formbook | f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032

General

Target

triage_dropped_file.exe
Size

253KB
MD5

d0e4c13e6c8ba9fe34d86b554b595d9a
SHA1

83eee2dbe00ae265af9eb13105dc1068b6b034cd
SHA256

f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
SHA512

72f5fcd367c0f0fdc83827bea529f84a85ace28550a5cd8102cb0cde2829d81defe312fb0d95d3c5a8e8728f4efd8cb433bfab0b3e1f265fffdc4e0ad687247d

Score

10^/10

formbook xloader kqna loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

kqna

C2

http://www.surfsolutions.info/kqna/

Decoy

achyutlifesciences.com

anthemmg.com

netkopat.com

generationgirlnaturals.com

novatel-network.com

craftstockco.com

thevishantiverse.art

elkerfly.com

haerotechs.com

candypalette.com

gregdokes.com

e-commerce.company

gratitudeland.com

companyintelcloud.com

publicyazilim.com

xc6811.com

aracsozluk.com

janesgalant.quest

fraserstephendop.com

ryan.rentals

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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/776-56-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/776-57-0x000000000041D400-mapping.dmp	xloader
behavioral2/memory/1644-66-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader
behavioral2/memory/1764-77-0x000000000041D400-mapping.dmp	xloader

Executes dropped EXE 2 IoCs

Processes:

mszv1h8.exemszv1h8.exe

pid process

752 mszv1h8.exe
1764 mszv1h8.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

820 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

triage_dropped_file.exemszv1h8.exe

pid process

1452 triage_dropped_file.exe
752 mszv1h8.exe

pid	process
752	mszv1h8.exe
1764	mszv1h8.exe

pid	process
820	cmd.exe

pid	process
1452	triage_dropped_file.exe
752	mszv1h8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\9RCPOR58G = "C:\\Program Files (x86)\\Ufl8tqv_\\mszv1h8.exe"	msiexec.exe
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

triage_dropped_file.exetriage_dropped_file.exemsiexec.exemszv1h8.exe

description	pid	process	target process
PID 1452 set thread context of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 776 set thread context of 1356	776	triage_dropped_file.exe	Explorer.EXE
PID 1644 set thread context of 1356	1644	msiexec.exe	Explorer.EXE
PID 752 set thread context of 1764	752	mszv1h8.exe	mszv1h8.exe

Drops file in Program Files directory 2 IoCs

Processes:

msiexec.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe	msiexec.exe
File created	C:\Program Files (x86)\Ufl8tqv_\mszv1h8.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

NSIS installer 6 IoCs

installer

Processes:

resource	yara_rule
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe	nsis_installer_1
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe	nsis_installer_2
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe	nsis_installer_1
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe	nsis_installer_2
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe	nsis_installer_1
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3456797065-1076791440-4146276586-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

triage_dropped_file.exemsiexec.exemszv1h8.exe

pid	process
776	triage_dropped_file.exe
776	triage_dropped_file.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1764	mszv1h8.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe
1644	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

triage_dropped_file.exemsiexec.exe

pid process

776 triage_dropped_file.exe
776 triage_dropped_file.exe
776 triage_dropped_file.exe
1644 msiexec.exe
1644 msiexec.exe
1644 msiexec.exe
1644 msiexec.exe

pid	process
1356	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

triage_dropped_file.exemsiexec.exemszv1h8.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	776	triage_dropped_file.exe
Token: SeDebugPrivilege	1644	msiexec.exe
Token: SeDebugPrivilege	1764	mszv1h8.exe
Token: SeShutdownPrivilege	1356	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
1356 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1356 Explorer.EXE
1356 Explorer.EXE

pid	process
1356	Explorer.EXE
1356	Explorer.EXE

pid	process
1356	Explorer.EXE
1356	Explorer.EXE

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

triage_dropped_file.exeExplorer.EXEmsiexec.exemszv1h8.exe

description	pid	process	target process
PID 1452 wrote to memory of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 1452 wrote to memory of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 1452 wrote to memory of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 1452 wrote to memory of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 1452 wrote to memory of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 1452 wrote to memory of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 1452 wrote to memory of 776	1452	triage_dropped_file.exe	triage_dropped_file.exe
PID 1356 wrote to memory of 1644	1356	Explorer.EXE	msiexec.exe
PID 1356 wrote to memory of 1644	1356	Explorer.EXE	msiexec.exe
PID 1356 wrote to memory of 1644	1356	Explorer.EXE	msiexec.exe
PID 1356 wrote to memory of 1644	1356	Explorer.EXE	msiexec.exe
PID 1356 wrote to memory of 1644	1356	Explorer.EXE	msiexec.exe
PID 1356 wrote to memory of 1644	1356	Explorer.EXE	msiexec.exe
PID 1356 wrote to memory of 1644	1356	Explorer.EXE	msiexec.exe
PID 1644 wrote to memory of 820	1644	msiexec.exe	cmd.exe
PID 1644 wrote to memory of 820	1644	msiexec.exe	cmd.exe
PID 1644 wrote to memory of 820	1644	msiexec.exe	cmd.exe
PID 1644 wrote to memory of 820	1644	msiexec.exe	cmd.exe
PID 1644 wrote to memory of 1320	1644	msiexec.exe	Firefox.exe
PID 1644 wrote to memory of 1320	1644	msiexec.exe	Firefox.exe
PID 1644 wrote to memory of 1320	1644	msiexec.exe	Firefox.exe
PID 1644 wrote to memory of 1320	1644	msiexec.exe	Firefox.exe
PID 1356 wrote to memory of 752	1356	Explorer.EXE	mszv1h8.exe
PID 1356 wrote to memory of 752	1356	Explorer.EXE	mszv1h8.exe
PID 1356 wrote to memory of 752	1356	Explorer.EXE	mszv1h8.exe
PID 1356 wrote to memory of 752	1356	Explorer.EXE	mszv1h8.exe
PID 752 wrote to memory of 1764	752	mszv1h8.exe	mszv1h8.exe
PID 752 wrote to memory of 1764	752	mszv1h8.exe	mszv1h8.exe
PID 752 wrote to memory of 1764	752	mszv1h8.exe	mszv1h8.exe
PID 752 wrote to memory of 1764	752	mszv1h8.exe	mszv1h8.exe
PID 752 wrote to memory of 1764	752	mszv1h8.exe	mszv1h8.exe
PID 752 wrote to memory of 1764	752	mszv1h8.exe	mszv1h8.exe
PID 752 wrote to memory of 1764	752	mszv1h8.exe	mszv1h8.exe
PID 1644 wrote to memory of 1320	1644	msiexec.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:1356

C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe
"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1452

C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe
"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:776

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.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:1644

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
- Deletes itself
PID:820

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1320

C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe
"C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:752

C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe
"C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1764

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe
MD5
d0e4c13e6c8ba9fe34d86b554b595d9a

SHA1
83eee2dbe00ae265af9eb13105dc1068b6b034cd

SHA256
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032

SHA512
72f5fcd367c0f0fdc83827bea529f84a85ace28550a5cd8102cb0cde2829d81defe312fb0d95d3c5a8e8728f4efd8cb433bfab0b3e1f265fffdc4e0ad687247d

Download Submit
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe
MD5
d0e4c13e6c8ba9fe34d86b554b595d9a

SHA1
83eee2dbe00ae265af9eb13105dc1068b6b034cd

SHA256
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032

SHA512
72f5fcd367c0f0fdc83827bea529f84a85ace28550a5cd8102cb0cde2829d81defe312fb0d95d3c5a8e8728f4efd8cb433bfab0b3e1f265fffdc4e0ad687247d

Download Submit
C:\Program Files (x86)\Ufl8tqv_\mszv1h8.exe
MD5
d0e4c13e6c8ba9fe34d86b554b595d9a

SHA1
83eee2dbe00ae265af9eb13105dc1068b6b034cd

SHA256
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032

SHA512
72f5fcd367c0f0fdc83827bea529f84a85ace28550a5cd8102cb0cde2829d81defe312fb0d95d3c5a8e8728f4efd8cb433bfab0b3e1f265fffdc4e0ad687247d

Download Submit
C:\Users\Admin\AppData\Local\Temp\v9o87lv0ox9o
MD5
6dd6b2f57140830efdc0592e13806717

SHA1
309088c2e4ace855e4befd9973eaf9fd6b942ddb

SHA256
f2ef3b579ffd5f12c77522967c2b41725d0f72a1865ee0e32bc5747324fb9cdb

SHA512
8edbc94afc1ebce3d2a41c6b72b8270326f16b5a1ab6718edbd0554dfb7433ec34c82158fb12d561aeb51ab9c3e77cbc31b8307cf7f954e728975667f9057caf

Download Submit
\Users\Admin\AppData\Local\Temp\nstF46E.tmp\oirygpbyia.dll
MD5
6d2a0ca8aac6594e4f037d3cecdace3b

SHA1
2fdc815752d2483ae536ed60dd2104b0e5cc2abd

SHA256
f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468

SHA512
cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee

Download Submit
\Users\Admin\AppData\Local\Temp\nsuAEC7.tmp\oirygpbyia.dll
MD5
6d2a0ca8aac6594e4f037d3cecdace3b

SHA1
2fdc815752d2483ae536ed60dd2104b0e5cc2abd

SHA256
f7a3aa43e037f6b25c8070b3aaac9f0c5037abb1c4d01afd30a6f52f7c44f468

SHA512
cacc25100aedd926141416ef443dd40f03cb6b1512129bd707fc8ece1c9db2ad9a1de559e8cb3d29b569e2b1b843822f4ef681c4ea33bc5a6a290a3f17bdb7ee

Download Submit
memory/752-70-0x0000000000000000-mapping.dmp

Download
memory/776-59-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/776-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/776-57-0x000000000041D400-mapping.dmp

Download
memory/776-60-0x0000000000480000-0x0000000000491000-memory.dmp

Filesize
68KB

Download
memory/820-64-0x0000000000000000-mapping.dmp

Download
memory/1356-61-0x0000000007120000-0x000000000723B000-memory.dmp

Filesize
1.1MB

Download
memory/1356-69-0x0000000008DA0000-0x0000000008F12000-memory.dmp

Filesize
1.4MB

Download
memory/1452-54-0x00000000759B1000-0x00000000759B3000-memory.dmp

Filesize
8KB

Download
memory/1644-67-0x00000000022D0000-0x00000000025D3000-memory.dmp

Filesize
3.0MB

Download
memory/1644-62-0x0000000000000000-mapping.dmp

Download
memory/1644-68-0x0000000000420000-0x00000000004B0000-memory.dmp

Filesize
576KB

Download
memory/1644-66-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1644-65-0x00000000005A0000-0x00000000005B4000-memory.dmp

Filesize
80KB

Download
memory/1764-77-0x000000000041D400-mapping.dmp

Download
memory/1764-79-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads