formbook | e0d65350a3770c35273e0bb6a01495e49acdd8cdac437686240da63dac64d55a

General

Target

QUOTATION.exe
Size

1005KB
MD5

9204ace7a5758570dbd35a19530591c5
SHA1

69e92bf2483d4224bc3d0d2f6abb0d37810774df
SHA256

ed4ba3559a925d94bd2917dd5d4247d84e904b1e8423c21e40a0b9efc7b295d6
SHA512

7a78026223945e38d8c3364486585cd64658b4f4063b4ba3ba9a6d26ce435f598d9d829448a2de4ebfe6ffb5908a47bdc37378836a21bd69de31ef89d869c500

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/2128-126-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2128-127-0x000000000041D3A0-mapping.dmp	xloader
behavioral2/memory/3352-136-0x0000000000870000-0x0000000000899000-memory.dmp	xloader
behavioral2/memory/1212-160-0x000000000041D3A0-mapping.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

cmstp.exe

flow pid process

22 3352 cmstp.exe
Executes dropped EXE 2 IoCs

Processes:

systrayq6q.exesystrayq6q.exe

pid process

924 systrayq6q.exe
1212 systrayq6q.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

flow	pid	process
22	3352	cmstp.exe

pid	process
924	systrayq6q.exe
1212	systrayq6q.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ZT3DUFWHQZ = "C:\\Program Files (x86)\\Gwz4ptbx\\systrayq6q.exe"	cmstp.exe
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cmstp.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

QUOTATION.exeQUOTATION.execmstp.exesystrayq6q.exe

description	pid	process	target process
PID 2492 set thread context of 2128	2492	QUOTATION.exe	QUOTATION.exe
PID 2128 set thread context of 3036	2128	QUOTATION.exe	Explorer.EXE
PID 2128 set thread context of 3036	2128	QUOTATION.exe	Explorer.EXE
PID 3352 set thread context of 3036	3352	cmstp.exe	Explorer.EXE
PID 924 set thread context of 1212	924	systrayq6q.exe	systrayq6q.exe

Drops file in Program Files directory 4 IoCs

Processes:

cmstp.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe	cmstp.exe
File opened for modification	C:\Program Files (x86)\Gwz4ptbx	Explorer.EXE
File created	C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

QUOTATION.execmstp.exe

pid	process
2128	QUOTATION.exe
2128	QUOTATION.exe
2128	QUOTATION.exe
2128	QUOTATION.exe
2128	QUOTATION.exe
2128	QUOTATION.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe
3352	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3036 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

QUOTATION.execmstp.exe

pid process

2128 QUOTATION.exe
2128 QUOTATION.exe
2128 QUOTATION.exe
2128 QUOTATION.exe
3352 cmstp.exe
3352 cmstp.exe
3352 cmstp.exe
3352 cmstp.exe

pid	process
3036	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

QUOTATION.execmstp.exeExplorer.EXEsystrayq6q.exe

description	pid	process
Token: SeDebugPrivilege	2128	QUOTATION.exe
Token: SeDebugPrivilege	3352	cmstp.exe
Token: SeShutdownPrivilege	3036	Explorer.EXE
Token: SeCreatePagefilePrivilege	3036	Explorer.EXE
Token: SeShutdownPrivilege	3036	Explorer.EXE
Token: SeCreatePagefilePrivilege	3036	Explorer.EXE
Token: SeDebugPrivilege	1212	systrayq6q.exe
Token: SeShutdownPrivilege	3036	Explorer.EXE
Token: SeCreatePagefilePrivilege	3036	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

QUOTATION.exeExplorer.EXEcmstp.exesystrayq6q.exe

description	pid	process	target process
PID 2492 wrote to memory of 2128	2492	QUOTATION.exe	QUOTATION.exe
PID 2492 wrote to memory of 2128	2492	QUOTATION.exe	QUOTATION.exe
PID 2492 wrote to memory of 2128	2492	QUOTATION.exe	QUOTATION.exe
PID 2492 wrote to memory of 2128	2492	QUOTATION.exe	QUOTATION.exe
PID 2492 wrote to memory of 2128	2492	QUOTATION.exe	QUOTATION.exe
PID 2492 wrote to memory of 2128	2492	QUOTATION.exe	QUOTATION.exe
PID 3036 wrote to memory of 3352	3036	Explorer.EXE	cmstp.exe
PID 3036 wrote to memory of 3352	3036	Explorer.EXE	cmstp.exe
PID 3036 wrote to memory of 3352	3036	Explorer.EXE	cmstp.exe
PID 3352 wrote to memory of 2156	3352	cmstp.exe	cmd.exe
PID 3352 wrote to memory of 2156	3352	cmstp.exe	cmd.exe
PID 3352 wrote to memory of 2156	3352	cmstp.exe	cmd.exe
PID 3352 wrote to memory of 2416	3352	cmstp.exe	cmd.exe
PID 3352 wrote to memory of 2416	3352	cmstp.exe	cmd.exe
PID 3352 wrote to memory of 2416	3352	cmstp.exe	cmd.exe
PID 3352 wrote to memory of 672	3352	cmstp.exe	Firefox.exe
PID 3352 wrote to memory of 672	3352	cmstp.exe	Firefox.exe
PID 3036 wrote to memory of 924	3036	Explorer.EXE	systrayq6q.exe
PID 3036 wrote to memory of 924	3036	Explorer.EXE	systrayq6q.exe
PID 3036 wrote to memory of 924	3036	Explorer.EXE	systrayq6q.exe
PID 3352 wrote to memory of 672	3352	cmstp.exe	Firefox.exe
PID 924 wrote to memory of 1212	924	systrayq6q.exe	systrayq6q.exe
PID 924 wrote to memory of 1212	924	systrayq6q.exe	systrayq6q.exe
PID 924 wrote to memory of 1212	924	systrayq6q.exe	systrayq6q.exe
PID 924 wrote to memory of 1212	924	systrayq6q.exe	systrayq6q.exe
PID 924 wrote to memory of 1212	924	systrayq6q.exe	systrayq6q.exe
PID 924 wrote to memory of 1212	924	systrayq6q.exe	systrayq6q.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:3036

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:2492

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:2128

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Blocklisted process makes network request
- 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:3352

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
3⤵
PID:2156

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:2416

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:672

C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe
"C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:924

C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe
"{path}"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1212

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

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Downloads

C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe
MD5
48b3b9c684cee3089fc97e3993ad7166

SHA1
47019b184dd51023536fb7df65533983b069b120

SHA256
7146da004357c6372b1845270218d9cad081afc87d3be1316b95537193441782

SHA512
12ae43344bb401bc36da488c1b4debfb9116104e7b09b53196ceb7a040750467b0e5bcfe86346e1b1e9e4f15bfc70bf99435c70fe1499695431868b7b3ec11da

Download Submit
C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe
MD5
48b3b9c684cee3089fc97e3993ad7166

SHA1
47019b184dd51023536fb7df65533983b069b120

SHA256
7146da004357c6372b1845270218d9cad081afc87d3be1316b95537193441782

SHA512
12ae43344bb401bc36da488c1b4debfb9116104e7b09b53196ceb7a040750467b0e5bcfe86346e1b1e9e4f15bfc70bf99435c70fe1499695431868b7b3ec11da

Download Submit
C:\Program Files (x86)\Gwz4ptbx\systrayq6q.exe
MD5
48b3b9c684cee3089fc97e3993ad7166

SHA1
47019b184dd51023536fb7df65533983b069b120

SHA256
7146da004357c6372b1845270218d9cad081afc87d3be1316b95537193441782

SHA512
12ae43344bb401bc36da488c1b4debfb9116104e7b09b53196ceb7a040750467b0e5bcfe86346e1b1e9e4f15bfc70bf99435c70fe1499695431868b7b3ec11da

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

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/672-154-0x00007FF6D8F50000-0x00007FF6D8FE3000-memory.dmp

Filesize
588KB

Download
memory/672-155-0x00000203BDAF0000-0x00000203BDB8E000-memory.dmp

Filesize
632KB

Download
memory/672-153-0x0000000000000000-mapping.dmp

Download
memory/924-152-0x00000000053E0000-0x000000000547C000-memory.dmp

Filesize
624KB

Download
memory/924-142-0x0000000000000000-mapping.dmp

Download
memory/1212-160-0x000000000041D3A0-mapping.dmp

Download
memory/1212-162-0x0000000001510000-0x0000000001830000-memory.dmp

Filesize
3.1MB

Download
memory/2128-126-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2128-127-0x000000000041D3A0-mapping.dmp

Download
memory/2128-128-0x0000000001330000-0x0000000001650000-memory.dmp

Filesize
3.1MB

Download
memory/2128-129-0x0000000001180000-0x0000000001191000-memory.dmp

Filesize
68KB

Download
memory/2128-131-0x00000000012D0000-0x00000000012E1000-memory.dmp

Filesize
68KB

Download
memory/2156-134-0x0000000000000000-mapping.dmp

Download
memory/2416-140-0x0000000000000000-mapping.dmp

Download
memory/2492-124-0x0000000006800000-0x000000000687B000-memory.dmp

Filesize
492KB

Download
memory/2492-115-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/2492-117-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/2492-118-0x0000000005D90000-0x0000000005D91000-memory.dmp

Filesize
4KB

Download
memory/2492-119-0x0000000005930000-0x0000000005931000-memory.dmp

Filesize
4KB

Download
memory/2492-120-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/2492-121-0x00000000059D0000-0x00000000059D1000-memory.dmp

Filesize
4KB

Download
memory/2492-122-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/2492-123-0x00000000031D0000-0x00000000031DE000-memory.dmp

Filesize
56KB

Download
memory/2492-125-0x0000000007880000-0x00000000078AB000-memory.dmp

Filesize
172KB

Download
memory/3036-132-0x0000000005C20000-0x0000000005D69000-memory.dmp

Filesize
1.3MB

Download
memory/3036-130-0x0000000002810000-0x00000000028E1000-memory.dmp

Filesize
836KB

Download
memory/3036-139-0x0000000005EB0000-0x0000000006025000-memory.dmp

Filesize
1.5MB

Download
memory/3352-133-0x0000000000000000-mapping.dmp

Download
memory/3352-138-0x0000000004740000-0x00000000047D0000-memory.dmp

Filesize
576KB

Download
memory/3352-137-0x00000000048E0000-0x0000000004C00000-memory.dmp

Filesize
3.1MB

Download
memory/3352-136-0x0000000000870000-0x0000000000899000-memory.dmp

Filesize
164KB

Download
memory/3352-135-0x0000000000C60000-0x0000000000C76000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads