formbook | 73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2025 02:49

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General

Target

73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
Size

650KB
MD5

d3b75622f7855cdb9f3eb8deaa37f75b
SHA1

6703d2b4e4f9c32224b9aae4a9c5a96844275de0
SHA256

73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430
SHA512

7e44ef7e8f50073083a161be1c80ffbeae7449273e08e64f0b7069abf8210a7c3d8d26a3164fe7540bb0c8105cf124cf61421c67c1fc68b1bd39a346a000b31c
SSDEEP

12288:+nApngDxqg/9CUfvN7uGDJHD8aHQHtpIKzTHucl7Xbqold4tpMRM:+n2ngcI9TfF7uGpDhHQNWK3VlLd4p

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4044-45-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3668-92-0x0000000000670000-0x000000000069F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2876	powershell.exe
5088	powershell.exe

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4836 set thread context of 4044	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	104
PID 4044 set thread context of 3440	4044	RegSvcs.exe	56
PID 3668 set thread context of 3440	3668	raserver.exe	56

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 6 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	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
2876	powershell.exe
5088	powershell.exe
4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
4044	RegSvcs.exe
4044	RegSvcs.exe
4044	RegSvcs.exe
4044	RegSvcs.exe
2876	powershell.exe
5088	powershell.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe
3668	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4044	RegSvcs.exe
4044	RegSvcs.exe
4044	RegSvcs.exe
3668	raserver.exe
3668	raserver.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	5088	powershell.exe
Token: SeDebugPrivilege	4044	RegSvcs.exe
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeDebugPrivilege	3668	raserver.exe
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 2876	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	93
PID 4836 wrote to memory of 2876	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	93
PID 4836 wrote to memory of 2876	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	93
PID 4836 wrote to memory of 5088	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	95
PID 4836 wrote to memory of 5088	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	95
PID 4836 wrote to memory of 5088	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	95
PID 4836 wrote to memory of 4540	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	97
PID 4836 wrote to memory of 4540	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	97
PID 4836 wrote to memory of 4540	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	97
PID 4836 wrote to memory of 324	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	101
PID 4836 wrote to memory of 324	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	101
PID 4836 wrote to memory of 324	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	101
PID 4836 wrote to memory of 216	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	103
PID 4836 wrote to memory of 216	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	103
PID 4836 wrote to memory of 216	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	103
PID 4836 wrote to memory of 4044	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	104
PID 4836 wrote to memory of 4044	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	104
PID 4836 wrote to memory of 4044	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	104
PID 4836 wrote to memory of 4044	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	104
PID 4836 wrote to memory of 4044	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	104
PID 4836 wrote to memory of 4044	4836	73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe	104
PID 3440 wrote to memory of 3668	3440	Explorer.EXE	105
PID 3440 wrote to memory of 3668	3440	Explorer.EXE	105
PID 3440 wrote to memory of 3668	3440	Explorer.EXE	105
PID 3668 wrote to memory of 3400	3668	raserver.exe	106
PID 3668 wrote to memory of 3400	3668	raserver.exe	106
PID 3668 wrote to memory of 3400	3668	raserver.exe	106

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe
  "C:\Users\Admin\AppData\Local\Temp\73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4836
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\73c0f45b365444e09376cbea6f71b5f877af98eec65f809a6b078f206a6d4430.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2876
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fGhkfgbyw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5088
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fGhkfgbyw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB09.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4540
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:324
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:216
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4044
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:3668
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
75fb401a664ad71740d9a5007a77567a

SHA1
8c221d515416dfb8ee46de29c77428b792c54549

SHA256
b3ef00f84ef3a583084d7fb26529a27260b1174d5ef481151aea8ded927a28ff

SHA512
0b925d6918045877f5b7c0632dcc1df6654cc945df8f162912f0bac9dfe3ec11aa145b646eab8931f8fad7c96522d9d27b89daae6162b735284d8514bd607645

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_by13vjdm.vni.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFB09.tmp

Filesize
1KB

MD5
a0a94acc155b53c1b299f30846e33be1

SHA1
78d488ff478153431f744cd2683c33c28b5916af

SHA256
2c8b5656e5346e39dfa010ab4959b1f57235acd4b2a7b9b1f1fb4e12c6b36a64

SHA512
397a2a2a32eafca0553ac0d70e64dfd5fe9655037148f38d67ab6d50ceca1fba9b6d118a0502f667633aabb31865c57d61ae990b2a191a1deb7964f910de3a25

Download Submit
memory/2876-77-0x0000000007090000-0x0000000007126000-memory.dmp

Filesize
600KB

Download
memory/2876-17-0x0000000004510000-0x0000000004546000-memory.dmp

Filesize
216KB

Download
memory/2876-52-0x0000000074D30000-0x0000000074D7C000-memory.dmp

Filesize
304KB

Download
memory/2876-50-0x0000000005B10000-0x0000000005B5C000-memory.dmp

Filesize
304KB

Download
memory/2876-87-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2876-81-0x0000000007150000-0x000000000716A000-memory.dmp

Filesize
104KB

Download
memory/2876-78-0x0000000007010000-0x0000000007021000-memory.dmp

Filesize
68KB

Download
memory/2876-76-0x0000000006E80000-0x0000000006E8A000-memory.dmp

Filesize
40KB

Download
memory/2876-75-0x0000000006E10000-0x0000000006E2A000-memory.dmp

Filesize
104KB

Download
memory/2876-24-0x0000000005370000-0x0000000005392000-memory.dmp

Filesize
136KB

Download
memory/2876-18-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2876-19-0x0000000004C40000-0x0000000005268000-memory.dmp

Filesize
6.2MB

Download
memory/2876-20-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2876-73-0x0000000006CE0000-0x0000000006D83000-memory.dmp

Filesize
652KB

Download
memory/2876-62-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

Filesize
120KB

Download
memory/2876-51-0x0000000006C80000-0x0000000006CB2000-memory.dmp

Filesize
200KB

Download
memory/2876-49-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

Filesize
120KB

Download
memory/3440-96-0x0000000008AB0000-0x0000000008C2D000-memory.dmp

Filesize
1.5MB

Download
memory/3668-92-0x0000000000670000-0x000000000069F000-memory.dmp

Filesize
188KB

Download
memory/3668-85-0x0000000000AF0000-0x0000000000B0F000-memory.dmp

Filesize
124KB

Download
memory/3668-86-0x0000000000AF0000-0x0000000000B0F000-memory.dmp

Filesize
124KB

Download
memory/4044-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4836-11-0x00000000072A0000-0x0000000007318000-memory.dmp

Filesize
480KB

Download
memory/4836-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/4836-6-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4836-4-0x0000000005960000-0x0000000005CB4000-memory.dmp

Filesize
3.3MB

Download
memory/4836-7-0x00000000064A0000-0x000000000653E000-memory.dmp

Filesize
632KB

Download
memory/4836-1-0x0000000000DB0000-0x0000000000E58000-memory.dmp

Filesize
672KB

Download
memory/4836-5-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/4836-9-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4836-12-0x000000000AE20000-0x000000000AEBC000-memory.dmp

Filesize
624KB

Download
memory/4836-47-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4836-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4836-10-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4836-3-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/4836-8-0x0000000006560000-0x000000000657A000-memory.dmp

Filesize
104KB

Download
memory/5088-21-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/5088-82-0x0000000007510000-0x0000000007518000-memory.dmp

Filesize
32KB

Download
memory/5088-31-0x0000000005890000-0x00000000058F6000-memory.dmp

Filesize
408KB

Download
memory/5088-80-0x0000000007430000-0x0000000007444000-memory.dmp

Filesize
80KB

Download
memory/5088-79-0x0000000007420000-0x000000000742E000-memory.dmp

Filesize
56KB

Download
memory/5088-74-0x0000000007830000-0x0000000007EAA000-memory.dmp

Filesize
6.5MB

Download
memory/5088-22-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/5088-91-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/5088-63-0x0000000074D30000-0x0000000074D7C000-memory.dmp

Filesize
304KB

Download
memory/5088-30-0x00000000050B0000-0x0000000005116000-memory.dmp

Filesize
408KB

Download