formbook | 36c82bea7381b157879abc9aedfa192d05ed7a5735781fedd248000e1364bade

General

Target

SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe
Size

642KB
MD5

5f8b5e708fac3e104ce3ccfa9570e1bb
SHA1

4fa68f6cadcb8d54ebf700cc6105f3d601f56f83
SHA256

36c82bea7381b157879abc9aedfa192d05ed7a5735781fedd248000e1364bade
SHA512

ed2f0a4b4826accfeff0ca73aac71a05ea813b23e010750b4becaae6b6262fcd914ce09e6986290c9762063e35b657444ef137600c5b89aa44fe490a8f998953

Score

10^/10

formbook xloader qm5s loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

qm5s

Decoy

0hik40Q3UhxPsw==

JISUEx3s7xDypTBW

i9pv35p8mq/efPnMnjc1

d4OyCX3u9cQP8Lg=

2BLgZcivstP+

pAC7/mJD57GtLrGkijZAM4GQ

oa5Jvt6QpWLmu4hJ7A==

zQh+7kjKwlHfu4hJ7A==

v7xT2kCqy/QN7sKJtRpBtXbvxmvJiZRxjA==

JR0YYed9qFflu4hJ7A==

ovXuQiQQExpJ43yWMufw6X0FblY+

TJrP8LKDiabXu7dZ8Q==

EWVThU33hz1SKSGFmuk=

U5hFmhXVHoMVpA==

DUAxo4ghz4lpeLBV5Zm2Cnbbzhw3

3EbjPYoyPdZ9SDxzAIvOlUCY

2AGmAHBX0neTLcX9lRt2xUTLiuNcRrw=

dGMClACgFTrpu4hJ7A==

S0XMDQKAN2zzlQ4oz4HOlUCY

IUfZIC6jOFTjvP6U8yd3Mw==

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/588-64-0x000000000041F670-mapping.dmp	xloader
behavioral1/memory/588-65-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader
behavioral1/memory/936-74-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader
behavioral1/memory/936-77-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XXWT4RXHU = "C:\\Program Files (x86)\\Xndilj\\vgajpqlwb.exe"	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exeAddInProcess32.exesvchost.exe

description	pid	process	target process
PID 2024 set thread context of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 588 set thread context of 1372	588	AddInProcess32.exe	Explorer.EXE
PID 936 set thread context of 1372	936	svchost.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Program Files (x86)\Xndilj\vgajpqlwb.exe svchost.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Xndilj\vgajpqlwb.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	svchost.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exeAddInProcess32.exesvchost.exe

pid	process
2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe
2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe
588	AddInProcess32.exe
588	AddInProcess32.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

AddInProcess32.exesvchost.exe

pid process

588 AddInProcess32.exe
588 AddInProcess32.exe
588 AddInProcess32.exe
936 svchost.exe
936 svchost.exe
936 svchost.exe
936 svchost.exe

pid	process
588	AddInProcess32.exe
588	AddInProcess32.exe
588	AddInProcess32.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe
936	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exeAddInProcess32.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe
Token: SeDebugPrivilege	588	AddInProcess32.exe
Token: SeDebugPrivilege	936	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 2024 wrote to memory of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 2024 wrote to memory of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 2024 wrote to memory of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 2024 wrote to memory of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 2024 wrote to memory of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 2024 wrote to memory of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 2024 wrote to memory of 588	2024	SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe	AddInProcess32.exe
PID 1372 wrote to memory of 936	1372	Explorer.EXE	svchost.exe
PID 1372 wrote to memory of 936	1372	Explorer.EXE	svchost.exe
PID 1372 wrote to memory of 936	1372	Explorer.EXE	svchost.exe
PID 1372 wrote to memory of 936	1372	Explorer.EXE	svchost.exe
PID 936 wrote to memory of 1268	936	svchost.exe	cmd.exe
PID 936 wrote to memory of 1268	936	svchost.exe	cmd.exe
PID 936 wrote to memory of 1268	936	svchost.exe	cmd.exe
PID 936 wrote to memory of 1268	936	svchost.exe	cmd.exe
PID 936 wrote to memory of 1708	936	svchost.exe	Firefox.exe
PID 936 wrote to memory of 1708	936	svchost.exe	Firefox.exe
PID 936 wrote to memory of 1708	936	svchost.exe	Firefox.exe
PID 936 wrote to memory of 1708	936	svchost.exe	Firefox.exe
PID 936 wrote to memory of 1708	936	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1372

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.MSIL.Pretoria.1.32389.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:588

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Adds policy 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:936

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
3⤵
PID:1268

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1708

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

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Downloads

memory/588-60-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/588-68-0x00000000005C0000-0x00000000005D1000-memory.dmp

Filesize
68KB

Download
memory/588-67-0x0000000000730000-0x0000000000A33000-memory.dmp

Filesize
3.0MB

Download
memory/588-65-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/588-64-0x000000000041F670-mapping.dmp

Download
memory/588-61-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/936-72-0x0000000000700000-0x0000000000708000-memory.dmp

Filesize
32KB

Download
memory/936-73-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/936-77-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/936-75-0x00000000003C0000-0x0000000000450000-memory.dmp

Filesize
576KB

Download
memory/936-74-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/936-70-0x0000000000000000-mapping.dmp

Download
memory/1268-71-0x0000000000000000-mapping.dmp

Download
memory/1372-69-0x0000000007060000-0x00000000071A0000-memory.dmp

Filesize
1.2MB

Download
memory/1372-76-0x0000000004250000-0x00000000042F4000-memory.dmp

Filesize
656KB

Download
memory/1372-78-0x0000000004250000-0x00000000042F4000-memory.dmp

Filesize
656KB

Download
memory/2024-55-0x0000000076011000-0x0000000076013000-memory.dmp

Filesize
8KB

Download
memory/2024-54-0x0000000000CB0000-0x0000000000D54000-memory.dmp

Filesize
656KB

Download
memory/2024-59-0x0000000000CA0000-0x0000000000CA6000-memory.dmp

Filesize
24KB

Download
memory/2024-56-0x0000000000480000-0x00000000004B2000-memory.dmp

Filesize
200KB

Download
memory/2024-57-0x0000000000610000-0x0000000000626000-memory.dmp

Filesize
88KB

Download
memory/2024-58-0x0000000000B10000-0x0000000000B2A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads