formbook | 7fd0e394a9d74592a74d04b3dccf2dcf8457d0e894cadadbf999c327e9b3940e

General

Target

tmp.exe
Size

632KB
MD5

cb38d8143b2216edab036acee36f25b4
SHA1

1401d9123df44612f599865e9b2df8941779c687
SHA256

7fd0e394a9d74592a74d04b3dccf2dcf8457d0e894cadadbf999c327e9b3940e
SHA512

15315313dc0cc805771c7a3ccdf20851e39279a001272cdf71e1078fd7b907d83ffa6fc6292e83743963849ea1b2433036e746c8377edf8f6c9dcb2f76e2f010

Score

10^/10

formbook xloader loader persistence rat spyware stealer suricata trojan

Malware Config

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4412-137-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4412-143-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/2264-146-0x0000000000C50000-0x0000000000C7C000-memory.dmp	xloader
behavioral2/memory/2264-150-0x0000000000C50000-0x0000000000C7C000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation tmp.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	tmp.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GNQLS6HX4X = "C:\\Program Files (x86)\\Fshwp\\igfxzh88.exe"	colorcpl.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.execolorcpl.exe

description	pid	process	target process
PID 1640 set thread context of 4412	1640	tmp.exe	tmp.exe
PID 4412 set thread context of 3064	4412	tmp.exe	Explorer.EXE
PID 2264 set thread context of 3064	2264	colorcpl.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

colorcpl.exe

description ioc process

File opened for modification C:\Program Files (x86)\Fshwp\igfxzh88.exe colorcpl.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Fshwp\igfxzh88.exe	colorcpl.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

colorcpl.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

tmp.execolorcpl.exe

pid	process
4412	tmp.exe
4412	tmp.exe
4412	tmp.exe
4412	tmp.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe
2264	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

tmp.execolorcpl.exe

pid process

4412 tmp.exe
4412 tmp.exe
4412 tmp.exe
2264 colorcpl.exe
2264 colorcpl.exe
2264 colorcpl.exe
2264 colorcpl.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.execolorcpl.exe

description pid process

Token: SeDebugPrivilege 4412 tmp.exe
Token: SeDebugPrivilege 2264 colorcpl.exe

pid	process
3064	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4412	tmp.exe
Token: SeDebugPrivilege	2264	colorcpl.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

tmp.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 1640 wrote to memory of 4412	1640	tmp.exe	tmp.exe
PID 1640 wrote to memory of 4412	1640	tmp.exe	tmp.exe
PID 1640 wrote to memory of 4412	1640	tmp.exe	tmp.exe
PID 1640 wrote to memory of 4412	1640	tmp.exe	tmp.exe
PID 1640 wrote to memory of 4412	1640	tmp.exe	tmp.exe
PID 1640 wrote to memory of 4412	1640	tmp.exe	tmp.exe
PID 3064 wrote to memory of 2264	3064	Explorer.EXE	colorcpl.exe
PID 3064 wrote to memory of 2264	3064	Explorer.EXE	colorcpl.exe
PID 3064 wrote to memory of 2264	3064	Explorer.EXE	colorcpl.exe
PID 2264 wrote to memory of 4916	2264	colorcpl.exe	cmd.exe
PID 2264 wrote to memory of 4916	2264	colorcpl.exe	cmd.exe
PID 2264 wrote to memory of 4916	2264	colorcpl.exe	cmd.exe
PID 2264 wrote to memory of 1956	2264	colorcpl.exe	Firefox.exe
PID 2264 wrote to memory of 1956	2264	colorcpl.exe	Firefox.exe
PID 2264 wrote to memory of 1956	2264	colorcpl.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3064

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4412

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:4916

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1956

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

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1640-130-0x0000000000E50000-0x0000000000EF4000-memory.dmp

Filesize
656KB

Download
memory/1640-131-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/1640-132-0x00000000058A0000-0x0000000005932000-memory.dmp

Filesize
584KB

Download
memory/1640-133-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/1640-134-0x0000000009960000-0x00000000099FC000-memory.dmp

Filesize
624KB

Download
memory/1640-135-0x0000000009A70000-0x0000000009AD6000-memory.dmp

Filesize
408KB

Download
memory/2264-147-0x0000000002B90000-0x0000000002EDA000-memory.dmp

Filesize
3.3MB

Download
memory/2264-145-0x0000000000210000-0x0000000000229000-memory.dmp

Filesize
100KB

Download
memory/2264-150-0x0000000000C50000-0x0000000000C7C000-memory.dmp

Filesize
176KB

Download
memory/2264-148-0x0000000002A20000-0x0000000002AB0000-memory.dmp

Filesize
576KB

Download
memory/2264-146-0x0000000000C50000-0x0000000000C7C000-memory.dmp

Filesize
176KB

Download
memory/2264-142-0x0000000000000000-mapping.dmp

Download
memory/3064-141-0x00000000082B0000-0x000000000844F000-memory.dmp

Filesize
1.6MB

Download
memory/3064-149-0x0000000003400000-0x00000000034A3000-memory.dmp

Filesize
652KB

Download
memory/3064-151-0x0000000003400000-0x00000000034A3000-memory.dmp

Filesize
652KB

Download
memory/4412-143-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4412-136-0x0000000000000000-mapping.dmp

Download
memory/4412-137-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4412-140-0x0000000001460000-0x0000000001471000-memory.dmp

Filesize
68KB

Download
memory/4412-138-0x0000000000F50000-0x000000000129A000-memory.dmp

Filesize
3.3MB

Download
memory/4916-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads