formbook | 502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e

General

Target

tmp.exe
Size

6KB
MD5

d2b6ec246c1627c4eff844ec15de05b2
SHA1

252ed9f325c178cc4e054fbbad59b68e27728439
SHA256

502f5ca3567e3c23c443376a14c0e4e86ec453e37696f12d723aab77e332a46e
SHA512

e6c07de510ffc22447fd76b77c41631a6d060c3b2d4971ef8cd92260c9f69842b8e621bb7c28a29ebf3960bf61e26c6b3107b97eebcdb738b1bdb853c913d2ac
SSDEEP

48:6N/UH4k/Hlw2u9h3rlJ4ff1DIMQrYhJp6LOQDhRW4xyiXiiVcqBHfOulVt+hXuFW:Qkq5h334fd44JshRW4hieckRNkuzNt

Score

10^/10

formbook do25 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

do25

Decoy

nickifarina.site

nfptrwge.bar

nobreemporio.com

split-acres.com

sharingservice-act.com

nakedinktees.shop

zhensheng1988.com

ipiton.com

liftoffdigitalmarketing.com

karen.cool

theprotestantchurch.com

shirhadarr.com

azdtwp.com

comzestdent.com

jnsjh.com

in-heat-cool.com

dfefej.top

tumingchun.com

eisei-shouji.tokyo

sparecreeping.com

Signatures

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

Formbook payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2020-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2020-65-0x000000000041F160-mapping.dmp	formbook
behavioral1/memory/2020-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2020-75-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2000-77-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2000-82-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1536 cmd.exe

pid	process
1536	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

tmp.exetmp.execmmon32.exe

description	pid	process	target process
PID 1464 set thread context of 2020	1464	tmp.exe	tmp.exe
PID 2020 set thread context of 1360	2020	tmp.exe	Explorer.EXE
PID 2020 set thread context of 1360	2020	tmp.exe	Explorer.EXE
PID 2000 set thread context of 1360	2000	cmmon32.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 23 IoCs

Processes:

powershell.exetmp.execmmon32.exe

pid	process
916	powershell.exe
2020	tmp.exe
2020	tmp.exe
2020	tmp.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe
2000	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1360 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

tmp.execmmon32.exe

pid process

2020 tmp.exe
2020 tmp.exe
2020 tmp.exe
2020 tmp.exe
2000 cmmon32.exe
2000 cmmon32.exe

pid	process
1360	Explorer.EXE

pid	process
2020	tmp.exe
2020	tmp.exe
2020	tmp.exe
2020	tmp.exe
2000	cmmon32.exe
2000	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

tmp.exepowershell.exetmp.execmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1464	tmp.exe
Token: SeDebugPrivilege	916	powershell.exe
Token: SeDebugPrivilege	2020	tmp.exe
Token: SeDebugPrivilege	2000	cmmon32.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

tmp.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1464 wrote to memory of 916	1464	tmp.exe	powershell.exe
PID 1464 wrote to memory of 916	1464	tmp.exe	powershell.exe
PID 1464 wrote to memory of 916	1464	tmp.exe	powershell.exe
PID 1464 wrote to memory of 916	1464	tmp.exe	powershell.exe
PID 1464 wrote to memory of 2020	1464	tmp.exe	tmp.exe
PID 1464 wrote to memory of 2020	1464	tmp.exe	tmp.exe
PID 1464 wrote to memory of 2020	1464	tmp.exe	tmp.exe
PID 1464 wrote to memory of 2020	1464	tmp.exe	tmp.exe
PID 1464 wrote to memory of 2020	1464	tmp.exe	tmp.exe
PID 1464 wrote to memory of 2020	1464	tmp.exe	tmp.exe
PID 1464 wrote to memory of 2020	1464	tmp.exe	tmp.exe
PID 1360 wrote to memory of 2000	1360	Explorer.EXE	cmmon32.exe
PID 1360 wrote to memory of 2000	1360	Explorer.EXE	cmmon32.exe
PID 1360 wrote to memory of 2000	1360	Explorer.EXE	cmmon32.exe
PID 1360 wrote to memory of 2000	1360	Explorer.EXE	cmmon32.exe
PID 2000 wrote to memory of 1536	2000	cmmon32.exe	cmd.exe
PID 2000 wrote to memory of 1536	2000	cmmon32.exe	cmd.exe
PID 2000 wrote to memory of 1536	2000	cmmon32.exe	cmd.exe
PID 2000 wrote to memory of 1536	2000	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1360

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:916

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2020

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Deletes itself
PID:1536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/916-57-0x0000000000000000-mapping.dmp

Download
memory/916-59-0x000000006DEF0000-0x000000006E49B000-memory.dmp

Filesize
5.7MB

Download
memory/916-60-0x000000006DEF0000-0x000000006E49B000-memory.dmp

Filesize
5.7MB

Download
memory/1360-70-0x0000000004D40000-0x0000000004E41000-memory.dmp

Filesize
1.0MB

Download
memory/1360-83-0x0000000007B10000-0x0000000007C65000-memory.dmp

Filesize
1.3MB

Download
memory/1360-73-0x0000000006B30000-0x0000000006CB5000-memory.dmp

Filesize
1.5MB

Download
memory/1360-81-0x0000000007B10000-0x0000000007C65000-memory.dmp

Filesize
1.3MB

Download
memory/1464-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1464-56-0x0000000005B50000-0x0000000005D7C000-memory.dmp

Filesize
2.2MB

Download
memory/1464-54-0x00000000002F0000-0x00000000002F8000-memory.dmp

Filesize
32KB

Download
memory/1536-78-0x0000000000000000-mapping.dmp

Download
memory/2000-79-0x0000000002190000-0x0000000002493000-memory.dmp

Filesize
3.0MB

Download
memory/2000-74-0x0000000000000000-mapping.dmp

Download
memory/2000-80-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2000-76-0x0000000000BF0000-0x0000000000BFD000-memory.dmp

Filesize
52KB

Download
memory/2000-82-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2000-77-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2020-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2020-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2020-72-0x00000000003B0000-0x00000000003C4000-memory.dmp

Filesize
80KB

Download
memory/2020-69-0x0000000000370000-0x0000000000384000-memory.dmp

Filesize
80KB

Download
memory/2020-68-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2020-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2020-65-0x000000000041F160-mapping.dmp

Download
memory/2020-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2020-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads