formbook | 047ff786f8bdd92bcf070f006d07ee6ca9bf63bd08213ec6b8807486c8b3f016

General

Target

SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]
Size

249KB
MD5

eec0d052347c5d97f55d50a91c3a6c2d
SHA1

5baee3e1e2c3236eaa382a46f7919194626b4604
SHA256

047ff786f8bdd92bcf070f006d07ee6ca9bf63bd08213ec6b8807486c8b3f016
SHA512

ab0b23f28c548ffbdb456d4c8a4ad06725a371f1108d27a506c9fbd6ccde38916ecc0b2fc18099e6a3a5b657700b88caa90992a76bf995e16ed2f750fc5e84ba

Score

10^/10

trojan spyware stealer formbook persistence

Malware Config

Signatures

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

RegSvcs.execmmon32.exe

pid process

1360 RegSvcs.exe
1360 RegSvcs.exe
1360 RegSvcs.exe
1360 RegSvcs.exe
1828 cmmon32.exe
1828 cmmon32.exe
1828 cmmon32.exe
1828 cmmon32.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

cmmon32.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer cmmon32.exe

pid	process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

RegSvcs.execmmon32.exe

pid	process
1360	RegSvcs.exe
1360	RegSvcs.exe
1360	RegSvcs.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe
1828	cmmon32.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]RegSvcs.execmmon32.exe

description	pid	process	target process
PID 1296 set thread context of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1360 set thread context of 1304	1360	RegSvcs.exe	Explorer.EXE
PID 1360 set thread context of 1304	1360	RegSvcs.exe	Explorer.EXE
PID 1828 set thread context of 1304	1828	cmmon32.exe	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1360 RegSvcs.exe
Token: SeDebugPrivilege 1828 cmmon32.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
1304 Explorer.EXE
Drops file in Program Files directory 1 IoCs

Processes:

cmmon32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Gelu\regsvcerdd.exe cmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1360	RegSvcs.exe
Token: SeDebugPrivilege	1828	cmmon32.exe

pid	process
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE
1304	Explorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Gelu\regsvcerdd.exe	cmmon32.exe

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmmon32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DR4XDXNH = "C:\\Program Files (x86)\\Gelu\\regsvcerdd.exe"	cmmon32.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-1-5-21-910373003-3952921535-3480519689-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.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

Processes:

SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]Explorer.EXEcmmon32.exe

description	pid	process	target process
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1296 wrote to memory of 1360	1296	SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]	RegSvcs.exe
PID 1304 wrote to memory of 1828	1304	Explorer.EXE	cmmon32.exe
PID 1304 wrote to memory of 1828	1304	Explorer.EXE	cmmon32.exe
PID 1304 wrote to memory of 1828	1304	Explorer.EXE	cmmon32.exe
PID 1304 wrote to memory of 1828	1304	Explorer.EXE	cmmon32.exe
PID 1828 wrote to memory of 1788	1828	cmmon32.exe	cmd.exe
PID 1828 wrote to memory of 1788	1828	cmmon32.exe	cmd.exe
PID 1828 wrote to memory of 1788	1828	cmmon32.exe	cmd.exe
PID 1828 wrote to memory of 1788	1828	cmmon32.exe	cmd.exe
PID 1828 wrote to memory of 1648	1828	cmmon32.exe	Firefox.exe
PID 1828 wrote to memory of 1648	1828	cmmon32.exe	Firefox.exe
PID 1828 wrote to memory of 1648	1828	cmmon32.exe	Firefox.exe
PID 1828 wrote to memory of 1648	1828	cmmon32.exe	Firefox.exe
PID 1828 wrote to memory of 1648	1828	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:1304

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Gen.NN.ZemsilF.34132.pm0@[email protected]"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:1360

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- System policy modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Drops file in Program Files directory
- Adds Run entry to policy start application
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1788

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1648

Network

MITRE ATT&CK Matrix ATT&CK 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

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\63O29D0C\63Ologim.jpeg

Download Submit
C:\Users\Admin\AppData\Roaming\63O29D0C\63Ologrf.ini

Download Submit
C:\Users\Admin\AppData\Roaming\63O29D0C\63Ologri.ini

Download Submit
C:\Users\Admin\AppData\Roaming\63O29D0C\63Ologrv.ini

Download Submit
memory/1296-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1304-4-0x0000000006EA0000-0x0000000007019000-memory.dmp

Filesize
1.5MB

Download
memory/1360-2-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1360-3-0x000000000041E2D0-mapping.dmp

Download
memory/1648-18-0x0000000000000000-mapping.dmp

Download
memory/1648-19-0x000000013FCC0000-0x000000013FD53000-memory.dmp

Filesize
588KB

Download
memory/1788-7-0x0000000000000000-mapping.dmp

Download
memory/1828-5-0x0000000000000000-mapping.dmp

Download
memory/1828-17-0x0000000003AF0000-0x0000000003BF2000-memory.dmp

Filesize
1.0MB

Download
memory/1828-11-0x0000000076A10000-0x0000000076B6C000-memory.dmp

Filesize
1.4MB

Download
memory/1828-10-0x0000000074E20000-0x0000000074F3D000-memory.dmp

Filesize
1.1MB

Download
memory/1828-9-0x0000000076890000-0x000000007689C000-memory.dmp

Filesize
48KB

Download
memory/1828-8-0x0000000000980000-0x0000000000A48000-memory.dmp

Filesize
800KB

Download
memory/1828-6-0x0000000000AB0000-0x0000000000ABD000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads