formbook | 4693178ae42f25930859574bbaa0b9eb93a011b9233c43639c53689ecd47a15c

Analysis

max time kernel
148s
max time network
155s
platform
windows7_x64
resource
win7-en-20211208
submitted
22-02-2022 09:23

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General

Target

MV LILY SEA_xlsx.exe
Size

294KB
MD5

6ec38c4638933adf4e6431c599572869
SHA1

7daceef37fd49f19393b9cc0c03b5bd0625b6eb4
SHA256

4693178ae42f25930859574bbaa0b9eb93a011b9233c43639c53689ecd47a15c
SHA512

08836096c927d30c9dc4207bbdb0468234f4c2e44eeb873ba755d8976ea578d041c708d97a97cff85cbf8ac27841cba9c1683b54b67e2da029ade8cb8e5d3257

Score

10^/10

formbook xloader dtt3 loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

dtt3

Decoy

edilononlineshop.com

cursosd.com

viellacharteredland.com

increasey0urenergylevels.codes

yjy-hotel.com

claym.xyz

reelsguide.com

gives-cardano.com

ashrafannuar.com

mammalians.com

rocketleaguedads.com

yubierp.com

minimi36.com

chn-chn.com

jagojp888.com

parsian-shetab.com

273351.com

mdtouhid.com

babedads.com

vallinam2.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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1636-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1496-70-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Executes dropped EXE 3 IoCs

Processes:

dtppertj.exedtppertj.exegdimjoxcfp0.exe

pid process

804 dtppertj.exe
1636 dtppertj.exe
1244 gdimjoxcfp0.exe
Loads dropped DLL 6 IoCs

Processes:

MV LILY SEA_xlsx.exedtppertj.exeWerFault.exe

pid process

1672 MV LILY SEA_xlsx.exe
804 dtppertj.exe
852 WerFault.exe
852 WerFault.exe
852 WerFault.exe
852 WerFault.exe

pid	process
804	dtppertj.exe
1636	dtppertj.exe
1244	gdimjoxcfp0.exe

pid	process
1672	MV LILY SEA_xlsx.exe
804	dtppertj.exe
852	WerFault.exe
852	WerFault.exe
852	WerFault.exe
852	WerFault.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	systray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MHUPLPFPCNY = "C:\\Program Files (x86)\\Fzpqlgb\\gdimjoxcfp0.exe"	systray.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

dtppertj.exedtppertj.exesystray.exe

description	pid	process	target process
PID 804 set thread context of 1636	804	dtppertj.exe	dtppertj.exe
PID 1636 set thread context of 1248	1636	dtppertj.exe	Explorer.EXE
PID 1496 set thread context of 1248	1496	systray.exe	Explorer.EXE

Drops file in Program Files directory 2 IoCs

Processes:

systray.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe	systray.exe
File created	C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

852 1244 WerFault.exe gdimjoxcfp0.exe

pid	pid_target	process	target process
852	1244	WerFault.exe	gdimjoxcfp0.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3846991908-3261386348-1409841751-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

dtppertj.exesystray.exeWerFault.exe

pid	process
1636	dtppertj.exe
1636	dtppertj.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
852	WerFault.exe
852	WerFault.exe
852	WerFault.exe
852	WerFault.exe
852	WerFault.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

dtppertj.exesystray.exe

pid process

1636 dtppertj.exe
1636 dtppertj.exe
1636 dtppertj.exe
1496 systray.exe
1496 systray.exe
1496 systray.exe
1496 systray.exe

pid	process
1248	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

dtppertj.exesystray.exeWerFault.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1636	dtppertj.exe
Token: SeDebugPrivilege	1496	systray.exe
Token: SeDebugPrivilege	852	WerFault.exe
Token: SeShutdownPrivilege	1248	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

MV LILY SEA_xlsx.exedtppertj.exeExplorer.EXEsystray.exegdimjoxcfp0.exe

description	pid	process	target process
PID 1672 wrote to memory of 804	1672	MV LILY SEA_xlsx.exe	dtppertj.exe
PID 1672 wrote to memory of 804	1672	MV LILY SEA_xlsx.exe	dtppertj.exe
PID 1672 wrote to memory of 804	1672	MV LILY SEA_xlsx.exe	dtppertj.exe
PID 1672 wrote to memory of 804	1672	MV LILY SEA_xlsx.exe	dtppertj.exe
PID 804 wrote to memory of 1636	804	dtppertj.exe	dtppertj.exe
PID 804 wrote to memory of 1636	804	dtppertj.exe	dtppertj.exe
PID 804 wrote to memory of 1636	804	dtppertj.exe	dtppertj.exe
PID 804 wrote to memory of 1636	804	dtppertj.exe	dtppertj.exe
PID 804 wrote to memory of 1636	804	dtppertj.exe	dtppertj.exe
PID 804 wrote to memory of 1636	804	dtppertj.exe	dtppertj.exe
PID 804 wrote to memory of 1636	804	dtppertj.exe	dtppertj.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	systray.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	systray.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	systray.exe
PID 1248 wrote to memory of 1496	1248	Explorer.EXE	systray.exe
PID 1496 wrote to memory of 1500	1496	systray.exe	cmd.exe
PID 1496 wrote to memory of 1500	1496	systray.exe	cmd.exe
PID 1496 wrote to memory of 1500	1496	systray.exe	cmd.exe
PID 1496 wrote to memory of 1500	1496	systray.exe	cmd.exe
PID 1496 wrote to memory of 1964	1496	systray.exe	Firefox.exe
PID 1496 wrote to memory of 1964	1496	systray.exe	Firefox.exe
PID 1496 wrote to memory of 1964	1496	systray.exe	Firefox.exe
PID 1496 wrote to memory of 1964	1496	systray.exe	Firefox.exe
PID 1248 wrote to memory of 1244	1248	Explorer.EXE	gdimjoxcfp0.exe
PID 1248 wrote to memory of 1244	1248	Explorer.EXE	gdimjoxcfp0.exe
PID 1248 wrote to memory of 1244	1248	Explorer.EXE	gdimjoxcfp0.exe
PID 1248 wrote to memory of 1244	1248	Explorer.EXE	gdimjoxcfp0.exe
PID 1244 wrote to memory of 852	1244	gdimjoxcfp0.exe	WerFault.exe
PID 1244 wrote to memory of 852	1244	gdimjoxcfp0.exe	WerFault.exe
PID 1244 wrote to memory of 852	1244	gdimjoxcfp0.exe	WerFault.exe
PID 1244 wrote to memory of 852	1244	gdimjoxcfp0.exe	WerFault.exe
PID 1496 wrote to memory of 1964	1496	systray.exe	Firefox.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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1248

C:\Users\Admin\AppData\Local\Temp\MV LILY SEA_xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\MV LILY SEA_xlsx.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Admin\AppData\Local\Temp\dtppertj.exe
C:\Users\Admin\AppData\Local\Temp\dtppertj.exe C:\Users\Admin\AppData\Local\Temp\gjajpuko
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:804

C:\Users\Admin\AppData\Local\Temp\dtppertj.exe
C:\Users\Admin\AppData\Local\Temp\dtppertj.exe C:\Users\Admin\AppData\Local\Temp\gjajpuko
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1636

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- 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:1496

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\dtppertj.exe"
3⤵
PID:1500

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1964

C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe
"C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 188
3⤵
- Loads dropped DLL
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
C:\Users\Admin\AppData\Local\Temp\dtppertj.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
C:\Users\Admin\AppData\Local\Temp\dtppertj.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
C:\Users\Admin\AppData\Local\Temp\dtppertj.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
C:\Users\Admin\AppData\Local\Temp\gjajpuko
MD5
ae3d43c640983d2fc0eb4146c712832d

SHA1
5ea8807d63c462a9aaa56d75e83a92415424789c

SHA256
f95f89002e8a5c0a365c34e8bc5d44999cf395b8a5a148c28a4a3ddea147d77a

SHA512
668501d2ee8382fee0039c6056d251bfd3a7ec23b8689a8dd98ea7a21cfec354e0131ddc9a8ca1b70819672c50e24d721dcebee0437064b42d58a9c55d9a81bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\jx3ysnwt15tyrf7a
MD5
7ab27baca052a3c9073b91a47837b5f4

SHA1
9a65e1d87ae66b250bb7a996a1e2417c766cb5e0

SHA256
bebdbe0b879c05c334e50f0450a2b4442194871fe4472e618fd9b6d8937107d2

SHA512
06b30e6fb1fa9c91c6631405d7c33ac4a94e3dbedde78d630ebe1a516847c187655abdd9a9b9d036d9358f94a8c6ac3831761d099f106213f154be1fbeada889

Download Submit
\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
\Users\Admin\AppData\Local\Temp\dtppertj.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
\Users\Admin\AppData\Local\Temp\dtppertj.exe
MD5
5d708187202ff76979fa629b1699ea90

SHA1
115946ec185770a7ef6f2fd5c166a226ba43e938

SHA256
0055ed75bb58cdb1de19124bb69084da9e29ec5a1578390e85f73170fac44a27

SHA512
5a5b4641063ee4e0fbe32b1ed1f52166796f0fc31ee41b1c30e69f1cf0d3b5300033adc7dedea51c5fa24ba302fac51d5344c93316873295171139473782d39b

Download Submit
memory/852-84-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1248-73-0x0000000009230000-0x00000000093AF000-memory.dmp

Filesize
1.5MB

Download
memory/1248-68-0x00000000073D0000-0x00000000074BC000-memory.dmp

Filesize
944KB

Download
memory/1496-71-0x0000000001F50000-0x0000000002253000-memory.dmp

Filesize
3.0MB

Download
memory/1496-72-0x0000000001D50000-0x0000000001DE0000-memory.dmp

Filesize
576KB

Download
memory/1496-70-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1496-69-0x0000000000550000-0x0000000000555000-memory.dmp

Filesize
20KB

Download
memory/1636-67-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/1636-66-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/1636-65-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/1636-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1672-54-0x0000000075341000-0x0000000075343000-memory.dmp

Filesize
8KB

Download