formbook | 7cd0f4968e27515f466f0a6e6967dbc9bca2c9b75a9592e38709a2ca884c6d71

General

Target

PO - 04755 .bat.exe
Size

541KB
MD5

37f3b2a7f84422ea9fce13bcc170461b
SHA1

b2d8ac2774b12ffc4412435224398f3909bc8ceb
SHA256

7cd0f4968e27515f466f0a6e6967dbc9bca2c9b75a9592e38709a2ca884c6d71
SHA512

604aeeaf52c3aaab4e1a46ec2879d7b8e6f68ce0168e2f7ffc4f970b1633a2752959816bde10bbe19946a0ae7a2e9d373979554729fc7ed9366e1c5516b6639a
SSDEEP

12288:YEuIQ8LBZ0BJxONHZZZxa3qBHkKbdUKSaEpkAE5YWOzxRwzPE58bm:XlXBWDxOpxk3qBHkcWgEppEWzxRw458K

Score

10^/10

formbook 45er execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

45er

Decoy

depotpulsa.com

k2bilbao.online

bb4uoficial.com

rwc666.club

us-pservice.cyou

tricegottreats.com

zsystems.pro

qudouyin6.com

sfumaturedamore.net

pcetyy.icu

notbokin.online

beqprod.tech

flipbuilding.com

errormitigationzoo.com

zj5u603.xyz

jezzatravel.com

zmdniavysyi.shop

quinnsteele.com

522334.com

outdoorshopping.net

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook payload 2 IoCs
rat

Processes:

resource yara_rule

behavioral2/memory/1520-48-0x0000000000400000-0x000000000042F000-memory.dmp formbook
behavioral2/memory/1044-96-0x0000000000530000-0x000000000055F000-memory.dmp formbook
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

1424 powershell.exe
1396 powershell.exe
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:

PO - 04755 .bat.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation PO - 04755 .bat.exe

resource	yara_rule
behavioral2/memory/1520-48-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1044-96-0x0000000000530000-0x000000000055F000-memory.dmp	formbook

pid	process
1424	powershell.exe
1396	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	PO - 04755 .bat.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO - 04755 .bat.exePO - 04755 .bat.exesvchost.exe

description	pid	process	target process
PID 3192 set thread context of 1520	3192	PO - 04755 .bat.exe	PO - 04755 .bat.exe
PID 1520 set thread context of 3508	1520	PO - 04755 .bat.exe	Explorer.EXE
PID 1044 set thread context of 3508	1044	svchost.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

4604 schtasks.exe

pid	process
4604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

PO - 04755 .bat.exepowershell.exepowershell.exePO - 04755 .bat.exesvchost.exe

pid	process
3192	PO - 04755 .bat.exe
3192	PO - 04755 .bat.exe
3192	PO - 04755 .bat.exe
3192	PO - 04755 .bat.exe
3192	PO - 04755 .bat.exe
3192	PO - 04755 .bat.exe
1424	powershell.exe
1396	powershell.exe
3192	PO - 04755 .bat.exe
1520	PO - 04755 .bat.exe
1520	PO - 04755 .bat.exe
1520	PO - 04755 .bat.exe
1520	PO - 04755 .bat.exe
1424	powershell.exe
1396	powershell.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe
1044	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

PO - 04755 .bat.exesvchost.exe

pid process

1520 PO - 04755 .bat.exe
1520 PO - 04755 .bat.exe
1520 PO - 04755 .bat.exe
1044 svchost.exe
1044 svchost.exe

pid	process
1520	PO - 04755 .bat.exe
1520	PO - 04755 .bat.exe
1520	PO - 04755 .bat.exe
1044	svchost.exe
1044	svchost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

PO - 04755 .bat.exepowershell.exepowershell.exePO - 04755 .bat.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3192	PO - 04755 .bat.exe
Token: SeDebugPrivilege	1396	powershell.exe
Token: SeDebugPrivilege	1424	powershell.exe
Token: SeDebugPrivilege	1520	PO - 04755 .bat.exe
Token: SeDebugPrivilege	1044	svchost.exe
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PO - 04755 .bat.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 3192 wrote to memory of 1396	3192	PO - 04755 .bat.exe	powershell.exe
PID 3192 wrote to memory of 1396	3192	PO - 04755 .bat.exe	powershell.exe
PID 3192 wrote to memory of 1396	3192	PO - 04755 .bat.exe	powershell.exe
PID 3192 wrote to memory of 1424	3192	PO - 04755 .bat.exe	powershell.exe
PID 3192 wrote to memory of 1424	3192	PO - 04755 .bat.exe	powershell.exe
PID 3192 wrote to memory of 1424	3192	PO - 04755 .bat.exe	powershell.exe
PID 3192 wrote to memory of 4604	3192	PO - 04755 .bat.exe	schtasks.exe
PID 3192 wrote to memory of 4604	3192	PO - 04755 .bat.exe	schtasks.exe
PID 3192 wrote to memory of 4604	3192	PO - 04755 .bat.exe	schtasks.exe
PID 3192 wrote to memory of 1520	3192	PO - 04755 .bat.exe	PO - 04755 .bat.exe
PID 3192 wrote to memory of 1520	3192	PO - 04755 .bat.exe	PO - 04755 .bat.exe
PID 3192 wrote to memory of 1520	3192	PO - 04755 .bat.exe	PO - 04755 .bat.exe
PID 3192 wrote to memory of 1520	3192	PO - 04755 .bat.exe	PO - 04755 .bat.exe
PID 3192 wrote to memory of 1520	3192	PO - 04755 .bat.exe	PO - 04755 .bat.exe
PID 3192 wrote to memory of 1520	3192	PO - 04755 .bat.exe	PO - 04755 .bat.exe
PID 3508 wrote to memory of 1044	3508	Explorer.EXE	svchost.exe
PID 3508 wrote to memory of 1044	3508	Explorer.EXE	svchost.exe
PID 3508 wrote to memory of 1044	3508	Explorer.EXE	svchost.exe
PID 1044 wrote to memory of 4192	1044	svchost.exe	cmd.exe
PID 1044 wrote to memory of 4192	1044	svchost.exe	cmd.exe
PID 1044 wrote to memory of 4192	1044	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508

C:\Users\Admin\AppData\Local\Temp\PO - 04755 .bat.exe
"C:\Users\Admin\AppData\Local\Temp\PO - 04755 .bat.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3192

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO - 04755 .bat.exe"
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iRfUxRRiZtkySe.exe"
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1424

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iRfUxRRiZtkySe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8FCC.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:4604

C:\Users\Admin\AppData\Local\Temp\PO - 04755 .bat.exe
"C:\Users\Admin\AppData\Local\Temp\PO - 04755 .bat.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1520

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO - 04755 .bat.exe"
3⤵
PID:4192

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
c4bc95ee1ef7c1a0592b7b36aa8219da

SHA1
bf943311795528ff2d358e5c74b702c0a6621a29

SHA256
77a27df281a6a1a6b920ed2c17c553676adc66d8cdec05d8da899ee17783c630

SHA512
73c310b256b876f9c6415ff5e161c8fba0ca4c5ea8ca7108651c7f71699fae9db381c800730128d32154545cd8083c502468a0cb1580852ceac068814d233ceb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qntlmf0y.4lp.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8FCC.tmp
Filesize
1KB

MD5
710b721c852be7b0259c61fd37b78aeb

SHA1
0ed5466076b95556e043310b7898f4ab7386999a

SHA256
5d59a86e6e56c746d3e728a3b22f9d4067ace038729efc9b9f9debdcb0e04c4a

SHA512
aac58bba792d6aa6dbbb3eb27a7be8b42eee7cff2ddc64817809f7354c47aa7937d7e670d9ac3c32ec01d5fc2b764092132d83c2fc2d204de3c49350574c374f

Download Submit
memory/1044-96-0x0000000000530000-0x000000000055F000-memory.dmp

Filesize
188KB

Download
memory/1044-87-0x00000000006A0000-0x00000000006AE000-memory.dmp

Filesize
56KB

Download
memory/1044-88-0x00000000006A0000-0x00000000006AE000-memory.dmp

Filesize
56KB

Download
memory/1396-16-0x0000000004A70000-0x0000000004AA6000-memory.dmp

Filesize
216KB

Download
memory/1396-21-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/1396-84-0x0000000007500000-0x0000000007514000-memory.dmp

Filesize
80KB

Download
memory/1396-83-0x00000000074F0000-0x00000000074FE000-memory.dmp

Filesize
56KB

Download
memory/1396-80-0x0000000007130000-0x000000000713A000-memory.dmp

Filesize
40KB

Download
memory/1396-54-0x0000000005FC0000-0x000000000600C000-memory.dmp

Filesize
304KB

Download
memory/1396-56-0x0000000075970000-0x00000000759BC000-memory.dmp

Filesize
304KB

Download
memory/1396-19-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1396-18-0x00000000051C0000-0x00000000057E8000-memory.dmp

Filesize
6.2MB

Download
memory/1396-85-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/1396-22-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1396-20-0x0000000004EF0000-0x0000000004F12000-memory.dmp

Filesize
136KB

Download
memory/1396-23-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/1396-24-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1396-86-0x00000000075E0000-0x00000000075E8000-memory.dmp

Filesize
32KB

Download
memory/1396-30-0x00000000059D0000-0x0000000005D24000-memory.dmp

Filesize
3.3MB

Download
memory/1396-95-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1396-66-0x0000000006530000-0x000000000654E000-memory.dmp

Filesize
120KB

Download
memory/1396-67-0x0000000006F60000-0x0000000007003000-memory.dmp

Filesize
652KB

Download
memory/1396-55-0x0000000006560000-0x0000000006592000-memory.dmp

Filesize
200KB

Download
memory/1424-78-0x0000000007B70000-0x00000000081EA000-memory.dmp

Filesize
6.5MB

Download
memory/1424-79-0x0000000007520000-0x000000000753A000-memory.dmp

Filesize
104KB

Download
memory/1424-91-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1424-53-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/1424-46-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1424-82-0x0000000007720000-0x0000000007731000-memory.dmp

Filesize
68KB

Download
memory/1424-68-0x0000000075970000-0x00000000759BC000-memory.dmp

Filesize
304KB

Download
memory/1424-49-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1424-42-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1424-81-0x00000000077A0000-0x0000000007836000-memory.dmp

Filesize
600KB

Download
memory/1520-48-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3192-6-0x0000000006B20000-0x000000000704C000-memory.dmp

Filesize
5.2MB

Download
memory/3192-8-0x0000000005DC0000-0x0000000005E4A000-memory.dmp

Filesize
552KB

Download
memory/3192-17-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/3192-47-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3192-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/3192-9-0x0000000005ED0000-0x0000000005EE0000-memory.dmp

Filesize
64KB

Download
memory/3192-11-0x0000000006870000-0x00000000068E6000-memory.dmp

Filesize
472KB

Download
memory/3192-7-0x0000000005D20000-0x0000000005DBC000-memory.dmp

Filesize
624KB

Download
memory/3192-10-0x0000000006020000-0x000000000602C000-memory.dmp

Filesize
48KB

Download
memory/3192-5-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3192-51-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/3192-4-0x0000000005A40000-0x0000000005A4A000-memory.dmp

Filesize
40KB

Download
memory/3192-3-0x0000000005A90000-0x0000000005B22000-memory.dmp

Filesize
584KB

Download
memory/3192-2-0x0000000006040000-0x00000000065E4000-memory.dmp

Filesize
5.6MB

Download
memory/3192-1-0x0000000000FD0000-0x000000000105E000-memory.dmp

Filesize
568KB

Download
memory/3508-100-0x00000000087C0000-0x00000000088E2000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads