formbook | 66ddd2146468f179b633aa6f51de9e8905f3cb0726007e6f5c254a870e07fd1a

General

Target

SecuriteInfo.com.Win32.InjectorX-gen.829.1269.exe
Size

385KB
MD5

f9b1312ac8ff70011ddbd11607c93d65
SHA1

4a94f5870ea9e181760548a3ca306e168a29af86
SHA256

66ddd2146468f179b633aa6f51de9e8905f3cb0726007e6f5c254a870e07fd1a
SHA512

635011bfbba11cefc2131877a0ef51caeb88aac5a38c33e9dc0dfba87c6673e85bed08384cccc76bfdc4c3cea22d953a455e3f687d2699fc9a55b744f68d9ea2
SSDEEP

6144:hBn7A5jMUCoQcDeFkAOPapOsFBUVIlnWD+a8m3qSimcHRZ7N5D:vrcMkAJnyVIFWD+aiSimg3D

Score

10^/10

formbook xloader m9ae loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

m9ae

Decoy

nWTQpX6TYm6dfT3Lcw==

7JaBLgMm8EKn2AlTy5Ksj4Jq

yWRJIhE3viQgqEpZS3o=

ES9dFo0bytF8vlvRcg==

aX/aBZn29pD+cg==

lU64sYOZV7ZVpUy1ag==

9BpOCYAPv8L8TyIFAiTp2PSqLg==

uEJ2RyQ1BcBXfFr8kT5Z1KV0

oVM42Ury9pD+cg==

0Zl3VkcuKaY+

OjZeGI8dw67Z6eWtnOoBfoI=

ytwFn9j4i+N8nKYRSgcfh3xn5LU=

xMb1+YkOyxmbxJ53JsP7Pg==

HODQpzTBS1gVoi4X0hStKQ==

fQ417ycwD+ziKt1u0hStKQ==

nsApOqE62sA8uS735uCXVP+YcrQ=

4aobG3oZ3AHqTPs=

P2LEwJatZbQZUTayTW0=

/bopO7NR6clCfT3Lcw==

bBxRRkFY01R+20pZS3o=

Extracted

Family

xloader

Version

3.ƅ

Campaign

m9ae

Decoy

nWTQpX6TYm6dfT3Lcw==

7JaBLgMm8EKn2AlTy5Ksj4Jq

yWRJIhE3viQgqEpZS3o=

ES9dFo0bytF8vlvRcg==

aX/aBZn29pD+cg==

lU64sYOZV7ZVpUy1ag==

9BpOCYAPv8L8TyIFAiTp2PSqLg==

uEJ2RyQ1BcBXfFr8kT5Z1KV0

oVM42Ury9pD+cg==

0Zl3VkcuKaY+

OjZeGI8dw67Z6eWtnOoBfoI=

ytwFn9j4i+N8nKYRSgcfh3xn5LU=

xMb1+YkOyxmbxJ53JsP7Pg==

HODQpzTBS1gVoi4X0hStKQ==

fQ417ycwD+ziKt1u0hStKQ==

nsApOqE62sA8uS735uCXVP+YcrQ=

4aobG3oZ3AHqTPs=

P2LEwJatZbQZUTayTW0=

/bopO7NR6clCfT3Lcw==

bBxRRkFY01R+20pZS3o=

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
Executes dropped EXE 2 IoCs

Processes:

ndteryle.exendteryle.exe

pid process

4804 ndteryle.exe
4492 ndteryle.exe

pid	process
4804	ndteryle.exe
4492	ndteryle.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:

ndteryle.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	ndteryle.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ndteryle.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fpmovprajuue = "C:\\Users\\Admin\\AppData\\Roaming\\vevuxssug\\ujybeowi.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ndteryle.exe\" C:\\Users\\Admin\\AppData\\Loca"	ndteryle.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ndteryle.exendteryle.execmstp.exe

description	pid	process	target process
PID 4804 set thread context of 4492	4804	ndteryle.exe	ndteryle.exe
PID 4492 set thread context of 760	4492	ndteryle.exe	Explorer.EXE
PID 888 set thread context of 760	888	cmstp.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

ndteryle.execmstp.exe

pid	process
4492	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

760 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

ndteryle.exendteryle.execmstp.exe

pid process

4804 ndteryle.exe
4492 ndteryle.exe
4492 ndteryle.exe
4492 ndteryle.exe
888 cmstp.exe
888 cmstp.exe
888 cmstp.exe
888 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ndteryle.execmstp.exe

description pid process

Token: SeDebugPrivilege 4492 ndteryle.exe
Token: SeDebugPrivilege 888 cmstp.exe

pid	process
760	Explorer.EXE

pid	process
4804	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
4492	ndteryle.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe

description	pid	process
Token: SeDebugPrivilege	4492	ndteryle.exe
Token: SeDebugPrivilege	888	cmstp.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

SecuriteInfo.com.Win32.InjectorX-gen.829.1269.exendteryle.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 2404 wrote to memory of 4804	2404	SecuriteInfo.com.Win32.InjectorX-gen.829.1269.exe	ndteryle.exe
PID 2404 wrote to memory of 4804	2404	SecuriteInfo.com.Win32.InjectorX-gen.829.1269.exe	ndteryle.exe
PID 2404 wrote to memory of 4804	2404	SecuriteInfo.com.Win32.InjectorX-gen.829.1269.exe	ndteryle.exe
PID 4804 wrote to memory of 4492	4804	ndteryle.exe	ndteryle.exe
PID 4804 wrote to memory of 4492	4804	ndteryle.exe	ndteryle.exe
PID 4804 wrote to memory of 4492	4804	ndteryle.exe	ndteryle.exe
PID 4804 wrote to memory of 4492	4804	ndteryle.exe	ndteryle.exe
PID 760 wrote to memory of 888	760	Explorer.EXE	cmstp.exe
PID 760 wrote to memory of 888	760	Explorer.EXE	cmstp.exe
PID 760 wrote to memory of 888	760	Explorer.EXE	cmstp.exe
PID 888 wrote to memory of 1280	888	cmstp.exe	Firefox.exe
PID 888 wrote to memory of 1280	888	cmstp.exe	Firefox.exe
PID 888 wrote to memory of 1280	888	cmstp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:760

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.InjectorX-gen.829.1269.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.InjectorX-gen.829.1269.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2404

C:\Users\Admin\AppData\Local\Temp\ndteryle.exe
"C:\Users\Admin\AppData\Local\Temp\ndteryle.exe" C:\Users\Admin\AppData\Local\Temp\ocnbvdevo.as
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4804

C:\Users\Admin\AppData\Local\Temp\ndteryle.exe
"C:\Users\Admin\AppData\Local\Temp\ndteryle.exe"
4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4492

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:888

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1280

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\lqvas.pkv
Filesize
185KB

MD5
40807db09771d538ff90931d1d57521d

SHA1
64e2076ea18f5f8f4adaa923786b7bdc441106b3

SHA256
81f9c727a1049cdbeef998ad98b58f0c7b401103db1bfbbd99cf2be8492356fb

SHA512
e478f5849ea7a44287c8bc1ac05dc0905b4df7110598c5f700a0ef8f080d78b8d59f913b7bc976012bcf7655e36964a998168575938a51cfa9854542a2fdefa7

Download Submit
C:\Users\Admin\AppData\Local\Temp\ndteryle.exe
Filesize
104KB

MD5
0c5f8d9d08895f59fe74455d145e0b6c

SHA1
166eca0d136def18f42309f2010cd758c79f2912

SHA256
eb609c776304e0c7056f7953663e7b626d9b7b88341795075c6af1f093f4b9f1

SHA512
97a78a76ccd0b93f18af2224c8a63eb829b0c9ad142bdc50df3410c512ad6be620f707c3e9b808fdff3ff9fa2fc1a7b1279891ed5c696166ab90e95ee562a2a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ndteryle.exe
Filesize
104KB

MD5
0c5f8d9d08895f59fe74455d145e0b6c

SHA1
166eca0d136def18f42309f2010cd758c79f2912

SHA256
eb609c776304e0c7056f7953663e7b626d9b7b88341795075c6af1f093f4b9f1

SHA512
97a78a76ccd0b93f18af2224c8a63eb829b0c9ad142bdc50df3410c512ad6be620f707c3e9b808fdff3ff9fa2fc1a7b1279891ed5c696166ab90e95ee562a2a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ndteryle.exe
Filesize
104KB

MD5
0c5f8d9d08895f59fe74455d145e0b6c

SHA1
166eca0d136def18f42309f2010cd758c79f2912

SHA256
eb609c776304e0c7056f7953663e7b626d9b7b88341795075c6af1f093f4b9f1

SHA512
97a78a76ccd0b93f18af2224c8a63eb829b0c9ad142bdc50df3410c512ad6be620f707c3e9b808fdff3ff9fa2fc1a7b1279891ed5c696166ab90e95ee562a2a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ocnbvdevo.as
Filesize
7KB

MD5
b17e5c62bca52304eb649d424d1989c2

SHA1
889c91ce68438793bdb6c78936c8cd6851599886

SHA256
7b980f8e90494442b292fd15541bd3d21aa0aa3625161c653fa06845c6c07dc1

SHA512
dd061cc63b51c88c9b0036cee9b4834475f7d9a235f238ae3fc381c2cfa647a66c113676b1bc878bc7c6f153604525c01a131fa7dc2bd0bed89583878371c5ac

Download Submit
memory/760-149-0x0000000002410000-0x0000000002510000-memory.dmp

Filesize
1024KB

Download
memory/760-151-0x0000000002410000-0x0000000002510000-memory.dmp

Filesize
1024KB

Download
memory/760-143-0x0000000007E40000-0x0000000007F9F000-memory.dmp

Filesize
1.4MB

Download
memory/888-150-0x0000000000410000-0x000000000043D000-memory.dmp

Filesize
180KB

Download
memory/888-148-0x00000000021A0000-0x000000000222F000-memory.dmp

Filesize
572KB

Download
memory/888-147-0x0000000002500000-0x000000000284A000-memory.dmp

Filesize
3.3MB

Download
memory/888-146-0x0000000000410000-0x000000000043D000-memory.dmp

Filesize
180KB

Download
memory/888-144-0x0000000000000000-mapping.dmp

Download
memory/888-145-0x0000000000BE0000-0x0000000000BF6000-memory.dmp

Filesize
88KB

Download
memory/4492-137-0x0000000000000000-mapping.dmp

Download
memory/4492-142-0x0000000000670000-0x0000000000680000-memory.dmp

Filesize
64KB

Download
memory/4492-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4492-141-0x0000000000AE0000-0x0000000000E2A000-memory.dmp

Filesize
3.3MB

Download
memory/4492-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4804-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads