formbook | cd441b4c9815a2a8c3b5851ecd25c21e174dc34f5ea19c3d1cc6c86e7c70ed51

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 10:03

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General

Target

ODBIÓR MTCN.exe
Size

341KB
MD5

36795a69031d90410d834ad79b3c43e6
SHA1

2ffcc154f19ece4f42d25f3d37fade1d7312e388
SHA256

0ca1816f2c6bc6bb3e9dc4f32b36211472bf4d737d561e9c0a2d67ad38f474a2
SHA512

f745df8db8ddbbc0658ee29cf420c5d5e8773be3a13fc1f055dc222d2f937f251a99db1477982594edbdc78d0decb8d8c9f5aa1feefbbe67a372979273c52882
SSDEEP

6144:/Ya6OjgM/tPAQTVtnJJgl1wPUOCDpTzt9FD4QbCZv1bfJqy1z2Ek9gqCiGw:/YI0M/JrWiPiTz9UrZZKEMgQGw

Score

10^/10

formbook ke03 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ke03

Decoy

fastartcustom.com

ikanggabus.xyz

aevum.ru

lacarretapps.com

arcaneacquisitions.net

fuulyshop.com

bloodbahis278.com

bullardrvpark.com

cowboy-hostel.xyz

empireoba.com

the-windsor-h.africa

help-desk-td.com

dofirosols.life

efefarmy.buzz

kewwrf.top

autoran.co.uk

moodysanalytics.boo

kulturemarket.com

ffwpu-kenya.com

heykon.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1324-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1324-75-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1324-79-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/884-84-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/884-86-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

ebntjcbqhm.exeebntjcbqhm.exe

pid process

932 ebntjcbqhm.exe
1324 ebntjcbqhm.exe
Loads dropped DLL 3 IoCs

Processes:

ODBIÓR MTCN.exeebntjcbqhm.exe

pid process

2044 ODBIÓR MTCN.exe
2044 ODBIÓR MTCN.exe
932 ebntjcbqhm.exe

pid	process
932	ebntjcbqhm.exe
1324	ebntjcbqhm.exe

pid	process
2044	ODBIÓR MTCN.exe
2044	ODBIÓR MTCN.exe
932	ebntjcbqhm.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

ebntjcbqhm.exeebntjcbqhm.exewlanext.exe

description	pid	process	target process
PID 932 set thread context of 1324	932	ebntjcbqhm.exe	ebntjcbqhm.exe
PID 1324 set thread context of 1248	1324	ebntjcbqhm.exe	Explorer.EXE
PID 1324 set thread context of 1248	1324	ebntjcbqhm.exe	Explorer.EXE
PID 884 set thread context of 1248	884	wlanext.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

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

ebntjcbqhm.exewlanext.exe

pid	process
1324	ebntjcbqhm.exe
1324	ebntjcbqhm.exe
1324	ebntjcbqhm.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe
884	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ebntjcbqhm.exeebntjcbqhm.exewlanext.exe

pid process

932 ebntjcbqhm.exe
1324 ebntjcbqhm.exe
1324 ebntjcbqhm.exe
1324 ebntjcbqhm.exe
1324 ebntjcbqhm.exe
884 wlanext.exe
884 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ebntjcbqhm.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1324 ebntjcbqhm.exe
Token: SeDebugPrivilege 884 wlanext.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

pid	process
932	ebntjcbqhm.exe
1324	ebntjcbqhm.exe
1324	ebntjcbqhm.exe
1324	ebntjcbqhm.exe
1324	ebntjcbqhm.exe
884	wlanext.exe
884	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	1324	ebntjcbqhm.exe
Token: SeDebugPrivilege	884	wlanext.exe

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ODBIÓR MTCN.exeebntjcbqhm.exeebntjcbqhm.exewlanext.exe

description	pid	process	target process
PID 2044 wrote to memory of 932	2044	ODBIÓR MTCN.exe	ebntjcbqhm.exe
PID 2044 wrote to memory of 932	2044	ODBIÓR MTCN.exe	ebntjcbqhm.exe
PID 2044 wrote to memory of 932	2044	ODBIÓR MTCN.exe	ebntjcbqhm.exe
PID 2044 wrote to memory of 932	2044	ODBIÓR MTCN.exe	ebntjcbqhm.exe
PID 932 wrote to memory of 1324	932	ebntjcbqhm.exe	ebntjcbqhm.exe
PID 932 wrote to memory of 1324	932	ebntjcbqhm.exe	ebntjcbqhm.exe
PID 932 wrote to memory of 1324	932	ebntjcbqhm.exe	ebntjcbqhm.exe
PID 932 wrote to memory of 1324	932	ebntjcbqhm.exe	ebntjcbqhm.exe
PID 932 wrote to memory of 1324	932	ebntjcbqhm.exe	ebntjcbqhm.exe
PID 1324 wrote to memory of 884	1324	ebntjcbqhm.exe	wlanext.exe
PID 1324 wrote to memory of 884	1324	ebntjcbqhm.exe	wlanext.exe
PID 1324 wrote to memory of 884	1324	ebntjcbqhm.exe	wlanext.exe
PID 1324 wrote to memory of 884	1324	ebntjcbqhm.exe	wlanext.exe
PID 884 wrote to memory of 620	884	wlanext.exe	cmd.exe
PID 884 wrote to memory of 620	884	wlanext.exe	cmd.exe
PID 884 wrote to memory of 620	884	wlanext.exe	cmd.exe
PID 884 wrote to memory of 620	884	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1248

C:\Users\Admin\AppData\Local\Temp\ODBIÓR MTCN.exe
"C:\Users\Admin\AppData\Local\Temp\ODBIÓR MTCN.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
"C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe" C:\Users\Admin\AppData\Local\Temp\kfuudl.f
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:932

C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
"C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
5⤵
PID:888

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
5⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe"
6⤵
PID:620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bcnzhwlpvgh.qkf
Filesize
205KB

MD5
5e361407f1974a23969e446d824e15bc

SHA1
5985fbe0ec7e2e227aa256d4c0fe4e243425fbe8

SHA256
fe8e5c558a357946bfd2786f73b2d5e387f9dba883b93cc237f6354c2d113646

SHA512
844ddb346bfc7c9b0dd85494d5833adcaf1fb4f796616b30b70b337c950f5e48f57dc2498804e0fe3cba6822669338727f9d5987e13c85b91f387f96d3d4e3ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
Filesize
254KB

MD5
c6c4f3fd9a09db598811b5ebd5c0b3c3

SHA1
236f077cecbfae99952fbd5244afd2c14d867f52

SHA256
b108763f9ea5eeaca59513676fd75ab96d4b0a88be9aceaab661dc60a0d780ac

SHA512
419b7c2e90273b81d23a010437770d08cc4bfe2ed2e47f6aec44f3cddd6a77f89c2855f05a2a140100a0b5fc60319769445864894f872c6b757be4730b3b26a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
Filesize
254KB

MD5
c6c4f3fd9a09db598811b5ebd5c0b3c3

SHA1
236f077cecbfae99952fbd5244afd2c14d867f52

SHA256
b108763f9ea5eeaca59513676fd75ab96d4b0a88be9aceaab661dc60a0d780ac

SHA512
419b7c2e90273b81d23a010437770d08cc4bfe2ed2e47f6aec44f3cddd6a77f89c2855f05a2a140100a0b5fc60319769445864894f872c6b757be4730b3b26a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
Filesize
254KB

MD5
c6c4f3fd9a09db598811b5ebd5c0b3c3

SHA1
236f077cecbfae99952fbd5244afd2c14d867f52

SHA256
b108763f9ea5eeaca59513676fd75ab96d4b0a88be9aceaab661dc60a0d780ac

SHA512
419b7c2e90273b81d23a010437770d08cc4bfe2ed2e47f6aec44f3cddd6a77f89c2855f05a2a140100a0b5fc60319769445864894f872c6b757be4730b3b26a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
Filesize
254KB

MD5
c6c4f3fd9a09db598811b5ebd5c0b3c3

SHA1
236f077cecbfae99952fbd5244afd2c14d867f52

SHA256
b108763f9ea5eeaca59513676fd75ab96d4b0a88be9aceaab661dc60a0d780ac

SHA512
419b7c2e90273b81d23a010437770d08cc4bfe2ed2e47f6aec44f3cddd6a77f89c2855f05a2a140100a0b5fc60319769445864894f872c6b757be4730b3b26a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\kfuudl.f
Filesize
6KB

MD5
e322847a016b5379761d3bd0eb0c27b2

SHA1
56ac2ea7a3edea834d7cd23b01e3e525acf2f09a

SHA256
e8fdeb01f368b6bd8939997212f4c5a6c35c69b1223e16c5180c549984216f62

SHA512
69a921355713ba3f6e7c440646e0d1be42d0e5882647703afdaa3a8c083795201524d7856126542a4bc6419458a4b6f053f34077a9c081abdd40cd2f9909ba32

Download Submit
\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
Filesize
254KB

MD5
c6c4f3fd9a09db598811b5ebd5c0b3c3

SHA1
236f077cecbfae99952fbd5244afd2c14d867f52

SHA256
b108763f9ea5eeaca59513676fd75ab96d4b0a88be9aceaab661dc60a0d780ac

SHA512
419b7c2e90273b81d23a010437770d08cc4bfe2ed2e47f6aec44f3cddd6a77f89c2855f05a2a140100a0b5fc60319769445864894f872c6b757be4730b3b26a6

Download Submit
\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
Filesize
254KB

MD5
c6c4f3fd9a09db598811b5ebd5c0b3c3

SHA1
236f077cecbfae99952fbd5244afd2c14d867f52

SHA256
b108763f9ea5eeaca59513676fd75ab96d4b0a88be9aceaab661dc60a0d780ac

SHA512
419b7c2e90273b81d23a010437770d08cc4bfe2ed2e47f6aec44f3cddd6a77f89c2855f05a2a140100a0b5fc60319769445864894f872c6b757be4730b3b26a6

Download Submit
\Users\Admin\AppData\Local\Temp\ebntjcbqhm.exe
Filesize
254KB

MD5
c6c4f3fd9a09db598811b5ebd5c0b3c3

SHA1
236f077cecbfae99952fbd5244afd2c14d867f52

SHA256
b108763f9ea5eeaca59513676fd75ab96d4b0a88be9aceaab661dc60a0d780ac

SHA512
419b7c2e90273b81d23a010437770d08cc4bfe2ed2e47f6aec44f3cddd6a77f89c2855f05a2a140100a0b5fc60319769445864894f872c6b757be4730b3b26a6

Download Submit
memory/884-85-0x0000000001DD0000-0x00000000020D3000-memory.dmp

Filesize
3.0MB

Download
memory/884-86-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/884-89-0x00000000020E0000-0x0000000002173000-memory.dmp

Filesize
588KB

Download
memory/884-84-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/884-83-0x0000000000820000-0x0000000000836000-memory.dmp

Filesize
88KB

Download
memory/884-80-0x0000000000820000-0x0000000000836000-memory.dmp

Filesize
88KB

Download
memory/1248-87-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/1248-78-0x0000000006C70000-0x0000000006DBB000-memory.dmp

Filesize
1.3MB

Download
memory/1248-93-0x0000000006FD0000-0x0000000007073000-memory.dmp

Filesize
652KB

Download
memory/1248-76-0x0000000003920000-0x0000000003A20000-memory.dmp

Filesize
1024KB

Download
memory/1248-91-0x0000000006FD0000-0x0000000007073000-memory.dmp

Filesize
652KB

Download
memory/1248-74-0x0000000004F90000-0x00000000050E3000-memory.dmp

Filesize
1.3MB

Download
memory/1248-90-0x0000000006FD0000-0x0000000007073000-memory.dmp

Filesize
652KB

Download
memory/1324-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1324-72-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/1324-73-0x00000000002B0000-0x00000000002C4000-memory.dmp

Filesize
80KB

Download
memory/1324-77-0x0000000000300000-0x0000000000314000-memory.dmp

Filesize
80KB

Download
memory/1324-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1324-79-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download