formbook | bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6

General

Target

bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe
Size

711KB
MD5

edb164a751c9dd9defabe5b4912ffb12
SHA1

d79237920e7447a87082f1bbab77ee54e704479e
SHA256

bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6
SHA512

889f4858b07a2ee35895119e261d98b4bdc862f35cc9aee6500a4465eb3df790693532370cee9ea349a3226cd250a65836a3336cf6c47888f5240130df9af7fb
SSDEEP

12288:3p8XtgNO7LkxA22P4Qd9PbQ8BV5RdYH5cb0azdG9A2MatDX5FAMFfSm2cb54:ZePuA/ZJBlqaQaz89A2ttDX5tt

Score

10^/10

formbook gd04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd04

Decoy

f5u8utd50.icu

ob-offer-33304.bond

aaf.zone

hoppersrack.store

nline-gaming-33476.bond

isionaryvault.online

ilitary-jobs-88516.bond

iyxym.info

eyes.xyz

refle.xyz

kinsmonlkey.shop

oruu.shop

est2x2.online

nline-advertising-77889.bond

hepresspoolai.xyz

anilaberg.online

reimutigleben.store

anguage-courses-22450.bond

zzt.xyz

kfn.lat

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/2736-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4572 set thread context of 2736	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	100

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	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe
4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe
2736	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe
2736	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 2308	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	99
PID 4572 wrote to memory of 2308	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	99
PID 4572 wrote to memory of 2308	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	99
PID 4572 wrote to memory of 2736	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	100
PID 4572 wrote to memory of 2736	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	100
PID 4572 wrote to memory of 2736	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	100
PID 4572 wrote to memory of 2736	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	100
PID 4572 wrote to memory of 2736	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	100
PID 4572 wrote to memory of 2736	4572	bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe	100

C:\Users\Admin\AppData\Local\Temp\bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe
"C:\Users\Admin\AppData\Local\Temp\bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Users\Admin\AppData\Local\Temp\bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe
  "C:\Users\Admin\AppData\Local\Temp\bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe"
  2⤵
  PID:2308
- C:\Users\Admin\AppData\Local\Temp\bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe
  "C:\Users\Admin\AppData\Local\Temp\bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2736

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/2736-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2736-14-0x00000000018C0000-0x0000000001C0A000-memory.dmp

Filesize
3.3MB

Download
memory/4572-6-0x0000000007C00000-0x0000000007C18000-memory.dmp

Filesize
96KB

Download
memory/4572-3-0x0000000007730000-0x00000000077C2000-memory.dmp

Filesize
584KB

Download
memory/4572-4-0x0000000002B80000-0x0000000002B8A000-memory.dmp

Filesize
40KB

Download
memory/4572-5-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4572-0-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/4572-7-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/4572-8-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4572-9-0x0000000008FF0000-0x000000000906A000-memory.dmp

Filesize
488KB

Download
memory/4572-10-0x0000000007420000-0x00000000074BC000-memory.dmp

Filesize
624KB

Download
memory/4572-2-0x0000000007C20000-0x00000000081C4000-memory.dmp

Filesize
5.6MB

Download
memory/4572-13-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/4572-1-0x0000000000920000-0x00000000009D6000-memory.dmp

Filesize
728KB

Download

Analysis

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