formbook | 0edc17effc79112df8aadfd138cc3db51ecb97c7ed54668f1b17a216f45eb5ab

General

Target
Quotation Request_20202605_20202605_20202605PDF.exe
Size 799KB
Sample200710-beggmapc2a
SHA256 0edc17effc79112df8aadfd138cc3db51ecb97c7ed54668f1b17a216f45eb5ab
MD5 3559e364b7c596a65354dd0f1b5934b3
SHA1 781a43a293408d96f536446e959775f87810f416
SHA512 4cc77768265efd83b95abbf98bb2e654a21e62c8b5f36bdf18ce7995f7994cd737a77157dbbe03abe9eff45f353be0b6631052b3032cecf37d60ed36006ff747
MD5 SHA1 SHA512

Score

10^/10

persistence spyware evasion trojan stealer formbook

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
596	Quotation Request_20202605_20202605_20202605PDF.exe
596	Quotation Request_20202605_20202605_20202605PDF.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	596	Quotation Request_20202605_20202605_20202605PDF.exe
Token: SeDebugPrivilege	1528	wuapp.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 856 wrote to memory of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 856 wrote to memory of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 856 wrote to memory of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 856 wrote to memory of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 856 wrote to memory of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 856 wrote to memory of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 856 wrote to memory of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 1296 wrote to memory of 1528	1296	Explorer.EXE	28
PID 1296 wrote to memory of 1528	1296	Explorer.EXE	28
PID 1296 wrote to memory of 1528	1296	Explorer.EXE	28
PID 1296 wrote to memory of 1528	1296	Explorer.EXE	28
PID 1296 wrote to memory of 1528	1296	Explorer.EXE	28
PID 1296 wrote to memory of 1528	1296	Explorer.EXE	28
PID 1296 wrote to memory of 1528	1296	Explorer.EXE	28
PID 1528 wrote to memory of 1848	1528	wuapp.exe	29
PID 1528 wrote to memory of 1848	1528	wuapp.exe	29
PID 1528 wrote to memory of 1848	1528	wuapp.exe	29
PID 1528 wrote to memory of 1848	1528	wuapp.exe	29
PID 1528 wrote to memory of 1912	1528	wuapp.exe	32
PID 1528 wrote to memory of 1912	1528	wuapp.exe	32
PID 1528 wrote to memory of 1912	1528	wuapp.exe	32
PID 1528 wrote to memory of 1912	1528	wuapp.exe	32
PID 1528 wrote to memory of 1912	1528	wuapp.exe	32

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

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	wuapp.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 856 set thread context of 596	856	Quotation Request_20202605_20202605_20202605PDF.exe	24
PID 596 set thread context of 1296	596	Quotation Request_20202605_20202605_20202605PDF.exe	20
PID 1528 set thread context of 1296	1528	wuapp.exe	20

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
596	Quotation Request_20202605_20202605_20202605PDF.exe
596	Quotation Request_20202605_20202605_20202605PDF.exe
596	Quotation Request_20202605_20202605_20202605PDF.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.exe
1528	wuapp.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	wuapp.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Dnnupd\igfxedg4.exe	wuapp.exe

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

Deletes itself 1 IoCs

pid	Process
1848	cmd.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE
1296	Explorer.EXE

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wuapp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\9RCPJLEXG = "C:\\Program Files (x86)\\Dnnupd\\igfxedg4.exe"	wuapp.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:1296
- C:\Users\Admin\AppData\Local\Temp\Quotation Request_20202605_20202605_20202605PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation Request_20202605_20202605_20202605PDF.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  PID:856
- - C:\Users\Admin\AppData\Local\Temp\Quotation Request_20202605_20202605_20202605PDF.exe
    "{path}"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    PID:596
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1532
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Modifies Internet Explorer settings
  - Drops file in Program Files directory
  - Adds Run entry to policy start application
  PID:1528
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Quotation Request_20202605_20202605_20202605PDF.exe"
    3⤵
    - Deletes itself
    PID:1848
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

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/596-0-0x0000000000400000-0x000000000042D000-memory.dmp

Download

memory/1528-6-0x0000000075C30000-0x0000000075C3C000-memory.dmp

Download

memory/1528-7-0x0000000077120000-0x000000007723D000-memory.dmp

Download

memory/1528-13-0x00000000032F0000-0x00000000033CB000-memory.dmp

Download

memory/1528-5-0x0000000002F80000-0x00000000030EC000-memory.dmp

Download

memory/1528-3-0x00000000009C0000-0x00000000009CB000-memory.dmp

Download

memory/1912-15-0x000000013FC40000-0x000000013FCD3000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads