formbook | aa4fde12b9f19c7e808afcac87317972c6f6fec9b3a53e0bd80d2a02e7aed01f

General

Target

zYqJmECKmhz499J.exe
Size

1.1MB
MD5

54a60fa86dd57e95fc68c25d2d2949a7
SHA1

cac7af8b3cdeb3bc61593311f3a6851c82d01a69
SHA256

b2bd364a32ee75888d9343bfc3a16b9eb58151fd94b4f3c38890f6ba2256b2e8
SHA512

b95cfb7209f92084d0a70126e123d009f5b170a5526eeefcebeae136779952a02a90e4f799b18759ab21fd9c4277234cbba24f0d81b23d183dddebe49d61a692
SSDEEP

12288:DJPgbYHTFyemCjEpTx0pchoZ2XjpXV8ME03wBwMfkc14c1L/UxDbX6U55uQIjLmf:XzFyEE2choONl8z0ATfkcacJYjAo

Score

10^/10

formbook uegp discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

uegp

Decoy

firstregaljewellers.com

highgateshop.com

sorialab4.online

kurzneck.com

zonetechservices.com

akibul.net

khukhuanphongkham.com

lovelessneilsen.online

scholarlyresearch-guide.net

jagodda.com

comitivatratando.com

ynqjnx.com

rodarle.xyz

heroesjourneynft.com

weltreise.xyz

enstao.com

istilllmail.com

malayaoudh.com

xsdgia.com

palisadeslodging.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2892-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2892-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2868-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2916	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2140 set thread context of 2892	2140	zYqJmECKmhz499J.exe	31
PID 2892 set thread context of 1196	2892	zYqJmECKmhz499J.exe	21
PID 2868 set thread context of 1196	2868	NETSTAT.EXE	21

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zYqJmECKmhz499J.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2868	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2892	zYqJmECKmhz499J.exe
2892	zYqJmECKmhz499J.exe
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE
2868	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2892	zYqJmECKmhz499J.exe
2892	zYqJmECKmhz499J.exe
2892	zYqJmECKmhz499J.exe
2868	NETSTAT.EXE
2868	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	zYqJmECKmhz499J.exe
Token: SeDebugPrivilege	2868	NETSTAT.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2892	2140	zYqJmECKmhz499J.exe	31
PID 2140 wrote to memory of 2892	2140	zYqJmECKmhz499J.exe	31
PID 2140 wrote to memory of 2892	2140	zYqJmECKmhz499J.exe	31
PID 2140 wrote to memory of 2892	2140	zYqJmECKmhz499J.exe	31
PID 2140 wrote to memory of 2892	2140	zYqJmECKmhz499J.exe	31
PID 2140 wrote to memory of 2892	2140	zYqJmECKmhz499J.exe	31
PID 2140 wrote to memory of 2892	2140	zYqJmECKmhz499J.exe	31
PID 1196 wrote to memory of 2868	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2868	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2868	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2868	1196	Explorer.EXE	32
PID 2868 wrote to memory of 2916	2868	NETSTAT.EXE	33
PID 2868 wrote to memory of 2916	2868	NETSTAT.EXE	33
PID 2868 wrote to memory of 2916	2868	NETSTAT.EXE	33
PID 2868 wrote to memory of 2916	2868	NETSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe
  "C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2892
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1196-19-0x0000000006120000-0x00000000061DC000-memory.dmp

Filesize
752KB

Download
memory/1196-25-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1196-23-0x0000000006120000-0x00000000061DC000-memory.dmp

Filesize
752KB

Download
memory/1196-18-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2140-5-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-6-0x00000000049B0000-0x0000000004A38000-memory.dmp

Filesize
544KB

Download
memory/2140-7-0x0000000004AA0000-0x0000000004AD4000-memory.dmp

Filesize
208KB

Download
memory/2140-1-0x0000000000870000-0x0000000000998000-memory.dmp

Filesize
1.2MB

Download
memory/2140-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-13-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2140-4-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2140-3-0x00000000002E0000-0x00000000002EA000-memory.dmp

Filesize
40KB

Download
memory/2868-20-0x0000000000C20000-0x0000000000C29000-memory.dmp

Filesize
36KB

Download
memory/2868-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2868-21-0x0000000000C20000-0x0000000000C29000-memory.dmp

Filesize
36KB

Download
memory/2892-14-0x0000000000B30000-0x0000000000E33000-memory.dmp

Filesize
3.0MB

Download
memory/2892-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2892-17-0x0000000000290000-0x00000000002A5000-memory.dmp

Filesize
84KB

Download
memory/2892-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2892-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2892-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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