formbook | 82c118d71fb0433b051b37a040f31f2455ceb3ddd01b7d314cf6b1f4648d454d

General

Target

PO20210120.exe
Size

943KB
MD5

6fc44193a2a79ad1bd15606386bb0cb0
SHA1

d76e50ba12ea567584f9ee992b60bbf838be3c0a
SHA256

82c118d71fb0433b051b37a040f31f2455ceb3ddd01b7d314cf6b1f4648d454d
SHA512

554fa9c246a5284cf6f273cd13e744875150a5ac15d6443a46116a3e311ed60feafde4c9364f8d23dfef22bf1abb38a1bae2c21405c94a68489376a04a1c96ec

Score

10^/10

formbook ransomware rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.adamjbrowne.com/knb/

Decoy

nona-home.com

themundoverdeproject.com

nhlkrakenfans.com

mak-bauunternehmung.com

public-secret.com

exitumgestao.com

stopforeclosurenow.net

citestbiz1597776507.com

kythuatxetnghiemyhoc.com

longislandeventplanner.com

uaetechworld.com

centretabacstop.net

jomelvendivel.com

agricultureesm.com

successwithspencer.com

companywars.net

terrellhillsdirectory.com

ngldwyy.com

cwiprinting.net

lnstagramgetverifyaccounts.site

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/984-14-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/984-15-0x000000000041EC00-mapping.dmp	formbook
behavioral2/memory/540-26-0x00000000024B0000-0x00000000024DE000-memory.dmp	formbook

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO20210120.exePO20210120.execolorcpl.exe

description	pid	process	target process
PID 988 set thread context of 984	988	PO20210120.exe	PO20210120.exe
PID 984 set thread context of 3128	984	PO20210120.exe	Explorer.EXE
PID 984 set thread context of 3128	984	PO20210120.exe	Explorer.EXE
PID 540 set thread context of 3128	540	colorcpl.exe	Explorer.EXE

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2876 schtasks.exe

pid	process
2876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

Processes:

PO20210120.exePO20210120.execolorcpl.exe

pid	process
988	PO20210120.exe
984	PO20210120.exe
984	PO20210120.exe
984	PO20210120.exe
984	PO20210120.exe
984	PO20210120.exe
984	PO20210120.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe
540	colorcpl.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO20210120.execolorcpl.exe

pid process

984 PO20210120.exe
984 PO20210120.exe
984 PO20210120.exe
984 PO20210120.exe
540 colorcpl.exe
540 colorcpl.exe

pid	process
984	PO20210120.exe
984	PO20210120.exe
984	PO20210120.exe
984	PO20210120.exe
540	colorcpl.exe
540	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

PO20210120.exePO20210120.exeExplorer.EXEcolorcpl.exe

description	pid	process
Token: SeDebugPrivilege	988	PO20210120.exe
Token: SeDebugPrivilege	984	PO20210120.exe
Token: SeShutdownPrivilege	3128	Explorer.EXE
Token: SeCreatePagefilePrivilege	3128	Explorer.EXE
Token: SeDebugPrivilege	540	colorcpl.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PO20210120.exePO20210120.execolorcpl.exe

description	pid	process	target process
PID 988 wrote to memory of 2876	988	PO20210120.exe	schtasks.exe
PID 988 wrote to memory of 2876	988	PO20210120.exe	schtasks.exe
PID 988 wrote to memory of 2876	988	PO20210120.exe	schtasks.exe
PID 988 wrote to memory of 984	988	PO20210120.exe	PO20210120.exe
PID 988 wrote to memory of 984	988	PO20210120.exe	PO20210120.exe
PID 988 wrote to memory of 984	988	PO20210120.exe	PO20210120.exe
PID 988 wrote to memory of 984	988	PO20210120.exe	PO20210120.exe
PID 988 wrote to memory of 984	988	PO20210120.exe	PO20210120.exe
PID 988 wrote to memory of 984	988	PO20210120.exe	PO20210120.exe
PID 984 wrote to memory of 540	984	PO20210120.exe	colorcpl.exe
PID 984 wrote to memory of 540	984	PO20210120.exe	colorcpl.exe
PID 984 wrote to memory of 540	984	PO20210120.exe	colorcpl.exe
PID 540 wrote to memory of 2136	540	colorcpl.exe	cmd.exe
PID 540 wrote to memory of 2136	540	colorcpl.exe	cmd.exe
PID 540 wrote to memory of 2136	540	colorcpl.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3128

