formbook | 19c0c7bdad5e228179478b4b6c0c0bf282141f64023b15f9d08bb4e140592fbd

General

Target

Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe
Size

277KB
MD5

adfbf0d0858c2ccf0c3070967f1c5a3e
SHA1

e723c9f072504c3345f91829000ec7d96ac6661a
SHA256

54d71b452ceceb7769f2ab610d157005849ec32aae5544acaa99d08f8d12cd95
SHA512

7c08f20307f27a8f91fdf53efd1280b898e78fbc8382c4b3dd3fc3f7f75204e0c4fafb5e7bc97d53872d46fc3ab72851703c8f0d6e932c407d3b5e6e68f07749
SSDEEP

6144:KAJjLwdO06a3KpeQnaMDCbd9D+E2fCos4OianeAsIJ/8kAG:KjO06IKpRnacCxx+EcCBnbX8kL

Score

10^/10

formbook f4ca rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

f4ca

Decoy

QYZ6iE9Y+CsiZpCBareS0uU=

N2FQLAaH6xXE

Vc6t0MQXN+Llxsqg

ElBedmSvYGGm6yLDhHqzAtmlCxWl

4VpIWShqHR5cpjfQ4bs=

mepO9miu/iFiQQ==

Z8Owqh54IlwEpDfQ4bs=

qcq4uT5HecWZG3EVwKTiUE7slrGQGiyo

IaYYoJikKDDqgV/NigZCLA==

4Xz5pfoCCW/76NnOUrFEOw==

xiijSkVJ3Yuh9OKDcmui/d2lCxWl

cr8MmfpCEu0ULsO3p6w=

JLm2yKHo7hdVb8O3p6w=

Hriy5svWm2Qfq9mPQib9jJI65gOr

2G3nkRpidunlxsqg

gPHUAeXmi8Q9ARy3

6l5WaOf8BxhQDkp5gKQ=

KHHiXs4WOqXZdPhpaw==

+UQ5Vz5O0Ms9ARy3

pNQygKu0OziAvjOHRGLnJA==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Loads dropped DLL 1 IoCs

Processes:

cmmon32.exe

pid process

1284 cmmon32.exe

pid	process
1284	cmmon32.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.execvtres.execmmon32.exe

description	pid	process	target process
PID 1808 set thread context of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 952 set thread context of 1216	952	cvtres.exe	Explorer.EXE
PID 952 set thread context of 1216	952	cvtres.exe	Explorer.EXE
PID 1284 set thread context of 1216	1284	cmmon32.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

cvtres.execmmon32.exe

pid	process
952	cvtres.exe
952	cvtres.exe
952	cvtres.exe
952	cvtres.exe
952	cvtres.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe
1284	cmmon32.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

cvtres.execmmon32.exe

pid process

952 cvtres.exe
952 cvtres.exe
952 cvtres.exe
952 cvtres.exe
1284 cmmon32.exe
1284 cmmon32.exe
1284 cmmon32.exe
1284 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.execmmon32.exe

description pid process

Token: SeDebugPrivilege 952 cvtres.exe
Token: SeDebugPrivilege 1284 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	952	cvtres.exe
Token: SeDebugPrivilege	1284	cmmon32.exe

pid	process
1216	Explorer.EXE
1216	Explorer.EXE

pid	process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1808 wrote to memory of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 1808 wrote to memory of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 1808 wrote to memory of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 1808 wrote to memory of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 1808 wrote to memory of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 1808 wrote to memory of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 1808 wrote to memory of 952	1808	Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe	cvtres.exe
PID 1216 wrote to memory of 1284	1216	Explorer.EXE	cmmon32.exe
PID 1216 wrote to memory of 1284	1216	Explorer.EXE	cmmon32.exe
PID 1216 wrote to memory of 1284	1216	Explorer.EXE	cmmon32.exe
PID 1216 wrote to memory of 1284	1216	Explorer.EXE	cmmon32.exe
PID 1284 wrote to memory of 472	1284	cmmon32.exe	Firefox.exe
PID 1284 wrote to memory of 472	1284	cmmon32.exe	Firefox.exe
PID 1284 wrote to memory of 472	1284	cmmon32.exe	Firefox.exe
PID 1284 wrote to memory of 472	1284	cmmon32.exe	Firefox.exe
PID 1284 wrote to memory of 472	1284	cmmon32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1216

C:\Users\Admin\AppData\Local\Temp\Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice_Tracking_657895995845HKFDHKLFDLKHDFKLFDKHLFDKL89634.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:952

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:472

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
890KB

MD5
8402a6aa76d7787ff03943dd129e3d83

SHA1
895338cb761d62930ca93918011fd2cd33d5b30c

SHA256
49ff99d5b24f4f7d5a8ea175f35a6548c74b04e5c621c60121b5088dab19b4eb

SHA512
39bbe90385be35492825929296aae771fb4afb00a1f6a48f0e4ec17bc1097c3a32cea3b22033116c82695e66acbd6c847483a8da21e7302240467b58e39169ea

Download Submit
memory/952-61-0x00000000004012B0-mapping.dmp

Download
memory/952-74-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/952-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/952-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/952-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/952-70-0x0000000000220000-0x0000000000230000-memory.dmp

Filesize
64KB

Download
memory/952-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/952-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/952-65-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/952-66-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/952-67-0x00000000000F0000-0x0000000000100000-memory.dmp

Filesize
64KB

Download
memory/952-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1216-68-0x0000000004FB0000-0x000000000512C000-memory.dmp

Filesize
1.5MB

Download
memory/1216-79-0x0000000004920000-0x00000000049FD000-memory.dmp

Filesize
884KB

Download
memory/1216-82-0x0000000004920000-0x00000000049FD000-memory.dmp

Filesize
884KB

Download
memory/1216-71-0x0000000006800000-0x000000000690A000-memory.dmp

Filesize
1.0MB

Download
memory/1284-80-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1284-75-0x0000000000B00000-0x0000000000B0D000-memory.dmp

Filesize
52KB

Download
memory/1284-76-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1284-77-0x0000000001F10000-0x0000000002213000-memory.dmp

Filesize
3.0MB

Download
memory/1284-78-0x00000000008D0000-0x000000000095F000-memory.dmp

Filesize
572KB

Download
memory/1284-81-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1284-72-0x0000000000000000-mapping.dmp

Download
memory/1808-56-0x0000000000390000-0x0000000000398000-memory.dmp

Filesize
32KB

Download
memory/1808-54-0x00000000013D0000-0x000000000141A000-memory.dmp

Filesize
296KB

Download
memory/1808-55-0x0000000000380000-0x000000000038C000-memory.dmp

Filesize
48KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads