formbook | 130a1070851bfc4e41ace49185b630338cd5c108a53e0d46d09a0abb258ece6f

General

Target
ppp.exe
Size 344KB
Sample200713-vrgm2wlqq2
SHA256 130a1070851bfc4e41ace49185b630338cd5c108a53e0d46d09a0abb258ece6f
MD5 93ebc27be6576b8c23bc32d016b115c1
SHA1 940c561255e3807ebb9d5913661e23ea730894c1
SHA512 00354497e6cb708c95c9860f0ffd5e9d4fbde85d874577dff4f56499ec9afb3d5b68f7391bd4371612696b61b5b95306847fa128462dfa2bc1c666dc0e417e92
MD5 SHA1 SHA512

Score

10^/10

evasion trojan spyware stealer formbook persistence

Malware Config

Signatures

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Cuxe\msolg4l2e.exe	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 892 wrote to memory of 1228	892	ppp.exe	26
PID 1304 wrote to memory of 1820	1304	Explorer.EXE	28
PID 1304 wrote to memory of 1820	1304	Explorer.EXE	28
PID 1304 wrote to memory of 1820	1304	Explorer.EXE	28
PID 1304 wrote to memory of 1820	1304	Explorer.EXE	28
PID 1820 wrote to memory of 1784	1820	cmd.exe	29
PID 1820 wrote to memory of 1784	1820	cmd.exe	29
PID 1820 wrote to memory of 1784	1820	cmd.exe	29
PID 1820 wrote to memory of 1784	1820	cmd.exe	29
PID 1820 wrote to memory of 1640	1820	cmd.exe	32
PID 1820 wrote to memory of 1640	1820	cmd.exe	32
PID 1820 wrote to memory of 1640	1820	cmd.exe	32
PID 1820 wrote to memory of 1640	1820	cmd.exe	32
PID 1820 wrote to memory of 1640	1820	cmd.exe	32

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 892 set thread context of 1228	892	ppp.exe	26
PID 1228 set thread context of 1304	1228	RegSvcs.exe	20
PID 1820 set thread context of 1304	1820	cmd.exe	20

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1228	RegSvcs.exe
1228	RegSvcs.exe
1228	RegSvcs.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Adds Run entry to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MRB00RG8NZ = "C:\\Program Files (x86)\\Cuxe\\msolg4l2e.exe"	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-910373003-3952921535-3480519689-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1228	RegSvcs.exe
1228	RegSvcs.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe
1820	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1228	RegSvcs.exe
Token: SeDebugPrivilege	1820	cmd.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
- Checks whether UAC is enabled
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1304
- C:\Users\Admin\AppData\Local\Temp\ppp.exe
  "C:\Users\Admin\AppData\Local\Temp\ppp.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  PID:892
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1228
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1828
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Adds Run entry to start application
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1820
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1784
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1228-2-0x0000000000400000-0x000000000042D000-memory.dmp

Download

memory/1640-13-0x000000013F210000-0x000000013F2A3000-memory.dmp

Download

memory/1820-5-0x000000004ACD0000-0x000000004AD1C000-memory.dmp

Download

memory/1820-11-0x00000000037E0000-0x00000000038C4000-memory.dmp

Download

memory/1820-10-0x0000000076A10000-0x0000000076B6C000-memory.dmp

Download

memory/1820-9-0x0000000074E20000-0x0000000074F3D000-memory.dmp

Download

memory/1820-8-0x0000000076890000-0x000000007689C000-memory.dmp

Download

memory/1820-7-0x0000000001F00000-0x0000000001FF8000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads