formbook | 1aa5d2b240599fdc78430c4aeba03305fccad15b7ca038dbf056d8dd67865892

General

Target

TPJX2QwEdXs5sTV.exe
Size

655KB
MD5

ce556ce97ea23cbc2940f2aad45d468f
SHA1

cc2bdaefa2f0ac108e2f456e42a42e8258580cf4
SHA256

7c3d5ebd2c417a52b2a0b98dee95b5a7f283816f6a2453ceeffd31becc140882
SHA512

82d4d71aeb5118d600394c64eb127ca4a87d7b83702feb4f9c5b0a0d98a597f812ebfd16784cbde54b9f4b1c87d3c7eaf57fb1c86b9720df95419887fc13f77b

Score

10^/10

formbook xloader t75f loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

t75f

C2

http://www.438451.com/t75f/

Decoy

ice-lemon.pro

ar3spro.cloud

9055837.com

fucksociety.net

prettyofficialx.com

mfxw.xyz

relationshipquiz.info

customia.xyz

juanayjuan.com

zidiankj.com

facture-booking.com

secondmining.store

aboutyou.club

gongxichen.com

laurabraincreative.com

pierrot-bros.com

saintpaulaccountingservices.com

dom-maya.com

garderobamarzen.net

la-salamandre-assurances.com

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/500-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/500-125-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/4040-133-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Adds policy 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\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	colorcpl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ZD5PLNDXGV = "C:\\Program Files (x86)\\Olhix2ppp\\bpxlvxdufw.exe"	colorcpl.exe

Executes dropped EXE 1 IoCs

Processes:

bpxlvxdufw.exe

pid process

3912 bpxlvxdufw.exe

pid	process
3912	bpxlvxdufw.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

TPJX2QwEdXs5sTV.exeRegSvcs.execolorcpl.exe

description	pid	process	target process
PID 900 set thread context of 500	900	TPJX2QwEdXs5sTV.exe	RegSvcs.exe
PID 500 set thread context of 8	500	RegSvcs.exe	Explorer.EXE
PID 500 set thread context of 8	500	RegSvcs.exe	Explorer.EXE
PID 4040 set thread context of 8	4040	colorcpl.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

colorcpl.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Olhix2ppp\bpxlvxdufw.exe	colorcpl.exe
File opened for modification	C:\Program Files (x86)\Olhix2ppp	Explorer.EXE
File created	C:\Program Files (x86)\Olhix2ppp\bpxlvxdufw.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Olhix2ppp\bpxlvxdufw.exe	Explorer.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-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

TPJX2QwEdXs5sTV.exeRegSvcs.execolorcpl.exe

pid	process
900	TPJX2QwEdXs5sTV.exe
900	TPJX2QwEdXs5sTV.exe
500	RegSvcs.exe
500	RegSvcs.exe
500	RegSvcs.exe
500	RegSvcs.exe
500	RegSvcs.exe
500	RegSvcs.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

8 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

RegSvcs.execolorcpl.exe

pid process

500 RegSvcs.exe
500 RegSvcs.exe
500 RegSvcs.exe
500 RegSvcs.exe
4040 colorcpl.exe
4040 colorcpl.exe
4040 colorcpl.exe
4040 colorcpl.exe

pid	process
8	Explorer.EXE

pid	process
500	RegSvcs.exe
500	RegSvcs.exe
500	RegSvcs.exe
500	RegSvcs.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe
4040	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

TPJX2QwEdXs5sTV.exeRegSvcs.execolorcpl.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	900	TPJX2QwEdXs5sTV.exe
Token: SeDebugPrivilege	500	RegSvcs.exe
Token: SeDebugPrivilege	4040	colorcpl.exe
Token: SeShutdownPrivilege	8	Explorer.EXE
Token: SeCreatePagefilePrivilege	8	Explorer.EXE
Token: SeShutdownPrivilege	8	Explorer.EXE
Token: SeCreatePagefilePrivilege	8	Explorer.EXE
Token: SeShutdownPrivilege	8	Explorer.EXE
Token: SeCreatePagefilePrivilege	8	Explorer.EXE
Token: SeShutdownPrivilege	8	Explorer.EXE
Token: SeCreatePagefilePrivilege	8	Explorer.EXE
Token: SeShutdownPrivilege	8	Explorer.EXE
Token: SeCreatePagefilePrivilege	8	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

8 Explorer.EXE

pid	process
8	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

TPJX2QwEdXs5sTV.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 900 wrote to memory of 500	900	TPJX2QwEdXs5sTV.exe	RegSvcs.exe
PID 900 wrote to memory of 500	900	TPJX2QwEdXs5sTV.exe	RegSvcs.exe
PID 900 wrote to memory of 500	900	TPJX2QwEdXs5sTV.exe	RegSvcs.exe
PID 900 wrote to memory of 500	900	TPJX2QwEdXs5sTV.exe	RegSvcs.exe
PID 900 wrote to memory of 500	900	TPJX2QwEdXs5sTV.exe	RegSvcs.exe
PID 900 wrote to memory of 500	900	TPJX2QwEdXs5sTV.exe	RegSvcs.exe
PID 8 wrote to memory of 4040	8	Explorer.EXE	colorcpl.exe
PID 8 wrote to memory of 4040	8	Explorer.EXE	colorcpl.exe
PID 8 wrote to memory of 4040	8	Explorer.EXE	colorcpl.exe
PID 4040 wrote to memory of 4056	4040	colorcpl.exe	cmd.exe
PID 4040 wrote to memory of 4056	4040	colorcpl.exe	cmd.exe
PID 4040 wrote to memory of 4056	4040	colorcpl.exe	cmd.exe
PID 4040 wrote to memory of 2156	4040	colorcpl.exe	Firefox.exe
PID 4040 wrote to memory of 2156	4040	colorcpl.exe	Firefox.exe
PID 8 wrote to memory of 3912	8	Explorer.EXE	bpxlvxdufw.exe
PID 8 wrote to memory of 3912	8	Explorer.EXE	bpxlvxdufw.exe
PID 8 wrote to memory of 3912	8	Explorer.EXE	bpxlvxdufw.exe
PID 4040 wrote to memory of 2156	4040	colorcpl.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:8

C:\Users\Admin\AppData\Local\Temp\TPJX2QwEdXs5sTV.exe
"C:\Users\Admin\AppData\Local\Temp\TPJX2QwEdXs5sTV.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:900

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:500

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Adds policy 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:4040

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4056

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2156

C:\Program Files (x86)\Olhix2ppp\bpxlvxdufw.exe
"C:\Program Files (x86)\Olhix2ppp\bpxlvxdufw.exe"
2⤵
- Executes dropped EXE
PID:3912

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Olhix2ppp\bpxlvxdufw.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Program Files (x86)\Olhix2ppp\bpxlvxdufw.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/8-128-0x0000000005FB0000-0x000000000609E000-memory.dmp

Filesize
952KB

Download
memory/8-137-0x0000000008440000-0x00000000085B1000-memory.dmp

Filesize
1.4MB

Download
memory/8-130-0x0000000006350000-0x0000000006493000-memory.dmp

Filesize
1.3MB

Download
memory/500-129-0x0000000003030000-0x0000000003041000-memory.dmp

Filesize
68KB

Download
memory/500-125-0x000000000041D410-mapping.dmp

Download
memory/500-126-0x0000000001310000-0x0000000001630000-memory.dmp

Filesize
3.1MB

Download
memory/500-127-0x00000000012D0000-0x00000000012E1000-memory.dmp

Filesize
68KB

Download
memory/500-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/900-119-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download
memory/900-123-0x000000000B940000-0x000000000B96B000-memory.dmp

Filesize
172KB

Download
memory/900-122-0x00000000076D0000-0x0000000007731000-memory.dmp

Filesize
388KB

Download
memory/900-120-0x0000000005E00000-0x0000000005E07000-memory.dmp

Filesize
28KB

Download
memory/900-121-0x0000000008FB0000-0x0000000008FB1000-memory.dmp

Filesize
4KB

Download
memory/900-118-0x0000000005920000-0x0000000005E1E000-memory.dmp

Filesize
5.0MB

Download
memory/900-117-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/900-114-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/900-116-0x0000000005E20000-0x0000000005E21000-memory.dmp

Filesize
4KB

Download
memory/2156-145-0x00007FF7921D0000-0x00007FF792263000-memory.dmp

Filesize
588KB

Download
memory/2156-146-0x00000154EB570000-0x00000154EB697000-memory.dmp

Filesize
1.2MB

Download
memory/2156-144-0x0000000000000000-mapping.dmp

Download
memory/3912-138-0x0000000000000000-mapping.dmp

Download
memory/3912-141-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/3912-142-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/3912-143-0x0000000003010000-0x0000000003011000-memory.dmp

Filesize
4KB

Download
memory/4040-136-0x0000000000DB0000-0x0000000000E40000-memory.dmp

Filesize
576KB

Download
memory/4040-135-0x0000000000F60000-0x0000000001280000-memory.dmp

Filesize
3.1MB

Download
memory/4040-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-132-0x00000000012F0000-0x0000000001309000-memory.dmp

Filesize
100KB

Download
memory/4040-131-0x0000000000000000-mapping.dmp

Download
memory/4056-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads