formbook | e539f80082f961c600e6ff2a21e969d0641aa787831259d3fdd772b28d469721

General

Target

SecuriteInfo.com.Win32.Trojan-gen.31819.exe
Size

733KB
MD5

f536ea8fb5b6586bb2ffc764cd52abff
SHA1

313804060f2511b8382d369a3949d5524c1adaef
SHA256

e539f80082f961c600e6ff2a21e969d0641aa787831259d3fdd772b28d469721
SHA512

873e0a7174be40db35f8e8f06fd7ffaf340128e7ee6ec09f691ca8857aac9b1f4c5d6cdb76841858ef4e52b2fa5a4a9a18588221567626fe1474b8b101cef8ea
SSDEEP

12288:i1qMhtVLzLypCggIh36+O9dvjpQVeri442qKk/RqIkr:WFhHzmQgn6+8T/r7PaqI

Score

10^/10

formbook modiloader nvp4 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

nvp4

Decoy

EiywrQNofDNveWY1IESoBA==

yqEWFGRfErX7ICQCwyQ+YeLXtaA=

Ers0rc50nbjso0jbdZTmBw==

XQxVP45+F5OZn3ZBTC7MLe1OF3G5c5uK9A==

RHh4uwtsttjzlxy+eW3+

W+xQshfnvmF5n5x2d+cEVdBNIkQRHRE=

FwlyiuXNX0+Trw==

euLn91on/7DeDe++zbQ4YeLXtaA=

td4cO8m3HDRWtl8p7Q==

ZrlyAAPqc3GXI5k=

OM0IisKOI78FJC/IuIxxAu5nRg==

d6A0QJ6PV+AOpyK+eW3+

+EgxFWUu3Ulatl8p7Q==

GC/stck1ILXn+cWZx7w8W6rPFmO6c5uK9A==

hhIiK4+CKEOfB4tr

mA1pyQ85ye8N

4xgWYcEpEoidv8eXKNncAQ==

L+hOVbe+IWyc8oVUclc=

J7EGaJ+L+wKLXUYg7w==

L5R/nfdgQdMHD+TUKw1Zo3Hb

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1672-132-0x0000000002740000-0x000000000276B000-memory.dmp	modiloader_stage2

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:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	wscript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SecuriteInfo.com.Win32.Trojan-gen.31819.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Iuigzwjd = "C:\\Users\\Public\\Libraries\\djwzgiuI.url"	SecuriteInfo.com.Win32.Trojan-gen.31819.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

wscript.exeipconfig.exe

description	pid	process	target process
PID 1744 set thread context of 2184	1744	wscript.exe	Explorer.EXE
PID 3964 set thread context of 2184	3964	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

3964 ipconfig.exe

pid	process
3964	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

SecuriteInfo.com.Win32.Trojan-gen.31819.exewscript.exeipconfig.exe

pid	process
1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe
1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe
1744	wscript.exe
1744	wscript.exe
1744	wscript.exe
1744	wscript.exe
1744	wscript.exe
1744	wscript.exe
1744	wscript.exe
1744	wscript.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe
3964	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

wscript.exeipconfig.exe

pid process

1744 wscript.exe
1744 wscript.exe
1744 wscript.exe
3964 ipconfig.exe
3964 ipconfig.exe

pid	process
1744	wscript.exe
1744	wscript.exe
1744	wscript.exe
3964	ipconfig.exe
3964	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

wscript.exeExplorer.EXEipconfig.exe

description	pid	process
Token: SeDebugPrivilege	1744	wscript.exe
Token: SeShutdownPrivilege	2184	Explorer.EXE
Token: SeCreatePagefilePrivilege	2184	Explorer.EXE
Token: SeShutdownPrivilege	2184	Explorer.EXE
Token: SeCreatePagefilePrivilege	2184	Explorer.EXE
Token: SeDebugPrivilege	3964	ipconfig.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

SecuriteInfo.com.Win32.Trojan-gen.31819.exeExplorer.EXE

description	pid	process	target process
PID 1672 wrote to memory of 1744	1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe	wscript.exe
PID 1672 wrote to memory of 1744	1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe	wscript.exe
PID 1672 wrote to memory of 1744	1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe	wscript.exe
PID 1672 wrote to memory of 1744	1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe	wscript.exe
PID 1672 wrote to memory of 1744	1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe	wscript.exe
PID 1672 wrote to memory of 1744	1672	SecuriteInfo.com.Win32.Trojan-gen.31819.exe	wscript.exe
PID 2184 wrote to memory of 3964	2184	Explorer.EXE	ipconfig.exe
PID 2184 wrote to memory of 3964	2184	Explorer.EXE	ipconfig.exe
PID 2184 wrote to memory of 3964	2184	Explorer.EXE	ipconfig.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Trojan-gen.31819.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Trojan-gen.31819.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\wscript.exe
C:\Windows\System32\wscript.exe
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1744

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3964

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1672-136-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1672-132-0x0000000002740000-0x000000000276B000-memory.dmp

Filesize
172KB

Download
memory/1672-135-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1744-141-0x00000000037D0000-0x0000000003B1A000-memory.dmp

Filesize
3.3MB

Download
memory/1744-138-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/1744-139-0x0000000010411000-0x000000001043F000-memory.dmp

Filesize
184KB

Download
memory/1744-149-0x0000000010411000-0x000000001043F000-memory.dmp

Filesize
184KB

Download
memory/1744-142-0x0000000010432000-0x0000000010434000-memory.dmp

Filesize
8KB

Download
memory/1744-143-0x0000000002300000-0x0000000002310000-memory.dmp

Filesize
64KB

Download
memory/1744-134-0x0000000000000000-mapping.dmp

Download
memory/1744-148-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/2184-144-0x0000000002E80000-0x0000000002F5E000-memory.dmp

Filesize
888KB

Download
memory/2184-154-0x00000000031D0000-0x00000000032FB000-memory.dmp

Filesize
1.2MB

Download
memory/2184-152-0x00000000031D0000-0x00000000032FB000-memory.dmp

Filesize
1.2MB

Download
memory/3964-145-0x0000000000000000-mapping.dmp

Download
memory/3964-150-0x0000000001080000-0x00000000013CA000-memory.dmp

Filesize
3.3MB

Download
memory/3964-151-0x0000000000EB0000-0x0000000000F3F000-memory.dmp

Filesize
572KB

Download
memory/3964-147-0x00000000008B0000-0x00000000008DD000-memory.dmp

Filesize
180KB

Download
memory/3964-153-0x00000000008B0000-0x00000000008DD000-memory.dmp

Filesize
180KB

Download
memory/3964-146-0x0000000000D10000-0x0000000000D1B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads