formbook | 6f75aa5bfb77700d4a5d180362f67bd23353bb63ae7561c5c19bbca805c6513e

General

Target

AHMR 4036.exe
Size

1.2MB
MD5

086de2ec9b8b5c723d127cbfe35b6d75
SHA1

ed87e00093c8051207c91eaeea7b403a120c1202
SHA256

6452e7934b058662751322258e57f91a8790ab089a93b17062646080e31ea24a
SHA512

2cc91c9d4548d5ba0a03a958caf266563001fda2a5752fa7c65ad7d650ff0fcd1723a5197482466a472f487f58422f620c99d1877568c0548c83f18f05fa0fa0
SSDEEP

24576:S1tTG+YvcFi95eunG2SpnfZ/ykidrl0S3kREYV49Nt:AtTmcFi9ijpnfhyFdTPq49r

Score

10^/10

formbook ba17 rat spyware stealer 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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3432-142-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3432-160-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4812-165-0x0000000000540000-0x000000000056F000-memory.dmp	formbook
behavioral2/memory/4812-168-0x0000000000540000-0x000000000056F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AHMR 4036.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	AHMR 4036.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

AHMR 4036.exeRegSvcs.exenetsh.exe

description	pid	process	target process
PID 1548 set thread context of 3432	1548	AHMR 4036.exe	RegSvcs.exe
PID 3432 set thread context of 3060	3432	RegSvcs.exe	Explorer.EXE
PID 4812 set thread context of 3060	4812	netsh.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

2400 schtasks.exe

pid	process
2400	schtasks.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

AHMR 4036.exepowershell.exeRegSvcs.exenetsh.exe

pid	process
1548	AHMR 4036.exe
1548	AHMR 4036.exe
3344	powershell.exe
3432	RegSvcs.exe
3432	RegSvcs.exe
3344	powershell.exe
3432	RegSvcs.exe
3432	RegSvcs.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe
4812	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exenetsh.exe

pid process

3432 RegSvcs.exe
3432 RegSvcs.exe
3432 RegSvcs.exe
4812 netsh.exe
4812 netsh.exe

pid	process
3060	Explorer.EXE

pid	process
3432	RegSvcs.exe
3432	RegSvcs.exe
3432	RegSvcs.exe
4812	netsh.exe
4812	netsh.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

AHMR 4036.exepowershell.exeRegSvcs.exenetsh.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1548	AHMR 4036.exe
Token: SeDebugPrivilege	3344	powershell.exe
Token: SeDebugPrivilege	3432	RegSvcs.exe
Token: SeDebugPrivilege	4812	netsh.exe
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

AHMR 4036.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 1548 wrote to memory of 3344	1548	AHMR 4036.exe	powershell.exe
PID 1548 wrote to memory of 3344	1548	AHMR 4036.exe	powershell.exe
PID 1548 wrote to memory of 3344	1548	AHMR 4036.exe	powershell.exe
PID 1548 wrote to memory of 2400	1548	AHMR 4036.exe	schtasks.exe
PID 1548 wrote to memory of 2400	1548	AHMR 4036.exe	schtasks.exe
PID 1548 wrote to memory of 2400	1548	AHMR 4036.exe	schtasks.exe
PID 1548 wrote to memory of 3432	1548	AHMR 4036.exe	RegSvcs.exe
PID 1548 wrote to memory of 3432	1548	AHMR 4036.exe	RegSvcs.exe
PID 1548 wrote to memory of 3432	1548	AHMR 4036.exe	RegSvcs.exe
PID 1548 wrote to memory of 3432	1548	AHMR 4036.exe	RegSvcs.exe
PID 1548 wrote to memory of 3432	1548	AHMR 4036.exe	RegSvcs.exe
PID 1548 wrote to memory of 3432	1548	AHMR 4036.exe	RegSvcs.exe
PID 3060 wrote to memory of 4812	3060	Explorer.EXE	netsh.exe
PID 3060 wrote to memory of 4812	3060	Explorer.EXE	netsh.exe
PID 3060 wrote to memory of 4812	3060	Explorer.EXE	netsh.exe
PID 4812 wrote to memory of 2540	4812	netsh.exe	cmd.exe
PID 4812 wrote to memory of 2540	4812	netsh.exe	cmd.exe
PID 4812 wrote to memory of 2540	4812	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\AHMR 4036.exe
"C:\Users\Admin\AppData\Local\Temp\AHMR 4036.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tbURtOkVgPTCd.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tbURtOkVgPTCd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4AF3.tmp"
3⤵
- Creates scheduled task(s)
PID:2400

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3432

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:2540

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4AF3.tmp
Filesize
1KB

MD5
374008802a60918fa78304109fb22347

SHA1
1ce55bc5ff85236a3fdc0cc8b310783656cb2fef

SHA256
e4c57180978d99a10f17582cb5f64726e2c3d37e7dfb7eece37b64fc44735a26

SHA512
6687ad0602539b526f9e4d473db116f3d5158df3f8e0c5e47dae5a55c04b066bf20853014cffc889ac235b0d9d0672d38f09d3e9681e68e05a3ecd882b948c4b

Download Submit
memory/1548-133-0x0000000007A90000-0x0000000008034000-memory.dmp

Filesize
5.6MB

Download
memory/1548-134-0x0000000007580000-0x0000000007612000-memory.dmp

Filesize
584KB

Download
memory/1548-135-0x0000000007550000-0x000000000755A000-memory.dmp

Filesize
40KB

Download
memory/1548-136-0x000000000AE40000-0x000000000AEDC000-memory.dmp

Filesize
624KB

Download
memory/1548-132-0x0000000000590000-0x00000000006C2000-memory.dmp

Filesize
1.2MB

Download
memory/2400-138-0x0000000000000000-mapping.dmp

Download
memory/2540-166-0x0000000000000000-mapping.dmp

Download
memory/3060-171-0x0000000002BE0000-0x0000000002D43000-memory.dmp

Filesize
1.4MB

Download
memory/3060-151-0x00000000027E0000-0x000000000289C000-memory.dmp

Filesize
752KB

Download
memory/3060-170-0x0000000002BE0000-0x0000000002D43000-memory.dmp

Filesize
1.4MB

Download
memory/3344-146-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/3344-153-0x0000000071210000-0x000000007125C000-memory.dmp

Filesize
304KB

Download
memory/3344-145-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download
memory/3344-161-0x0000000007AF0000-0x0000000007AFE000-memory.dmp

Filesize
56KB

Download
memory/3344-148-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/3344-143-0x00000000057F0000-0x0000000005E18000-memory.dmp

Filesize
6.2MB

Download
memory/3344-167-0x0000000007BE0000-0x0000000007BE8000-memory.dmp

Filesize
32KB

Download
memory/3344-139-0x0000000002C90000-0x0000000002CC6000-memory.dmp

Filesize
216KB

Download
memory/3344-152-0x0000000007580000-0x00000000075B2000-memory.dmp

Filesize
200KB

Download
memory/3344-144-0x0000000005710000-0x0000000005732000-memory.dmp

Filesize
136KB

Download
memory/3344-154-0x0000000006B60000-0x0000000006B7E000-memory.dmp

Filesize
120KB

Download
memory/3344-155-0x0000000007FE0000-0x000000000865A000-memory.dmp

Filesize
6.5MB

Download
memory/3344-156-0x00000000076B0000-0x00000000076CA000-memory.dmp

Filesize
104KB

Download
memory/3344-157-0x0000000007720000-0x000000000772A000-memory.dmp

Filesize
40KB

Download
memory/3344-158-0x0000000007B40000-0x0000000007BD6000-memory.dmp

Filesize
600KB

Download
memory/3344-137-0x0000000000000000-mapping.dmp

Download
memory/3344-162-0x0000000007C00000-0x0000000007C1A000-memory.dmp

Filesize
104KB

Download
memory/3432-141-0x0000000000000000-mapping.dmp

Download
memory/3432-160-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3432-150-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/3432-149-0x0000000001070000-0x00000000013BA000-memory.dmp

Filesize
3.3MB

Download
memory/3432-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4812-163-0x0000000001160000-0x00000000014AA000-memory.dmp

Filesize
3.3MB

Download
memory/4812-164-0x0000000001680000-0x000000000169E000-memory.dmp

Filesize
120KB

Download
memory/4812-159-0x0000000000000000-mapping.dmp

Download
memory/4812-165-0x0000000000540000-0x000000000056F000-memory.dmp

Filesize
188KB

Download
memory/4812-168-0x0000000000540000-0x000000000056F000-memory.dmp

Filesize
188KB

Download
memory/4812-169-0x0000000000F90000-0x0000000001024000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads