formbook | 514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339

General

Target

514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe
Size

1.7MB
MD5

f68b936e01d0fe86629f55b5f4de3405
SHA1

dc8f0f005d0fd3a8c508f8e2e12a324440bb5164
SHA256

514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339
SHA512

9db64b2e675a741e165d6d65d3c2bdf7b2126a018b0ce1e1a92daf4fabbad5e40bd25bf913d59e0f7ea1ac03b081cab7f0de1f56ca9f7360df24b485dcc7263b
SSDEEP

24576:A/jWyB2cRZnMMWRk2Cm+OXpDLO/hLK6xXjV3MBsnd:A/jrBBRZnMJRk2H+OVLO/hLK6xXqg

Score

10^/10

formbook hs94 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hs94

Decoy

hrnlius.com

righthouse39.store

nh12dgsdh.top

d6es.com

qjgx8ol.xyz

claricraft.com

amor-de-luxo.com

triokitchenbar.com

britlleysantos.com

hairluxe.info

openclosetstore.com

edubraintoys.com

goldeneaglescoin.com

mayacottage.com

taekyoong.com

mahiguel.com

dramulyamullapudi.com

osaruru.com

momaustralia.com

xiaotu.gay

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2640-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2640-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2720-23-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2720-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2640 set thread context of 1260	2640	InstallUtil.exe	13
PID 2720 set thread context of 1260	2720	ipconfig.exe	13

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
2720	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe
2640	InstallUtil.exe
2640	InstallUtil.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1260	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2640	InstallUtil.exe
2640	InstallUtil.exe
2640	InstallUtil.exe
2720	ipconfig.exe
2720	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe
Token: SeDebugPrivilege	2640	InstallUtil.exe
Token: SeDebugPrivilege	2720	ipconfig.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 2920 wrote to memory of 2640	2920	514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe	28
PID 1260 wrote to memory of 2720	1260	Explorer.EXE	29
PID 1260 wrote to memory of 2720	1260	Explorer.EXE	29
PID 1260 wrote to memory of 2720	1260	Explorer.EXE	29
PID 1260 wrote to memory of 2720	1260	Explorer.EXE	29
PID 2720 wrote to memory of 2592	2720	ipconfig.exe	30
PID 2720 wrote to memory of 2592	2720	ipconfig.exe	30
PID 2720 wrote to memory of 2592	2720	ipconfig.exe	30
PID 2720 wrote to memory of 2592	2720	ipconfig.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe
  "C:\Users\Admin\AppData\Local\Temp\514797a6bc29a3576aab268de1a8fed7df7adba5f77c4b7f6c8d91c1567d9339.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2640
- 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:2720
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    PID:2592

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1260-19-0x0000000000080000-0x0000000000180000-memory.dmp

Filesize
1024KB

Download
memory/1260-33-0x0000000004C10000-0x0000000004CDB000-memory.dmp

Filesize
812KB

Download
memory/1260-30-0x0000000006B80000-0x0000000006CB6000-memory.dmp

Filesize
1.2MB

Download
memory/1260-29-0x0000000004C10000-0x0000000004CDB000-memory.dmp

Filesize
812KB

Download
memory/1260-28-0x0000000004C10000-0x0000000004CDB000-memory.dmp

Filesize
812KB

Download
memory/1260-20-0x0000000006B80000-0x0000000006CB6000-memory.dmp

Filesize
1.2MB

Download
memory/2640-18-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2640-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-15-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/2720-22-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2720-24-0x0000000002240000-0x0000000002543000-memory.dmp

Filesize
3.0MB

Download
memory/2720-27-0x0000000000570000-0x0000000000603000-memory.dmp

Filesize
588KB

Download
memory/2720-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2720-21-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2720-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2920-0-0x00000000002C0000-0x0000000000486000-memory.dmp

Filesize
1.8MB

Download
memory/2920-14-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-5-0x00000000008A0000-0x00000000008EE000-memory.dmp

Filesize
312KB

Download
memory/2920-6-0x0000000000930000-0x000000000097C000-memory.dmp

Filesize
304KB

Download
memory/2920-4-0x0000000000750000-0x000000000079E000-memory.dmp

Filesize
312KB

Download
memory/2920-3-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/2920-2-0x00000000006F0000-0x0000000000756000-memory.dmp

Filesize
408KB

Download
memory/2920-1-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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