formbook | e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96

General

Target

e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe
Size

747KB
MD5

86882908b1bf788112a2da6bfde08a7c
SHA1

995c4ab5a4bab535066635f287f87799691f4ff8
SHA256

e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96
SHA512

88af00ef5a33ef12208ea42e51b1892f127bb755b3032beef8bc3d281685d9fb82721cc85bce672740773dca38c2f55a816175effa45a86bec69e20b48783321

Score

10^/10

formbook metastealer fs8 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs8

Decoy

deanpalm.net

dinu-living.com

setsomegoals.com

craftyfresh.email

cleantons.com

szysjfjx.com

shestakova.info

70skinstore.com

ampletrade.ltd

cmmcwomen.group

michinoeki-taka.com

auntoni.com

huochegw.com

abovekulture.com

gzjige.com

americastandproudagain.com

hobbyhousekennels.com

1020waterviewdrive.com

5927399.com

gabipareras.net

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

Formbook Payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4068-134-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1664-141-0x0000000000A60000-0x0000000000A8E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Control Panel\International\Geo\Nation	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4752 set thread context of 4068	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	95
PID 4068 set thread context of 764	4068	RegSvcs.exe	35
PID 1664 set thread context of 764	1664	explorer.exe	35

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe
4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe
4068	RegSvcs.exe
4068	RegSvcs.exe
4068	RegSvcs.exe
4068	RegSvcs.exe
1664	explorer.exe
1664	explorer.exe
1664	explorer.exe
1664	explorer.exe
1664	explorer.exe
1664	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4068	RegSvcs.exe
4068	RegSvcs.exe
4068	RegSvcs.exe
1664	explorer.exe
1664	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe
Token: SeDebugPrivilege	4068	RegSvcs.exe
Token: SeDebugPrivilege	1664	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
764	Explorer.EXE
764	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 824	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	92
PID 4752 wrote to memory of 824	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	92
PID 4752 wrote to memory of 824	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	92
PID 4752 wrote to memory of 2940	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	94
PID 4752 wrote to memory of 2940	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	94
PID 4752 wrote to memory of 2940	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	94
PID 4752 wrote to memory of 4068	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	95
PID 4752 wrote to memory of 4068	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	95
PID 4752 wrote to memory of 4068	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	95
PID 4752 wrote to memory of 4068	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	95
PID 4752 wrote to memory of 4068	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	95
PID 4752 wrote to memory of 4068	4752	e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe	95
PID 764 wrote to memory of 1664	764	Explorer.EXE	96
PID 764 wrote to memory of 1664	764	Explorer.EXE	96
PID 764 wrote to memory of 1664	764	Explorer.EXE	96
PID 1664 wrote to memory of 4116	1664	explorer.exe	97
PID 1664 wrote to memory of 4116	1664	explorer.exe	97
PID 1664 wrote to memory of 4116	1664	explorer.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:764
- C:\Users\Admin\AppData\Local\Temp\e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe
  "C:\Users\Admin\AppData\Local\Temp\e2328874b4deb0accd85b76ba1a5f7734dc7e70ff17f4722bf9158d54a0aab96.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\atPWLmI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp28E5.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:824
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    PID:2940
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4068
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:4116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp28E5.tmp

Filesize
1KB

MD5
e85de933c16e13b66a1c5e6630b9511d

SHA1
f94a4a60a461429e8441941d6b01576e82dbfbb3

SHA256
823cc84ebeb177ec7149ed9f2a22b8e2048d61a279b7724e503281fd7feb639b

SHA512
b464d79d84a866001330c611b2a1c131ed7fa22510e537267f33540b7af6954ad4f34af1c32e49bfb6b4a14c8318aa3459a0b0ace56dfc5952c430ff1faac193

Download Submit
memory/764-138-0x0000000003200000-0x00000000032CD000-memory.dmp

Filesize
820KB

Download
memory/764-145-0x00000000087A0000-0x0000000008839000-memory.dmp

Filesize
612KB

Download
memory/1664-144-0x00000000028A0000-0x0000000002933000-memory.dmp

Filesize
588KB

Download
memory/1664-142-0x0000000002A60000-0x0000000002DAA000-memory.dmp

Filesize
3.3MB

Download
memory/1664-141-0x0000000000A60000-0x0000000000A8E000-memory.dmp

Filesize
184KB

Download
memory/1664-140-0x0000000000280000-0x00000000006B3000-memory.dmp

Filesize
4.2MB

Download
memory/4068-134-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4068-135-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/4068-137-0x0000000000B80000-0x0000000000B94000-memory.dmp

Filesize
80KB

Download
memory/4752-124-0x0000000000B40000-0x0000000000C02000-memory.dmp

Filesize
776KB

Download
memory/4752-129-0x0000000008D90000-0x0000000008E2C000-memory.dmp

Filesize
624KB

Download
memory/4752-128-0x0000000008FE0000-0x000000000950C000-memory.dmp

Filesize
5.2MB

Download
memory/4752-127-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/4752-126-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/4752-125-0x000000000A060000-0x000000000A604000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads