formbook | 769a104eb70d58e33f4d6ba232e5c179db1618604e62b31ceebdaf1dcae47b40

General

Target

QUOTATION '.exe
Size

885KB
MD5

2fdc9cdf35cbdd01b4f61eaa4d8d38a6
SHA1

a59e65c3ecc0c3f586bece4db3a085734c3e4da5
SHA256

c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041
SHA512

122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Score

10^/10

formbook xloader c2ue loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3008-127-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3008-128-0x000000000041D3A0-mapping.dmp	xloader
behavioral2/memory/3108-136-0x0000000000DA0000-0x0000000000DC9000-memory.dmp	xloader
behavioral2/memory/1688-163-0x000000000041D3A0-mapping.dmp	xloader

Executes dropped EXE 3 IoCs

Processes:

rzphtx4hb62.exerzphtx4hb62.exerzphtx4hb62.exe

pid process

3836 rzphtx4hb62.exe
2640 rzphtx4hb62.exe
1688 rzphtx4hb62.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

pid	process
3836	rzphtx4hb62.exe
2640	rzphtx4hb62.exe
1688	rzphtx4hb62.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GZ7PFNNHQZ = "C:\\Program Files (x86)\\Fbdf\\rzphtx4hb62.exe"	wscript.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

QUOTATION '.exeQUOTATION '.exewscript.exerzphtx4hb62.exe

description	pid	process	target process
PID 1588 set thread context of 3008	1588	QUOTATION '.exe	QUOTATION '.exe
PID 3008 set thread context of 3000	3008	QUOTATION '.exe	Explorer.EXE
PID 3008 set thread context of 3000	3008	QUOTATION '.exe	Explorer.EXE
PID 3108 set thread context of 3000	3108	wscript.exe	Explorer.EXE
PID 3836 set thread context of 1688	3836	rzphtx4hb62.exe	rzphtx4hb62.exe

Drops file in Program Files directory 4 IoCs

Processes:

wscript.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe	wscript.exe
File opened for modification	C:\Program Files (x86)\Fbdf	Explorer.EXE
File created	C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2481030822-2828258191-1606198294-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

QUOTATION '.exewscript.exe

pid	process
3008	QUOTATION '.exe
3008	QUOTATION '.exe
3008	QUOTATION '.exe
3008	QUOTATION '.exe
3008	QUOTATION '.exe
3008	QUOTATION '.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe
3108	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3000 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

QUOTATION '.exewscript.exe

pid process

3008 QUOTATION '.exe
3008 QUOTATION '.exe
3008 QUOTATION '.exe
3008 QUOTATION '.exe
3108 wscript.exe
3108 wscript.exe
3108 wscript.exe
3108 wscript.exe

pid	process
3000	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

QUOTATION '.exewscript.exeExplorer.EXErzphtx4hb62.exerzphtx4hb62.exe

description	pid	process
Token: SeDebugPrivilege	3008	QUOTATION '.exe
Token: SeDebugPrivilege	3108	wscript.exe
Token: SeShutdownPrivilege	3000	Explorer.EXE
Token: SeCreatePagefilePrivilege	3000	Explorer.EXE
Token: SeDebugPrivilege	3836	rzphtx4hb62.exe
Token: SeShutdownPrivilege	3000	Explorer.EXE
Token: SeCreatePagefilePrivilege	3000	Explorer.EXE
Token: SeShutdownPrivilege	3000	Explorer.EXE
Token: SeCreatePagefilePrivilege	3000	Explorer.EXE
Token: SeDebugPrivilege	1688	rzphtx4hb62.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

QUOTATION '.exeExplorer.EXEwscript.exerzphtx4hb62.exe

description	pid	process	target process
PID 1588 wrote to memory of 3008	1588	QUOTATION '.exe	QUOTATION '.exe
PID 1588 wrote to memory of 3008	1588	QUOTATION '.exe	QUOTATION '.exe
PID 1588 wrote to memory of 3008	1588	QUOTATION '.exe	QUOTATION '.exe
PID 1588 wrote to memory of 3008	1588	QUOTATION '.exe	QUOTATION '.exe
PID 1588 wrote to memory of 3008	1588	QUOTATION '.exe	QUOTATION '.exe
PID 1588 wrote to memory of 3008	1588	QUOTATION '.exe	QUOTATION '.exe
PID 3000 wrote to memory of 3108	3000	Explorer.EXE	wscript.exe
PID 3000 wrote to memory of 3108	3000	Explorer.EXE	wscript.exe
PID 3000 wrote to memory of 3108	3000	Explorer.EXE	wscript.exe
PID 3108 wrote to memory of 988	3108	wscript.exe	cmd.exe
PID 3108 wrote to memory of 988	3108	wscript.exe	cmd.exe
PID 3108 wrote to memory of 988	3108	wscript.exe	cmd.exe
PID 3108 wrote to memory of 580	3108	wscript.exe	cmd.exe
PID 3108 wrote to memory of 580	3108	wscript.exe	cmd.exe
PID 3108 wrote to memory of 580	3108	wscript.exe	cmd.exe
PID 3108 wrote to memory of 1788	3108	wscript.exe	Firefox.exe
PID 3108 wrote to memory of 1788	3108	wscript.exe	Firefox.exe
PID 3000 wrote to memory of 3836	3000	Explorer.EXE	rzphtx4hb62.exe
PID 3000 wrote to memory of 3836	3000	Explorer.EXE	rzphtx4hb62.exe
PID 3000 wrote to memory of 3836	3000	Explorer.EXE	rzphtx4hb62.exe
PID 3108 wrote to memory of 1788	3108	wscript.exe	Firefox.exe
PID 3836 wrote to memory of 2640	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 2640	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 2640	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 1688	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 1688	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 1688	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 1688	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 1688	3836	rzphtx4hb62.exe	rzphtx4hb62.exe
PID 3836 wrote to memory of 1688	3836	rzphtx4hb62.exe	rzphtx4hb62.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 WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1588

C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3008

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.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:3108

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\QUOTATION '.exe"
3⤵
PID:988

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:580

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1788

C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe
"C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3836

C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe
"{path}"
3⤵
- Executes dropped EXE
PID:2640

C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe
"{path}"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1688

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

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe
MD5
2fdc9cdf35cbdd01b4f61eaa4d8d38a6

SHA1
a59e65c3ecc0c3f586bece4db3a085734c3e4da5

SHA256
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

SHA512
122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Download Submit
C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe
MD5
2fdc9cdf35cbdd01b4f61eaa4d8d38a6

SHA1
a59e65c3ecc0c3f586bece4db3a085734c3e4da5

SHA256
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

SHA512
122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Download Submit
C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe
MD5
2fdc9cdf35cbdd01b4f61eaa4d8d38a6

SHA1
a59e65c3ecc0c3f586bece4db3a085734c3e4da5

SHA256
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

SHA512
122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Download Submit
C:\Program Files (x86)\Fbdf\rzphtx4hb62.exe
MD5
2fdc9cdf35cbdd01b4f61eaa4d8d38a6

SHA1
a59e65c3ecc0c3f586bece4db3a085734c3e4da5

SHA256
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

SHA512
122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/580-141-0x0000000000000000-mapping.dmp

Download
memory/988-137-0x0000000000000000-mapping.dmp

Download
memory/1588-123-0x00000000057F0000-0x00000000057F1000-memory.dmp

Filesize
4KB

Download
memory/1588-121-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/1588-125-0x0000000008970000-0x00000000089ED000-memory.dmp

Filesize
500KB

Download
memory/1588-126-0x00000000089F0000-0x0000000008A1B000-memory.dmp

Filesize
172KB

Download
memory/1588-117-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/1588-118-0x00000000052F0000-0x00000000052F1000-memory.dmp

Filesize
4KB

Download
memory/1588-119-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/1588-120-0x0000000004C70000-0x0000000004D0C000-memory.dmp

Filesize
624KB

Download
memory/1588-124-0x00000000047A0000-0x00000000047AE000-memory.dmp

Filesize
56KB

Download
memory/1588-122-0x0000000005010000-0x0000000005011000-memory.dmp

Filesize
4KB

Download
memory/1588-115-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/1688-165-0x00000000016D0000-0x00000000019F0000-memory.dmp

Filesize
3.1MB

Download
memory/1688-163-0x000000000041D3A0-mapping.dmp

Download
memory/1788-157-0x000001925D790000-0x000001925D849000-memory.dmp

Filesize
740KB

Download
memory/1788-155-0x0000000000000000-mapping.dmp

Download
memory/1788-156-0x00007FF7C7D50000-0x00007FF7C7DE3000-memory.dmp

Filesize
588KB

Download
memory/3000-133-0x0000000002670000-0x0000000002756000-memory.dmp

Filesize
920KB

Download
memory/3000-140-0x00000000049B0000-0x0000000004A59000-memory.dmp

Filesize
676KB

Download
memory/3000-131-0x0000000005E50000-0x0000000005FE1000-memory.dmp

Filesize
1.6MB

Download
memory/3008-129-0x0000000001120000-0x0000000001440000-memory.dmp

Filesize
3.1MB

Download
memory/3008-130-0x0000000001000000-0x0000000001011000-memory.dmp

Filesize
68KB

Download
memory/3008-128-0x000000000041D3A0-mapping.dmp

Download
memory/3008-127-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3008-132-0x0000000002DA0000-0x0000000002DB1000-memory.dmp

Filesize
68KB

Download
memory/3108-134-0x0000000000000000-mapping.dmp

Download
memory/3108-139-0x0000000004D20000-0x0000000004DB0000-memory.dmp

Filesize
576KB

Download
memory/3108-138-0x0000000004EB0000-0x00000000051D0000-memory.dmp

Filesize
3.1MB

Download
memory/3108-135-0x0000000001190000-0x00000000011B7000-memory.dmp

Filesize
156KB

Download
memory/3108-136-0x0000000000DA0000-0x0000000000DC9000-memory.dmp

Filesize
164KB

Download
memory/3836-154-0x0000000005250000-0x000000000574E000-memory.dmp

Filesize
5.0MB

Download
memory/3836-153-0x0000000005C50000-0x0000000005C51000-memory.dmp

Filesize
4KB

Download
memory/3836-143-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads