcs.exe
PID 1260 wrote to memory of 1116	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1116	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1116	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1116	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1116	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1116	1260	Explorer.EXE	msiexec.exe
PID 1260 wrote to memory of 1116	1260	Explorer.EXE	msiexec.exe
PID 1116 wrote to memory of 1780	1116	msiexec.exe	cmd.exe
PID 1116 wrote to memory of 1780	1116	msiexec.exe	cmd.exe
PID 1116 wrote to memory of 1780	1116	msiexec.exe	cmd.exe
PID 1116 wrote to memory of 1780	1116	msiexec.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:1260

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OHyOwWfiz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCD2.tmp"
3⤵
- Creates scheduled task(s)
PID:2016

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1972

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1780

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCCD2.tmp
Filesize
1KB

MD5
34ebff0edf4d0cf20053259092082f18

SHA1
51edf31e8f5361f1060855b7585e3afcdba750f5

SHA256
1f378cbed7dfeb6053168337cf781e9a6c8b5bdeda3e9431e98321361b06fc65

SHA512
f59da27ec0059e951b7a70ad5db22287d8d09fcb0bafb3bb089e8a123deeb4b6a4fbeaec60f60dcdb13e539b9ce1b213ab4c90811c189caec081867bef78de26

Download Submit
memory/756-55-0x00000000755B1000-0x00000000755B3000-memory.dmp

Filesize
8KB

Download
memory/756-56-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download
memory/756-57-0x00000000059D0000-0x0000000005A96000-memory.dmp

Filesize
792KB

Download
memory/756-58-0x0000000005840000-0x00000000058B4000-memory.dmp

Filesize
464KB

Download
memory/756-54-0x0000000000910000-0x00000000009EC000-memory.dmp

Filesize
880KB

Download
memory/1116-75-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1116-76-0x00000000022A0000-0x00000000025A3000-memory.dmp

Filesize
3.0MB

Download
memory/1116-79-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1116-77-0x0000000000B60000-0x0000000000BF4000-memory.dmp

Filesize
592KB

Download
memory/1116-74-0x0000000000E80000-0x0000000000E94000-memory.dmp

Filesize
80KB

Download
memory/1116-71-0x0000000000000000-mapping.dmp

Download
memory/1260-70-0x0000000004AD0000-0x0000000004C14000-memory.dmp

Filesize
1.3MB

Download
memory/1260-78-0x0000000007DB0000-0x0000000007EEC000-memory.dmp

Filesize
1.2MB

Download
memory/1260-80-0x0000000007DB0000-0x0000000007EEC000-memory.dmp

Filesize
1.2MB

Download
memory/1780-73-0x0000000000000000-mapping.dmp

Download
memory/1972-68-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/1972-69-0x0000000000150000-0x0000000000165000-memory.dmp

Filesize
84KB

Download
memory/1972-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1972-65-0x000000000041F1E0-mapping.dmp

Download
memory/1972-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1972-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1972-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads