formbook | 956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4

General

Target

956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe
Size

784KB
MD5

fab057e49c317d42f565ef0efe766557
SHA1

ebdcbb656a7d0d9ca8c29239a190e1d0265573cd
SHA256

956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4
SHA512

61c4aac488e50417d01a5ae009c927941a45d8729c98baea372ff2a920da9f33fe4c6a222edf178a17b85e74403a1d8a1eac5ed7b262e7934f973b4552e8c737
SSDEEP

12288:xld0Nhc1y3GJO4HIZAsoBYHy8OQHTV0zTafJbtqemyjWIBJC:jy94HIZAsby7QzV0SRd

Score

10^/10

formbook ps15 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1128-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3088 set thread context of 1128	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	95

System Location Discovery: System Language Discovery 1 TTPs 1 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	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe
3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe
1128	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe
1128	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 4836	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	94
PID 3088 wrote to memory of 4836	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	94
PID 3088 wrote to memory of 4836	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	94
PID 3088 wrote to memory of 1128	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	95
PID 3088 wrote to memory of 1128	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	95
PID 3088 wrote to memory of 1128	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	95
PID 3088 wrote to memory of 1128	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	95
PID 3088 wrote to memory of 1128	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	95
PID 3088 wrote to memory of 1128	3088	956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe	95

C:\Users\Admin\AppData\Local\Temp\956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe
"C:\Users\Admin\AppData\Local\Temp\956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3088
- C:\Users\Admin\AppData\Local\Temp\956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe
  "C:\Users\Admin\AppData\Local\Temp\956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe"
  2⤵
  PID:4836
- C:\Users\Admin\AppData\Local\Temp\956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe
  "C:\Users\Admin\AppData\Local\Temp\956c41761587ea08a6eb3fca5b047ec8a3145a2d3ced9d8d3967ab351891bad4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1128-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1128-15-0x00000000012C0000-0x000000000160A000-memory.dmp

Filesize
3.3MB

Download
memory/3088-6-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/3088-3-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/3088-4-0x0000000005400000-0x0000000005754000-memory.dmp

Filesize
3.3MB

Download
memory/3088-5-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/3088-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/3088-7-0x00000000080F0000-0x00000000081B2000-memory.dmp

Filesize
776KB

Download
memory/3088-8-0x00000000058F0000-0x000000000590A000-memory.dmp

Filesize
104KB

Download
memory/3088-9-0x00000000068C0000-0x00000000068CE000-memory.dmp

Filesize
56KB

Download
memory/3088-10-0x00000000069A0000-0x0000000006A16000-memory.dmp

Filesize
472KB

Download
memory/3088-11-0x000000000A6F0000-0x000000000A78C000-memory.dmp

Filesize
624KB

Download
memory/3088-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/3088-14-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/3088-1-0x0000000000800000-0x00000000008CA000-memory.dmp

Filesize
808KB

Download

Analysis

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