formbook | e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c

General

Target

e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe
Size

1.0MB
MD5

db768384703a0ca55642ce5f116c8d96
SHA1

ae8ee05d3b33fdd047bfb84e6b249b395bca80d5
SHA256

e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c
SHA512

eda76970be224751ba45b04e6a34d82f12c7b1d2ce68ae67ce27f62e1a1cd3d0fadbb28f775c4ed6a258d673927ac3f7243bf925e5efc6cc01435870d1c4a6e3
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL1vCEGTsJsVV8fJanV75T3Os/oj/vOM:ffmMv6Ckr7Mny5QLFCoanTisgv+GEoZ

Score

10^/10

formbook rn94 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn94

Decoy

st68v.xyz

conciergenotary.net

qwechaotk.top

rtpdonatoto29.xyz

8ad.xyz

powermove.top

cameras-30514.bond

vanguardcoffee.shop

umoe53fxc1bsujv.buzz

consultoriamax.net

hplxx.com

ndu.wtf

yzh478c.xyz

bigbrown999.site

xiake07.asia

resdai.xyz

the35678.shop

ba6rf.rest

ceo688.com

phimxhot.xyz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2016-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2016-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2360-13-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 2016	2148	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe	30
PID 2016 set thread context of 1196	2016	svchost.exe	21
PID 2360 set thread context of 1196	2360	wuapp.exe	21

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

System Information Discovery
T1082

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	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2016	svchost.exe
2016	svchost.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe
2360	wuapp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2148	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe
2016	svchost.exe
2016	svchost.exe
2016	svchost.exe
2360	wuapp.exe
2360	wuapp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	svchost.exe
Token: SeDebugPrivilege	2360	wuapp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2016	2148	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe	30
PID 2148 wrote to memory of 2016	2148	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe	30
PID 2148 wrote to memory of 2016	2148	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe	30
PID 2148 wrote to memory of 2016	2148	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe	30
PID 2148 wrote to memory of 2016	2148	e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe	30
PID 1196 wrote to memory of 2360	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2360	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2360	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2360	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2360	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2360	1196	Explorer.EXE	31
PID 1196 wrote to memory of 2360	1196	Explorer.EXE	31
PID 2360 wrote to memory of 2888	2360	wuapp.exe	32
PID 2360 wrote to memory of 2888	2360	wuapp.exe	32
PID 2360 wrote to memory of 2888	2360	wuapp.exe	32
PID 2360 wrote to memory of 2888	2360	wuapp.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe
  "C:\Users\Admin\AppData\Local\Temp\e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e558835dc0c96c4b87ee68f5fda80ae3d64ab6285fa4795eb171c17d6d82cd4c.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2016
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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/1196-9-0x0000000007710000-0x00000000078B9000-memory.dmp

Filesize
1.7MB

Download
memory/1196-14-0x0000000007710000-0x00000000078B9000-memory.dmp

Filesize
1.7MB

Download
memory/2016-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-4-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/2016-7-0x0000000000160000-0x0000000000175000-memory.dmp

Filesize
84KB

Download
memory/2016-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2148-2-0x0000000003AC0000-0x0000000003EC0000-memory.dmp

Filesize
4.0MB

Download
memory/2360-12-0x00000000003B0000-0x00000000003BB000-memory.dmp

Filesize
44KB

Download
memory/2360-10-0x00000000003B0000-0x00000000003BB000-memory.dmp

Filesize
44KB

Download
memory/2360-13-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download

Analysis

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