formbook | db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1

General

Target

db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1.exe
Size

266KB
MD5

c1b465d96c0541a5dc8e95a7bfd96e15
SHA1

9971ee23a2b802c3b1a03a3a8df686aab28e263c
SHA256

db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1
SHA512

ce014c7e041626c31c4dd1dcc3bf2de5a735768965dabbc82dd021445b0265d8679d4d859cb803b2ea8a3a6f08be7ae0e70047e0367150ab623b5e91ca16b3aa
SSDEEP

6144:/Ya6uOn/kwfhxmhDcnV6/VMBob43AsvyPggixmLTOG:/YQOMwOWI/VMmbavhmXb

Score

10^/10

formbook xloader poub loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

poub

Decoy

WY0eksfISzRg4O6c+opnGL6gaw==

moRjn9ExtYi8UmUo+Tya

2vME+GedoxzFnuLXesUoVj4=

EvW4JWJ1NQ8nN3tA3SM=

2mK9efMZMgN1VOs=

8d0jua5b0J6AQEW7

/2cyThOd37DSTYMASDye4Q0t/Vs=

ral+tbIh2KKAQEW7

YLY9jsPtYB/FRmMo+Tya

R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=

KFXGg/T1pCC9GjrxUPTcjw==

8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=

c7am8nhhlCo=

UW91trZj6dENxuRdpxOvW1Cf

sjOMUcvq6lYJCZEfV4euFzY=

62nBgPjdmWQkmWElww==

64E8JqA1aruSUvw=

NqI1reXpcR+REye0

8+y1oOsbjgSyEhjXUPTcjw==

Rx9by8gNBwN1VOs=

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/4152-142-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/4152-149-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/3128-155-0x0000000000B20000-0x0000000000B4C000-memory.dmp	xloader
behavioral1/memory/3128-156-0x0000000000B20000-0x0000000000B4C000-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:

raserver.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\_TL0IRVHFLL = "C:\\Program Files (x86)\\Fmjstqb\\usergjo.exe"	raserver.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	raserver.exe

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:

wqtgp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation wqtgp.exe
Executes dropped EXE 2 IoCs

Processes:

wqtgp.exewqtgp.exe

pid process

1652 wqtgp.exe
4152 wqtgp.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	wqtgp.exe

pid	process
1652	wqtgp.exe
4152	wqtgp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

wqtgp.exewqtgp.exeraserver.exe

description	pid	process	target process
PID 1652 set thread context of 4152	1652	wqtgp.exe	wqtgp.exe
PID 4152 set thread context of 3204	4152	wqtgp.exe	Explorer.EXE
PID 3128 set thread context of 3204	3128	raserver.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

raserver.exe

description ioc process

File opened for modification C:\Program Files (x86)\Fmjstqb\usergjo.exe raserver.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Program Files (x86)\Fmjstqb\usergjo.exe	raserver.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

wqtgp.exeraserver.exe

pid	process
4152	wqtgp.exe
4152	wqtgp.exe
4152	wqtgp.exe
4152	wqtgp.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3204 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

wqtgp.exewqtgp.exeraserver.exe

pid process

1652 wqtgp.exe
4152 wqtgp.exe
4152 wqtgp.exe
4152 wqtgp.exe
3128 raserver.exe
3128 raserver.exe
3128 raserver.exe
3128 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wqtgp.exeraserver.exe

description pid process

Token: SeDebugPrivilege 4152 wqtgp.exe
Token: SeDebugPrivilege 3128 raserver.exe

pid	process
3204	Explorer.EXE

pid	process
1652	wqtgp.exe
4152	wqtgp.exe
4152	wqtgp.exe
4152	wqtgp.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe
3128	raserver.exe

description	pid	process
Token: SeDebugPrivilege	4152	wqtgp.exe
Token: SeDebugPrivilege	3128	raserver.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1.exewqtgp.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 3684 wrote to memory of 1652	3684	db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1.exe	wqtgp.exe
PID 3684 wrote to memory of 1652	3684	db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1.exe	wqtgp.exe
PID 3684 wrote to memory of 1652	3684	db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1.exe	wqtgp.exe
PID 1652 wrote to memory of 4152	1652	wqtgp.exe	wqtgp.exe
PID 1652 wrote to memory of 4152	1652	wqtgp.exe	wqtgp.exe
PID 1652 wrote to memory of 4152	1652	wqtgp.exe	wqtgp.exe
PID 1652 wrote to memory of 4152	1652	wqtgp.exe	wqtgp.exe
PID 3204 wrote to memory of 3128	3204	Explorer.EXE	raserver.exe
PID 3204 wrote to memory of 3128	3204	Explorer.EXE	raserver.exe
PID 3204 wrote to memory of 3128	3204	Explorer.EXE	raserver.exe
PID 3128 wrote to memory of 1108	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 1108	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 1108	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 4304	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 4304	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 4304	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 1612	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 1612	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 1612	3128	raserver.exe	cmd.exe
PID 3128 wrote to memory of 3588	3128	raserver.exe	Firefox.exe
PID 3128 wrote to memory of 3588	3128	raserver.exe	Firefox.exe
PID 3128 wrote to memory of 3588	3128	raserver.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3204

C:\Users\Admin\AppData\Local\Temp\db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1.exe
"C:\Users\Admin\AppData\Local\Temp\db70988416dd0d9af06715f9f9c6cf77be3f6bf629cba4bed9be82ea4fbf46c1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3684

C:\Users\Admin\AppData\Local\Temp\wqtgp.exe
"C:\Users\Admin\AppData\Local\Temp\wqtgp.exe" C:\Users\Admin\AppData\Local\Temp\euqgzstcbcz.w
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\wqtgp.exe
"C:\Users\Admin\AppData\Local\Temp\wqtgp.exe"
4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4152

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.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:3128

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\wqtgp.exe"
3⤵
PID:1108

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4304

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1612

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3588

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

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
46KB

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
C:\Users\Admin\AppData\Local\Temp\euqgzstcbcz.w
Filesize
5KB

MD5
ae38879f45b09ef15b1078ce84b1164a

SHA1
448f7f91e4d854ec04dd98ac4b693b9677657e3d

SHA256
6ec80512e0a3eed18b6bbee6f569b9261284243a4d98c09f3bb91ea62919ca65

SHA512
b12db9ad229f1c023d924266a32a8c5b86819eba5df474d5cfc88a54d6afd397e75c15b910122b1a4aee62e3ffa93205e024d9dc79e7a75e05fdddab1f6fb38d

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozhppi.t
Filesize
196KB

MD5
bdb641f1728b7662b50ed99448e056f5

SHA1
449f28991240e498d2be470e9e4e0ecb2b2282f2

SHA256
0f4ce083de4f3b0e2374ea87588324dd09f39623e3db3d7d7d9df44efd6f5a73

SHA512
960443fc680ba30cd5c0ff6616d693ede13432ab471b53f113ccbd17f29cb7ab6281fa8125a437fc53a4e165220273cb633557175bba4a6bc729f9c851b6b0d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\wqtgp.exe
Filesize
85KB

MD5
48e20333b03443680de6f080d9b59018

SHA1
39b254504512bec0a1196de64553a03d043709b0

SHA256
c029bda9aa6a3369e55c1988d0bd382f6c9da481dc33df389f776590d53fb286

SHA512
6cdfbaa42ca596c58a7a245feac969e769830d4cc3aaabac4ba70b24b5043e567b867b38f476d5114b02e74f4c3fe8d6db018fb8a3f1855467210910ffdaf6ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\wqtgp.exe
Filesize
85KB

MD5
48e20333b03443680de6f080d9b59018

SHA1
39b254504512bec0a1196de64553a03d043709b0

SHA256
c029bda9aa6a3369e55c1988d0bd382f6c9da481dc33df389f776590d53fb286

SHA512
6cdfbaa42ca596c58a7a245feac969e769830d4cc3aaabac4ba70b24b5043e567b867b38f476d5114b02e74f4c3fe8d6db018fb8a3f1855467210910ffdaf6ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\wqtgp.exe
Filesize
85KB

MD5
48e20333b03443680de6f080d9b59018

SHA1
39b254504512bec0a1196de64553a03d043709b0

SHA256
c029bda9aa6a3369e55c1988d0bd382f6c9da481dc33df389f776590d53fb286

SHA512
6cdfbaa42ca596c58a7a245feac969e769830d4cc3aaabac4ba70b24b5043e567b867b38f476d5114b02e74f4c3fe8d6db018fb8a3f1855467210910ffdaf6ad

Download Submit
memory/1652-140-0x00000000005F0000-0x00000000005F2000-memory.dmp

Filesize
8KB

Download
memory/3128-156-0x0000000000B20000-0x0000000000B4C000-memory.dmp

Filesize
176KB

Download
memory/3128-150-0x0000000000850000-0x000000000086F000-memory.dmp

Filesize
124KB

Download
memory/3128-153-0x0000000000850000-0x000000000086F000-memory.dmp

Filesize
124KB

Download
memory/3128-154-0x0000000002BF0000-0x0000000002F3A000-memory.dmp

Filesize
3.3MB

Download
memory/3128-155-0x0000000000B20000-0x0000000000B4C000-memory.dmp

Filesize
176KB

Download
memory/3128-158-0x0000000002A20000-0x0000000002AB0000-memory.dmp

Filesize
576KB

Download
memory/3204-160-0x0000000008A50000-0x0000000008B91000-memory.dmp

Filesize
1.3MB

Download
memory/3204-148-0x0000000007780000-0x000000000787D000-memory.dmp

Filesize
1012KB

Download
memory/3204-162-0x0000000008A50000-0x0000000008B91000-memory.dmp

Filesize
1.3MB

Download
memory/3204-159-0x0000000008A50000-0x0000000008B91000-memory.dmp

Filesize
1.3MB

Download
memory/4152-149-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4152-147-0x0000000000AD0000-0x0000000000AE1000-memory.dmp

Filesize
68KB

Download
memory/4152-146-0x0000000000C30000-0x0000000000F7A000-memory.dmp

Filesize
3.3MB

Download
memory/4152-142-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads