formbook | 3bd968f2cff76757eb1bf75e19e8302ef97417c65ce9c0accf578eafae435c6a

General

Target

LF20240228.exe
Size

652KB
MD5

26a38af05a6bdd23f047eb65fee67251
SHA1

61633e621f7d7cdcca5936b27a18cfe7e5169aae
SHA256

3bd968f2cff76757eb1bf75e19e8302ef97417c65ce9c0accf578eafae435c6a
SHA512

7d852f05e4377b77691c3c7517609b6bd12c96d0c5dfe0bb330974ff891731529c12da9a7d52ea0f4e526fd35ce35237bfe40d2099afc12f59e58f95157e16b9
SSDEEP

12288:JCTYHa5WHBh2Izs6vHhIlvyuq7it546mz2p9:QTYNHU6vHKlvU7ij46mKp

Score

10^/10

formbook hy07 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy07

Decoy

katemclaughl.in

worthyofficial.com

digitopia.click

ledmee.com

siwaasnz.life

ba-y.com

specifiedbuild.com

abandoned-houses-pt-0.bond

yesxoit.xyz

onlinemehrgeld.com

gosysamergoods.com

speakdontell.com

brokenequipmentsolutions.online

gruppofebi.cloud

adilosk.shop

supplierpartnerportal.com

wizov.dev

fast-homeinsurance.com

j88.vote

onamaevn.com

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
behavioral1/memory/2828-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2828-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2736-33-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/2736-35-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2540 cmd.exe

pid	process
2540	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

LF20240228.exeLF20240228.exesvchost.exe

description	pid	process	target process
PID 2392 set thread context of 2828	2392	LF20240228.exe	LF20240228.exe
PID 2828 set thread context of 1340	2828	LF20240228.exe	Explorer.EXE
PID 2736 set thread context of 1340	2736	svchost.exe	Explorer.EXE

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

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/Job
T1053

Processes:

schtasks.exe

pid process

2748 schtasks.exe

pid	process
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

LF20240228.exepowershell.exesvchost.exe

pid	process
2828	LF20240228.exe
2828	LF20240228.exe
1360	powershell.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

LF20240228.exesvchost.exe

pid process

2828 LF20240228.exe
2828 LF20240228.exe
2828 LF20240228.exe
2736 svchost.exe
2736 svchost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

LF20240228.exepowershell.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2828 LF20240228.exe
Token: SeDebugPrivilege 1360 powershell.exe
Token: SeDebugPrivilege 2736 svchost.exe

description	pid	process
Token: SeDebugPrivilege	2828	LF20240228.exe
Token: SeDebugPrivilege	1360	powershell.exe
Token: SeDebugPrivilege	2736	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

LF20240228.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 2392 wrote to memory of 1360	2392	LF20240228.exe	powershell.exe
PID 2392 wrote to memory of 1360	2392	LF20240228.exe	powershell.exe
PID 2392 wrote to memory of 1360	2392	LF20240228.exe	powershell.exe
PID 2392 wrote to memory of 1360	2392	LF20240228.exe	powershell.exe
PID 2392 wrote to memory of 2748	2392	LF20240228.exe	schtasks.exe
PID 2392 wrote to memory of 2748	2392	LF20240228.exe	schtasks.exe
PID 2392 wrote to memory of 2748	2392	LF20240228.exe	schtasks.exe
PID 2392 wrote to memory of 2748	2392	LF20240228.exe	schtasks.exe
PID 2392 wrote to memory of 2828	2392	LF20240228.exe	LF20240228.exe
PID 2392 wrote to memory of 2828	2392	LF20240228.exe	LF20240228.exe
PID 2392 wrote to memory of 2828	2392	LF20240228.exe	LF20240228.exe
PID 2392 wrote to memory of 2828	2392	LF20240228.exe	LF20240228.exe
PID 2392 wrote to memory of 2828	2392	LF20240228.exe	LF20240228.exe
PID 2392 wrote to memory of 2828	2392	LF20240228.exe	LF20240228.exe
PID 2392 wrote to memory of 2828	2392	LF20240228.exe	LF20240228.exe
PID 1340 wrote to memory of 2736	1340	Explorer.EXE	svchost.exe
PID 1340 wrote to memory of 2736	1340	Explorer.EXE	svchost.exe
PID 1340 wrote to memory of 2736	1340	Explorer.EXE	svchost.exe
PID 1340 wrote to memory of 2736	1340	Explorer.EXE	svchost.exe
PID 2736 wrote to memory of 2540	2736	svchost.exe	cmd.exe
PID 2736 wrote to memory of 2540	2736	svchost.exe	cmd.exe
PID 2736 wrote to memory of 2540	2736	svchost.exe	cmd.exe
PID 2736 wrote to memory of 2540	2736	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1340

C:\Users\Admin\AppData\Local\Temp\LF20240228.exe
"C:\Users\Admin\AppData\Local\Temp\LF20240228.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2392

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wIJCOfiF.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1360

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wIJCOfiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp388E.tmp"
3⤵
- Creates scheduled task(s)
PID:2748

C:\Users\Admin\AppData\Local\Temp\LF20240228.exe
"C:\Users\Admin\AppData\Local\Temp\LF20240228.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2828

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:2736

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\LF20240228.exe"
3⤵
- Deletes itself
PID:2540

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp388E.tmp
Filesize
1KB

MD5
9c9b41c8c6367711205b78d0655eb858

SHA1
cd1133db4ec8a096ac8af0ec30b7e8eddcf21ee7

SHA256
7f5fbeb96c3dcee08eef4201dce323a76fcc92a6939be767a4d202a0f1c5a821

SHA512
c20a66aa226e63961e91ee80f69e6a83589ce1e933714411ae2115fd16860756d9c6e7af0c820f43bdd0acbe6dacc6da2a590e2487f2cc978e8627f4167cca14

Download Submit
memory/1340-22-0x0000000003040000-0x0000000003140000-memory.dmp

Filesize
1024KB

Download
memory/1340-29-0x00000000052E0000-0x0000000005425000-memory.dmp

Filesize
1.3MB

Download
memory/1360-25-0x0000000002AB0000-0x0000000002AF0000-memory.dmp

Filesize
256KB

Download
memory/1360-26-0x0000000002AB0000-0x0000000002AF0000-memory.dmp

Filesize
256KB

Download
memory/1360-28-0x000000006E520000-0x000000006EACB000-memory.dmp

Filesize
5.7MB

Download
memory/1360-30-0x000000006E520000-0x000000006EACB000-memory.dmp

Filesize
5.7MB

Download
memory/1360-23-0x000000006E520000-0x000000006EACB000-memory.dmp

Filesize
5.7MB

Download
memory/1360-24-0x0000000002AB0000-0x0000000002AF0000-memory.dmp

Filesize
256KB

Download
memory/2392-5-0x0000000002350000-0x00000000023C6000-memory.dmp

Filesize
472KB

Download
memory/2392-18-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-0-0x0000000000D90000-0x0000000000E38000-memory.dmp

Filesize
672KB

Download
memory/2392-4-0x00000000003E0000-0x00000000003EC000-memory.dmp

Filesize
48KB

Download
memory/2392-3-0x0000000000300000-0x0000000000312000-memory.dmp

Filesize
72KB

Download
memory/2392-2-0x00000000006E0000-0x0000000000720000-memory.dmp

Filesize
256KB

Download
memory/2392-1-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-34-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/2736-31-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/2736-35-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2736-32-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/2736-37-0x0000000000650000-0x00000000006E3000-memory.dmp

Filesize
588KB

Download
memory/2736-33-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2828-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2828-27-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/2828-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2828-20-0x00000000008E0000-0x0000000000BE3000-memory.dmp

Filesize
3.0MB

Download
memory/2828-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2828-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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