C:\Users\Admin\AppData\Local\Temp\PO20210120.exe
"C:\Users\Admin\AppData\Local\Temp\PO20210120.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hTvBqiZhSaoi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp180D.tmp"
3⤵
- Creates scheduled task(s)
PID:2876

C:\Users\Admin\AppData\Local\Temp\PO20210120.exe
"C:\Users\Admin\AppData\Local\Temp\PO20210120.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:984

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO20210120.exe"
5⤵
PID:2136

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp180D.tmp
MD5
d5b78754b6f88a07c1d914fd732d9e37

SHA1
a6e46f2f72d1e45317e63ec23f6872f35936ad41

SHA256
fd40dd8cded6c5169f4fb61ce1c5b614bd49520c45692cf81f0dec0e283e6e11

SHA512
0738bca29e31532d4f03a8f667832d5806d0195c5b742d86d35149ba97aff87990ebb6137a937b5d87c06f37f4a1ea4d7b27bfebfd2fce7a2da03199e0d6531f

Download Submit
memory/540-28-0x0000000004210000-0x00000000042A3000-memory.dmp

Filesize
588KB

Download
memory/540-27-0x00000000043B0000-0x00000000046D0000-memory.dmp

Filesize
3.1MB

Download
memory/540-26-0x00000000024B0000-0x00000000024DE000-memory.dmp

Filesize
184KB

Download
memory/540-25-0x00000000000A0000-0x00000000000B9000-memory.dmp

Filesize
100KB

Download
memory/540-23-0x0000000000000000-mapping.dmp

Download
memory/984-15-0x000000000041EC00-mapping.dmp

Download
memory/984-19-0x00000000013B0000-0x00000000013C4000-memory.dmp

Filesize
80KB

Download
memory/984-21-0x0000000001400000-0x0000000001414000-memory.dmp

Filesize
80KB

Download
memory/984-18-0x0000000001430000-0x0000000001750000-memory.dmp

Filesize
3.1MB

Download
memory/984-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/988-5-0x00000000081B0000-0x00000000081B1000-memory.dmp

Filesize
4KB

Download
memory/988-2-0x0000000073310000-0x00000000739FE000-memory.dmp

Filesize
6.9MB

Download
memory/988-9-0x0000000007DF0000-0x0000000007DF1000-memory.dmp

Filesize
4KB

Download
memory/988-10-0x0000000008000000-0x0000000008023000-memory.dmp

Filesize
140KB

Download
memory/988-11-0x0000000008A20000-0x0000000008A86000-memory.dmp

Filesize
408KB

Download
memory/988-3-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/988-8-0x0000000007E70000-0x0000000007E71000-memory.dmp

Filesize
4KB

Download
memory/988-7-0x0000000007E90000-0x0000000007E91000-memory.dmp

Filesize
4KB

Download
memory/988-6-0x0000000007D50000-0x0000000007D51000-memory.dmp

Filesize
4KB

Download
memory/2136-24-0x0000000000000000-mapping.dmp

Download
memory/2876-12-0x0000000000000000-mapping.dmp

Download
memory/3128-20-0x0000000005B00000-0x0000000005C46000-memory.dmp

Filesize
1.3MB

Download
memory/3128-22-0x0000000006CA0000-0x0000000006DD3000-memory.dmp

Filesize
1.2MB

Download
memory/3128-29-0x0000000005900000-0x0000000005A3A000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads