formbook | 6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79

General

Target

Purchase List .exe
Size

79KB
MD5

3462a1a8071d37ce9110eaea3b9cdf50
SHA1

ccd57efa4c7330c0d351b62a362f8b7b06e35c92
SHA256

6f61a8c2f7e89c87050811f34877179ed753ea5344115e7b059da05c3f1f2b79
SHA512

4bc0636b997f78d461be2f9124e1ef83b0ea20e5af7d49b4c6aaf5fe87629aac78064c96007e4d6a8ffd288ba21c967780da365bb301d965278bcd7714272ba3
SSDEEP

1536:3YTth9Ag7qBLMeHdLfK6IVoi+pQNafOC3BSmDi:3YD7qFHTIMQQmmO

Score

10^/10

formbook 45er rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

45er

Decoy

depotpulsa.com

k2bilbao.online

bb4uoficial.com

rwc666.club

us-pservice.cyou

tricegottreats.com

zsystems.pro

qudouyin6.com

sfumaturedamore.net

pcetyy.icu

notbokin.online

beqprod.tech

flipbuilding.com

errormitigationzoo.com

zj5u603.xyz

jezzatravel.com

zmdniavysyi.shop

quinnsteele.com

522334.com

outdoorshopping.net

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
behavioral1/memory/2976-41-0x00000000042D0000-0x00000000042FF000-memory.dmp	formbook
behavioral1/memory/2976-46-0x00000000042D0000-0x00000000042FF000-memory.dmp	formbook
behavioral1/memory/2816-50-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2516 cmd.exe
Suspicious use of SetThreadContext 2 IoCs

Processes:

Purchase List .exeipconfig.exe

description pid process target process

PID 2976 set thread context of 1192 2976 Purchase List .exe Explorer.EXE
PID 2816 set thread context of 1192 2816 ipconfig.exe Explorer.EXE
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

ipconfig.exe

pid process

2816 ipconfig.exe

pid	process
2516	cmd.exe

description	pid	process	target process
PID 2976 set thread context of 1192	2976	Purchase List .exe	Explorer.EXE
PID 2816 set thread context of 1192	2816	ipconfig.exe	Explorer.EXE

pid	process
2816	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

Purchase List .exeipconfig.exe

pid	process
2976	Purchase List .exe
2976	Purchase List .exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe
2816	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Purchase List .exeipconfig.exe

pid process

2976 Purchase List .exe
2976 Purchase List .exe
2976 Purchase List .exe
2816 ipconfig.exe
2816 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Purchase List .exeipconfig.exe

description pid process

Token: SeDebugPrivilege 2976 Purchase List .exe
Token: SeDebugPrivilege 2976 Purchase List .exe
Token: SeDebugPrivilege 2816 ipconfig.exe

description	pid	process
Token: SeDebugPrivilege	2976	Purchase List .exe
Token: SeDebugPrivilege	2976	Purchase List .exe
Token: SeDebugPrivilege	2816	ipconfig.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Explorer.EXEipconfig.exe

description	pid	process	target process
PID 1192 wrote to memory of 2816	1192	Explorer.EXE	ipconfig.exe
PID 1192 wrote to memory of 2816	1192	Explorer.EXE	ipconfig.exe
PID 1192 wrote to memory of 2816	1192	Explorer.EXE	ipconfig.exe
PID 1192 wrote to memory of 2816	1192	Explorer.EXE	ipconfig.exe
PID 2816 wrote to memory of 2516	2816	ipconfig.exe	cmd.exe
PID 2816 wrote to memory of 2516	2816	ipconfig.exe	cmd.exe
PID 2816 wrote to memory of 2516	2816	ipconfig.exe	cmd.exe
PID 2816 wrote to memory of 2516	2816	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192

C:\Users\Admin\AppData\Local\Temp\Purchase List .exe
"C:\Users\Admin\AppData\Local\Temp\Purchase List .exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2976

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase List .exe"
3⤵
- Deletes itself
PID:2516

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar14B0.tmp
Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1192-45-0x0000000007860000-0x00000000079E1000-memory.dmp

Filesize
1.5MB

Download
memory/1192-44-0x0000000003CD0000-0x0000000003DD0000-memory.dmp

Filesize
1024KB

Download
memory/1192-53-0x0000000007860000-0x00000000079E1000-memory.dmp

Filesize
1.5MB

Download
memory/2816-47-0x0000000000AF0000-0x0000000000AFA000-memory.dmp

Filesize
40KB

Download
memory/2816-48-0x0000000000AF0000-0x0000000000AFA000-memory.dmp

Filesize
40KB

Download
memory/2816-50-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2976-41-0x00000000042D0000-0x00000000042FF000-memory.dmp

Filesize
188KB

Download
memory/2976-42-0x00000000741B0000-0x000000007489E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-0-0x00000000741BE000-0x00000000741BF000-memory.dmp

Filesize
4KB

Download
memory/2976-40-0x0000000002160000-0x0000000002192000-memory.dmp

Filesize
200KB

Download
memory/2976-49-0x00000000741B0000-0x000000007489E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-2-0x00000000741B0000-0x000000007489E000-memory.dmp

Filesize
6.9MB

Download
memory/2976-46-0x00000000042D0000-0x00000000042FF000-memory.dmp

Filesize
188KB

Download
memory/2976-1-0x0000000000360000-0x000000000037A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads