formbook | e889bc4361aa8e1a5fff453e4fc79b363cbba4dd3b1bf2db424f02e573a4616c

General

Target

5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe
Size

494KB
MD5

ea3273fb77952fe29c1a88dd80373815
SHA1

1ef9233f00ef54a305c7886a8930205d19aca664
SHA256

5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f
SHA512

cebf5707c7c9692eb1f4d47ff8860f0437947709f65f1b1598de889a23d5f3b71f126f204a314a1c5b2151bfc88c92d1e3361585f4234704a1a13487060c5bb8
SSDEEP

12288:0YvZWl6jiQ+sds3lXX3PgAgsFCQ73kUaP5OeJLFzaWdN8bx:0Yvwkjus+lXX3IAZFR73kUaP5bJ8pV

Score

10^/10

formbook gs2m discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gs2m

Decoy

esdaycosmetics.com

reviewthesethings.com

380134.com

privategdcams.com

alp-n-rock.com

podgatherings.com

terrasombrafarms.com

pepperhaul.com

alsiha2020.com

coins4ever.com

divaihome.com

patinahomebyivonne.com

mywaytoindependence.com

meetsoleil.com

lifecoachingandtraining.com

jiangxishangren.com

vermontcounteystore.com

mescaping.com

angellahskitchen.com

owlhoster.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
behavioral2/memory/4208-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4208-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3912-22-0x0000000000560000-0x000000000058F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3428 set thread context of 4208	3428	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe	93
PID 4208 set thread context of 3392	4208	MSBuild.exe	56
PID 3912 set thread context of 3392	3912	colorcpl.exe	56

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
4208	MSBuild.exe
4208	MSBuild.exe
4208	MSBuild.exe
4208	MSBuild.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe
3912	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4208	MSBuild.exe
4208	MSBuild.exe
4208	MSBuild.exe
3912	colorcpl.exe
3912	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4208	MSBuild.exe
Token: SeDebugPrivilege	3912	colorcpl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 4208	3428	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe	93
PID 3428 wrote to memory of 4208	3428	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe	93
PID 3428 wrote to memory of 4208	3428	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe	93
PID 3428 wrote to memory of 4208	3428	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe	93
PID 3428 wrote to memory of 4208	3428	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe	93
PID 3428 wrote to memory of 4208	3428	5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe	93
PID 3392 wrote to memory of 3912	3392	Explorer.EXE	102
PID 3392 wrote to memory of 3912	3392	Explorer.EXE	102
PID 3392 wrote to memory of 3912	3392	Explorer.EXE	102
PID 3912 wrote to memory of 3900	3912	colorcpl.exe	103
PID 3912 wrote to memory of 3900	3912	colorcpl.exe	103
PID 3912 wrote to memory of 3900	3912	colorcpl.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe
  "C:\Users\Admin\AppData\Local\Temp\5b78695e898c8a3056adf8ee556007d174ddb2c3bff377c0ca53a30746419c0f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3428
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4208
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3332
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2128
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2820
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1560
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2532
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4900
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4356
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1556
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:3912
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3900

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/3392-30-0x00000000089D0000-0x0000000008A96000-memory.dmp

Filesize
792KB

Download
memory/3392-19-0x0000000003400000-0x000000000354E000-memory.dmp

Filesize
1.3MB

Download
memory/3392-23-0x0000000003400000-0x000000000354E000-memory.dmp

Filesize
1.3MB

Download
memory/3392-27-0x00000000089D0000-0x0000000008A96000-memory.dmp

Filesize
792KB

Download
memory/3392-28-0x00000000089D0000-0x0000000008A96000-memory.dmp

Filesize
792KB

Download
memory/3428-4-0x0000000005710000-0x000000000571A000-memory.dmp

Filesize
40KB

Download
memory/3428-6-0x0000000005650000-0x000000000565E000-memory.dmp

Filesize
56KB

Download
memory/3428-7-0x00000000059A0000-0x0000000005A3C000-memory.dmp

Filesize
624KB

Download
memory/3428-8-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/3428-9-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3428-10-0x00000000065E0000-0x0000000006654000-memory.dmp

Filesize
464KB

Download
memory/3428-11-0x0000000006650000-0x0000000006690000-memory.dmp

Filesize
256KB

Download
memory/3428-5-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3428-14-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/3428-0-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x0000000005660000-0x00000000056F2000-memory.dmp

Filesize
584KB

Download
memory/3428-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/3428-1-0x0000000000BE0000-0x0000000000C62000-memory.dmp

Filesize
520KB

Download
memory/3912-20-0x0000000000E40000-0x0000000000E59000-memory.dmp

Filesize
100KB

Download
memory/3912-21-0x0000000000E40000-0x0000000000E59000-memory.dmp

Filesize
100KB

Download
memory/3912-22-0x0000000000560000-0x000000000058F000-memory.dmp

Filesize
188KB

Download
memory/4208-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4208-18-0x0000000001460000-0x0000000001475000-memory.dmp

Filesize
84KB

Download
memory/4208-15-0x0000000001560000-0x00000000018AA000-memory.dmp

Filesize
3.3MB

Download
memory/4208-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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