formbook | 4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2

General

Target

4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe
Size

768KB
MD5

60faea31bf224b220204dc167f1418f8
SHA1

7849870bd13daf80db63e11cc70b9082b427b60f
SHA256

4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2
SHA512

5870abc4939556654b60e538bfea254d83f6263a53434dda1c71bf09844dc0b6e146c1d943f8faedc66ae6b55c8e89df228a46337806ba0bb445c8a2ee4a5944
SSDEEP

12288:Zlm8oGNXxAKz3SiHxTqlC9KVlLaS0tZIANC2qywKHzAcCcu98sDa:bxoqxAKrSiHhqlC9yOHWUqybzYT9FD

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/4664-132-0x00000000022D0000-0x00000000022FB000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Lyjefqkk = "C:\\Users\\Public\\Libraries\\kkqfejyL.url"	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

colorcpl.execscript.exe

description	pid	process	target process
PID 4332 set thread context of 2728	4332	colorcpl.exe	Explorer.EXE
PID 4540 set thread context of 2728	4540	cscript.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.execolorcpl.execscript.exe

pid	process
4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe
4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe
4332	colorcpl.exe
4332	colorcpl.exe
4332	colorcpl.exe
4332	colorcpl.exe
4332	colorcpl.exe
4332	colorcpl.exe
4332	colorcpl.exe
4332	colorcpl.exe
4540	cscript.exe
4540	cscript.exe
4540	cscript.exe
4540	cscript.exe
4540	cscript.exe
4540	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

colorcpl.execscript.exe

pid process

4332 colorcpl.exe
4332 colorcpl.exe
4332 colorcpl.exe
4540 cscript.exe
4540 cscript.exe

pid	process
4332	colorcpl.exe
4332	colorcpl.exe
4332	colorcpl.exe
4540	cscript.exe
4540	cscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

colorcpl.exeExplorer.EXEcscript.exe

description	pid	process
Token: SeDebugPrivilege	4332	colorcpl.exe
Token: SeShutdownPrivilege	2728	Explorer.EXE
Token: SeCreatePagefilePrivilege	2728	Explorer.EXE
Token: SeShutdownPrivilege	2728	Explorer.EXE
Token: SeCreatePagefilePrivilege	2728	Explorer.EXE
Token: SeDebugPrivilege	4540	cscript.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exeExplorer.EXE

description	pid	process	target process
PID 4664 wrote to memory of 4332	4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe	colorcpl.exe
PID 4664 wrote to memory of 4332	4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe	colorcpl.exe
PID 4664 wrote to memory of 4332	4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe	colorcpl.exe
PID 4664 wrote to memory of 4332	4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe	colorcpl.exe
PID 4664 wrote to memory of 4332	4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe	colorcpl.exe
PID 4664 wrote to memory of 4332	4664	4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe	colorcpl.exe
PID 2728 wrote to memory of 4540	2728	Explorer.EXE	cscript.exe
PID 2728 wrote to memory of 4540	2728	Explorer.EXE	cscript.exe
PID 2728 wrote to memory of 4540	2728	Explorer.EXE	cscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728

C:\Users\Admin\AppData\Local\Temp\4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe
"C:\Users\Admin\AppData\Local\Temp\4e55b2ec6600966189f48318f557e66a9197b0192e7c24b793f5bbd8116baae2.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4664

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4332

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4540

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2728-149-0x0000000008C40000-0x0000000008D53000-memory.dmp

Filesize
1.1MB

Download
memory/2728-152-0x0000000003260000-0x000000000335D000-memory.dmp

Filesize
1012KB

Download
memory/2728-144-0x0000000008C40000-0x0000000008D53000-memory.dmp

Filesize
1.1MB

Download
memory/2728-153-0x0000000003260000-0x000000000335D000-memory.dmp

Filesize
1012KB

Download
memory/4332-142-0x0000000010432000-0x0000000010434000-memory.dmp

Filesize
8KB

Download
memory/4332-143-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4332-138-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/4332-139-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/4332-140-0x0000000010411000-0x000000001043F000-memory.dmp

Filesize
184KB

Download
memory/4332-134-0x0000000000000000-mapping.dmp

Download
memory/4332-141-0x0000000004C10000-0x0000000004F5A000-memory.dmp

Filesize
3.3MB

Download
memory/4540-151-0x0000000002F90000-0x000000000301F000-memory.dmp

Filesize
572KB

Download
memory/4540-146-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/4540-147-0x0000000001100000-0x000000000112D000-memory.dmp

Filesize
180KB

Download
memory/4540-148-0x0000000003200000-0x000000000354A000-memory.dmp

Filesize
3.3MB

Download
memory/4540-150-0x0000000001100000-0x000000000112D000-memory.dmp

Filesize
180KB

Download
memory/4540-145-0x0000000000000000-mapping.dmp

Download
memory/4664-132-0x00000000022D0000-0x00000000022FB000-memory.dmp

Filesize
172KB

Download
memory/4664-136-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/4664-135-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads