formbook | 1546e632cb3cd6abb0497a1e941d7c1afefd3d1bc7582b63f49d948241406b80

General

Target

SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe
Size

328KB
MD5

59ec68c614cbd08f061b98ee2f7558b6
SHA1

518e36c73b44331e89a74c651ddf64e9ad79ee10
SHA256

1546e632cb3cd6abb0497a1e941d7c1afefd3d1bc7582b63f49d948241406b80
SHA512

9e7efd81d2cd1ffcc35d76f33b24f96ebfe459f9768ff29fce9d56877471dff8ef1dfe469b3ff045eb913cebc30a8b44d0c3cbe1b46f6fc7e7eaa5c853eea99b
SSDEEP

6144:ptxBKhzEHZ6pqRMVr5PdD1IQnAPJrueL9KEzbIgsfd+O2hht9lKSYS:ptLKhIZ60+VrVR/UJrueL9PbcV8jt9lH

Score

10^/10

formbook 4u5a rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

4u5a

Decoy

Y9HWoINcPu0r7SSSKt4FCmk7

G/E64auYdhRQM4wZW2bcOaY=

bL57APty/StRpW49a+EdxA==

TppryJ0SoslHe8gJFVc=

HXxDShYIEcUJDahdv2nvl5Hlbp4=

EKaq5c6w0nV3WWlEqM4Www==

VM+YjE8XS1OLcH1roYF4zA==

OwK0wxmBGnq2Fg==

B1zy4bulyfY9tj9DK2eIkeYArpTt

Avj5JeA8m9girqfQ4+cZxA==

AOY4dmDFkCdX8HUJMw==

5cQUw3pPMYr07V8=

P7ZsN4/zt63AEw==

FYyVCOpB8Vl//kSkDLPo91Yy

jxwZTBp+5gcsccPxDF+K4bDG2Rpp0A==

iGx9AO58DRhZbXX9

prwVyLkAtlhSU6irmansg8wArpTt

uqa8ZPl+FFObOkdFNg==

tL4OhF22EDaEOkdFNg==

6exH76Z9o7eu/n86vgPE

Signatures

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

Processes:

wininit.exe

pid process

1500 wininit.exe

pid	process
1500	wininit.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exeRegSvcs.exewininit.exe

description	pid	process	target process
PID 1992 set thread context of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 2024 set thread context of 1192	2024	RegSvcs.exe	Explorer.EXE
PID 1500 set thread context of 1192	1500	wininit.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wininit.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wininit.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

RegSvcs.exewininit.exe

pid	process
2024	RegSvcs.exe
2024	RegSvcs.exe
2024	RegSvcs.exe
2024	RegSvcs.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe
1500	wininit.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exewininit.exe

pid process

2024 RegSvcs.exe
2024 RegSvcs.exe
2024 RegSvcs.exe
1500 wininit.exe
1500 wininit.exe
1500 wininit.exe
1500 wininit.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exeRegSvcs.exewininit.exe

description	pid	process
Token: SeDebugPrivilege	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe
Token: SeDebugPrivilege	2024	RegSvcs.exe
Token: SeDebugPrivilege	1500	wininit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE
1192 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE
1192 Explorer.EXE

pid	process
1192	Explorer.EXE
1192	Explorer.EXE

pid	process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1992 wrote to memory of 2024	1992	SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe	RegSvcs.exe
PID 1192 wrote to memory of 1500	1192	Explorer.EXE	wininit.exe
PID 1192 wrote to memory of 1500	1192	Explorer.EXE	wininit.exe
PID 1192 wrote to memory of 1500	1192	Explorer.EXE	wininit.exe
PID 1192 wrote to memory of 1500	1192	Explorer.EXE	wininit.exe
PID 1500 wrote to memory of 584	1500	wininit.exe	Firefox.exe
PID 1500 wrote to memory of 584	1500	wininit.exe	Firefox.exe
PID 1500 wrote to memory of 584	1500	wininit.exe	Firefox.exe
PID 1500 wrote to memory of 584	1500	wininit.exe	Firefox.exe
PID 1500 wrote to memory of 584	1500	wininit.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:1192

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.TrojanX-gen.9468.18275.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

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:2024

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:604

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.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:1500

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:584

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
902KB

MD5
50338cc1fa2582fa0cad8a8fa7ceb4d2

SHA1
ae697ef05b6bec38fb79ff4512ae50a303dcdbce

SHA256
0815a80fa73286d8c6bf0982471c61833821d9f10a20612deaa134562e7a3cda

SHA512
02a006e26b1d08cb53a4b3dab23ce6a6756a7275f8b3ef00b7412f10cff75411685a3542c5dc330dad7c9f7ff26288a2e94254d00bf53c1394e7252e000c9a61

Download Submit
memory/1192-76-0x00000000040F0000-0x00000000041AB000-memory.dmp

Filesize
748KB

Download
memory/1192-74-0x00000000040F0000-0x00000000041AB000-memory.dmp

Filesize
748KB

Download
memory/1192-68-0x0000000004BE0000-0x0000000004D0E000-memory.dmp

Filesize
1.2MB

Download
memory/1500-77-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download
memory/1500-70-0x0000000000410000-0x000000000042A000-memory.dmp

Filesize
104KB

Download
memory/1500-75-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1500-73-0x0000000001C20000-0x0000000001CAF000-memory.dmp

Filesize
572KB

Download
memory/1500-72-0x0000000001EF0000-0x00000000021F3000-memory.dmp

Filesize
3.0MB

Download
memory/1500-71-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1500-69-0x0000000000000000-mapping.dmp

Download
memory/1992-56-0x0000000000390000-0x00000000003AC000-memory.dmp

Filesize
112KB

Download
memory/1992-55-0x0000000000950000-0x0000000000998000-memory.dmp

Filesize
288KB

Download
memory/1992-54-0x00000000008F0000-0x000000000094A000-memory.dmp

Filesize
360KB

Download
memory/2024-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2024-67-0x0000000000190000-0x00000000001A0000-memory.dmp

Filesize
64KB

Download
memory/2024-66-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2024-65-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/2024-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2024-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2024-61-0x00000000004012B0-mapping.dmp

Download
memory/2024-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2024-57-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads