formbook | a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad

General

Target

a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
Size

913KB
MD5

7a37f59f86f494bd672237e660b3389c
SHA1

811bc7fb1a470ca91165e2450a0fd33e0ee663af
SHA256

a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad
SHA512

8217869012dbc876b900d55c971228e9eabe1171b20c75ac7c0129f74229588fd455135e5155bcd1c751c37e8f369bacb7c9a2201646f218a11c6adffd8b644b
SSDEEP

12288:T5zlrGP6oP8qZExrT9sg98NBXdAyq+RDN+3bZY+:PiPn5ZwrpH85A9+RDo

Score

10^/10

formbook bwe0 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

bwe0

Decoy

GA8abA96SLI=

RjM/QAsrNyRPlNEjahNMdKXlPtbXpQ==

rOQ4ySihIKVFhRnhZxfZ

iSnyAlGXQBSBwz1C

SYfcQ54ijGWAuQq1UQTE

XRcVgsQIO8FVnvCOiHLvE3k=

K2XLULRJuod6I3dO

S4oH5i5i3+expw==

4hZdto3RgCY9esve1k7T5x9YPw==

fkpgXDuEv2NzvxCcq2AxMnE=

13czFGvtsco1gf8=

ub4KhXCsZ/qnnvYTijN3dA==

WD5IRIcJB51Hfs8grBnldA==

YqxA1LPudXGKyP1FlQ==

MZHXMBdZ8Mf2X3ZjSVY=

7mLLNhchknqdLVbz+6ci4VeD

66OK6kmRv8N6I3dO

+97y8jK5vTnIn8crIwyHnRxv03Kp

PC1PqPJ6573fH0aUnGAxMnE=

3BFlt4nJcA3Inb3TGO02bq++XzWRMVg=

Signatures

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

Processes:

a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exeRegSvcs.exe

description	pid	process	target process
PID 1076 set thread context of 5088	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	RegSvcs.exe
PID 5088 set thread context of 2080	5088	RegSvcs.exe	Explorer.EXE

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

Processes:

schtasks.exe

pid process

4712 schtasks.exe

pid	process
4712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exepowershell.exeRegSvcs.exe

pid	process
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
4952	powershell.exe
1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
5088	RegSvcs.exe
5088	RegSvcs.exe
5088	RegSvcs.exe
5088	RegSvcs.exe
5088	RegSvcs.exe
5088	RegSvcs.exe
5088	RegSvcs.exe
5088	RegSvcs.exe
4952	powershell.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

RegSvcs.exe

pid process

5088 RegSvcs.exe
5088 RegSvcs.exe
5088 RegSvcs.exe

pid	process
5088	RegSvcs.exe
5088	RegSvcs.exe
5088	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
Token: SeDebugPrivilege	4952	powershell.exe
Token: SeDebugPrivilege	5088	RegSvcs.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exeExplorer.EXE

description	pid	process	target process
PID 1076 wrote to memory of 4952	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	powershell.exe
PID 1076 wrote to memory of 4952	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	powershell.exe
PID 1076 wrote to memory of 4952	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	powershell.exe
PID 1076 wrote to memory of 4712	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	schtasks.exe
PID 1076 wrote to memory of 4712	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	schtasks.exe
PID 1076 wrote to memory of 4712	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	schtasks.exe
PID 1076 wrote to memory of 5088	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	RegSvcs.exe
PID 1076 wrote to memory of 5088	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	RegSvcs.exe
PID 1076 wrote to memory of 5088	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	RegSvcs.exe
PID 1076 wrote to memory of 5088	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	RegSvcs.exe
PID 1076 wrote to memory of 5088	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	RegSvcs.exe
PID 1076 wrote to memory of 5088	1076	a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe	RegSvcs.exe
PID 2080 wrote to memory of 4608	2080	Explorer.EXE	mstsc.exe
PID 2080 wrote to memory of 4608	2080	Explorer.EXE	mstsc.exe
PID 2080 wrote to memory of 4608	2080	Explorer.EXE	mstsc.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:2080

C:\Users\Admin\AppData\Local\Temp\a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe
"C:\Users\Admin\AppData\Local\Temp\a1c968590da09ecc1af225059c8b86af05f84465ff069b5327ea9c25172201ad.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FBZUkDpXKX.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4952

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FBZUkDpXKX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6E9.tmp"
3⤵
- Creates scheduled task(s)
PID:4712

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:5088

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
PID:4608

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\tmpA6E9.tmp
Filesize
1KB

MD5
c51ae6daedcbcb29cb568ad81aa73ffb

SHA1
64a4153689df71cd042e7835240bdbb271604bfd

SHA256
f35befaa8e1dcf19ee09bdfe443a7831f2a1f019694422fe6e8a9621d0cf07b5

SHA512
45eeecac1cdeb1498e67cf31dfb9e21ab3f627bd79b38b8efa6a805239e5a4938f910f63144a9eb85ace71dc4dfb874c5ac2a33274493a171a1c67219e0ea859

Download Submit
memory/1076-137-0x00000000091E0000-0x0000000009246000-memory.dmp

Filesize
408KB

Download
memory/1076-133-0x0000000005A40000-0x0000000005FE4000-memory.dmp

Filesize
5.6MB

Download
memory/1076-134-0x00000000053D0000-0x0000000005462000-memory.dmp

Filesize
584KB

Download
memory/1076-136-0x0000000008D80000-0x0000000008E1C000-memory.dmp

Filesize
624KB

Download
memory/1076-132-0x0000000000950000-0x0000000000A3A000-memory.dmp

Filesize
936KB

Download
memory/1076-135-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/2080-151-0x0000000003310000-0x0000000003468000-memory.dmp

Filesize
1.3MB

Download
memory/4608-153-0x0000000000000000-mapping.dmp

Download
memory/4608-155-0x0000000000BA0000-0x0000000000BCB000-memory.dmp

Filesize
172KB

Download
memory/4608-154-0x0000000000610000-0x000000000074A000-memory.dmp

Filesize
1.2MB

Download
memory/4712-139-0x0000000000000000-mapping.dmp

Download
memory/4952-146-0x0000000005320000-0x0000000005386000-memory.dmp

Filesize
408KB

Download
memory/4952-141-0x0000000004C10000-0x0000000005238000-memory.dmp

Filesize
6.2MB

Download
memory/4952-140-0x0000000002120000-0x0000000002156000-memory.dmp

Filesize
216KB

Download
memory/4952-152-0x0000000005A90000-0x0000000005AAE000-memory.dmp

Filesize
120KB

Download
memory/4952-138-0x0000000000000000-mapping.dmp

Download
memory/4952-144-0x0000000005280000-0x00000000052A2000-memory.dmp

Filesize
136KB

Download
memory/5088-148-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5088-149-0x0000000001730000-0x0000000001A7A000-memory.dmp

Filesize
3.3MB

Download
memory/5088-143-0x0000000000000000-mapping.dmp

Download
memory/5088-150-0x0000000001290000-0x00000000012A0000-memory.dmp

Filesize
64KB

Download
memory/5088-145-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads