formbook | 0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e

General

Target

0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
Size

634KB
MD5

70625bcdbd35c6873bfef64197312647
SHA1

64864eed1451eae8d076458fb6bc005137d1e7c4
SHA256

0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e
SHA512

f2f709d3586c95daa1cf50715974fb0f55252142edcba96ee069b2e9ad10feb7ee83d56a68a0e7c0cc4792aacd944b4fe10de5b8459b23d80ce4f6ea2172725f
SSDEEP

12288:biETpbMlZRJIC/6GEmg3NQOqRK5sK3LIsbqZBma+LTpkh8WINLKtlcPK5S4T:HbmJIC/3DRTK3wmpmtQK5p

Score

10^/10

formbook jn17 execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jn17

Decoy

hynasty.com

africacementreview.com

5280micropantry.com

qcyu2.us

jl777-web.com

hcwsports.com

update-number-au.com

ymymvip.top

postds.buzz

dogwifnobrim.com

usapubpong.com

shopscoopido.com

medical-equipment.company

onyagu.com

tldrparent.com

jvpeople.com

seangalbraithphotography.com

ptt-gov.art

mutcosmeticsec.com

metameme.online

Signatures

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

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral1/memory/2188-3-0x0000000000310000-0x000000000032E000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2708-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2548	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33

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

System Information Discovery
T1082

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/Job

T1053

pid	Process
2604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
2708	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
2548	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
Token: SeDebugPrivilege	2548	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2548	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	28
PID 2188 wrote to memory of 2548	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	28
PID 2188 wrote to memory of 2548	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	28
PID 2188 wrote to memory of 2548	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	28
PID 2188 wrote to memory of 2604	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	30
PID 2188 wrote to memory of 2604	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	30
PID 2188 wrote to memory of 2604	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	30
PID 2188 wrote to memory of 2604	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	30
PID 2188 wrote to memory of 2460	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	32
PID 2188 wrote to memory of 2460	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	32
PID 2188 wrote to memory of 2460	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	32
PID 2188 wrote to memory of 2460	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	32
PID 2188 wrote to memory of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33
PID 2188 wrote to memory of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33
PID 2188 wrote to memory of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33
PID 2188 wrote to memory of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33
PID 2188 wrote to memory of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33
PID 2188 wrote to memory of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33
PID 2188 wrote to memory of 2708	2188	0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe	33

C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
"C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mIsRPVu.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mIsRPVu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EAE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2604
- C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
  "C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe"
  2⤵
  PID:2460
- C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe
  "C:\Users\Admin\AppData\Local\Temp\0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2EAE.tmp

Filesize
1KB

MD5
2183fdd13439be1a069846324d2eddcd

SHA1
cccb0ba116683e5db28c99e950540baa0272eea1

SHA256
c108bf1a5a53c608e0450860ec7e1fc4659e42c291378423ff34262ee506acdc

SHA512
d06a6cd4b42c4f98af2e74ca7f53101aafb43c19fd8e33a1c4abbd8c956d75defda76db7f0244a536bc98dad8448af266e6af9aa3cf6cd868aaa66a47d50abd3

Download Submit
memory/2188-6-0x0000000005560000-0x00000000055D6000-memory.dmp

Filesize
472KB

Download
memory/2188-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-3-0x0000000000310000-0x000000000032E000-memory.dmp

Filesize
120KB

Download
memory/2188-4-0x0000000000330000-0x0000000000340000-memory.dmp

Filesize
64KB

Download
memory/2188-5-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/2188-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2188-1-0x0000000000080000-0x0000000000124000-memory.dmp

Filesize
656KB

Download
memory/2188-20-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads