formbook | fabf08da20fd8737e3fa9f8955422c8b12d14ca6d99fd16d13cdf5eedea58c46

General

Target

Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
Size

1.1MB
MD5

7af0d42847a6c293a5792bc985991db7
SHA1

25a98dd42fc45f8bf61010ce238465c118911396
SHA256

fabf08da20fd8737e3fa9f8955422c8b12d14ca6d99fd16d13cdf5eedea58c46
SHA512

fc8184c55826f49f3d7f911de7dedd26fed5d150aece302db909b3b49e04f2b5da25433b26fe9ac25439f77466cbeecdaecd10c9646988174cda8e2ac4db8af2
SSDEEP

24576:BkxmXun404azwb4J9Rfv3Fc98ymgiTkpn:Bkxkarzwb853gZm/YJ

Score

10^/10

formbook xloader 6hsc loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

6hsc

Decoy

6cvqXARAGlgdnnbXYQ==

Mi4yZ8FULou6w26U2FDnEbA=

Xmx0bJmRZGL+O0RFfLFNN9AMdwn+

B0WNhyl4T2gWBIqE1VDnEbA=

DI2G9/sG/v6YIh42aQ==

0NTaAl90ZWYiGV/bT4U=

DWCuXrL23Cc3xdIG/0dT

fTbzys/dddqOVQ==

8ClrDFi3i+asgxBOnguhlQ==

YjOkWLSpXeqrXw==

gAIov8vbtv8vr8/tFSXvDULL7thokKA=

xMW2qsXay7xNkonR/zxPo939

xc38fRlgO2opnnbXYQ==

+o31vQlURJKmLUWfHlMq0Gjs

z6GwWxCSKJLJ

2pnQ5evpehAxUt4hd6pq9X71

2CmXDSU2DTmDR+Q=

WV9ScxFQID1V2glQnguhlQ==

L8UDlK65h9wJ7Zeb3VDnEbA=

Agb4LF2bRcDX

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3512-139-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/3512-145-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/2340-148-0x00000000001A0000-0x00000000001CD000-memory.dmp	xloader
behavioral2/memory/2340-150-0x00000000001A0000-0x00000000001CD000-memory.dmp	xloader

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:

Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	cmmon32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MJOP1NKXAF = "C:\\Program Files (x86)\\Ic6vxwfmx\\mfcjx4p56.exe"	cmmon32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exeRe Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.execmmon32.exe

description	pid	process	target process
PID 644 set thread context of 3512	644	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
PID 3512 set thread context of 3004	3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Explorer.EXE
PID 2340 set thread context of 3004	2340	cmmon32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmmon32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ic6vxwfmx\mfcjx4p56.exe cmmon32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ic6vxwfmx\mfcjx4p56.exe	cmmon32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.execmmon32.exe

pid	process
3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3004 Explorer.EXE

pid	process
3004	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.execmmon32.exe

pid	process
3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe
2340	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3512	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
Token: SeDebugPrivilege	2340	cmmon32.exe
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 644 wrote to memory of 3512	644	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
PID 644 wrote to memory of 3512	644	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
PID 644 wrote to memory of 3512	644	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
PID 644 wrote to memory of 3512	644	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
PID 644 wrote to memory of 3512	644	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
PID 644 wrote to memory of 3512	644	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe	Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
PID 3004 wrote to memory of 2340	3004	Explorer.EXE	cmmon32.exe
PID 3004 wrote to memory of 2340	3004	Explorer.EXE	cmmon32.exe
PID 3004 wrote to memory of 2340	3004	Explorer.EXE	cmmon32.exe
PID 2340 wrote to memory of 2116	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 2116	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 2116	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 1432	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 1432	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 1432	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 4264	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 4264	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 4264	2340	cmmon32.exe	cmd.exe
PID 2340 wrote to memory of 3620	2340	cmmon32.exe	Firefox.exe
PID 2340 wrote to memory of 3620	2340	cmmon32.exe	Firefox.exe
PID 2340 wrote to memory of 3620	2340	cmmon32.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004

C:\Users\Admin\AppData\Local\Temp\Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
"C:\Users\Admin\AppData\Local\Temp\Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe
"C:\Users\Admin\AppData\Local\Temp\Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3512

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Re Payment confirmation against Pro-forma INV# 001PR2022, INV# 003PR2022.exe"
3⤵
PID:2116

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1432

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4264

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
memory/644-132-0x00000000004E0000-0x0000000000600000-memory.dmp

Filesize
1.1MB

Download
memory/644-133-0x00000000056D0000-0x0000000005C74000-memory.dmp

Filesize
5.6MB

Download
memory/644-134-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/644-135-0x0000000002B50000-0x0000000002B5A000-memory.dmp

Filesize
40KB

Download
memory/644-136-0x00000000089B0000-0x0000000008A4C000-memory.dmp

Filesize
624KB

Download
memory/644-137-0x0000000008AC0000-0x0000000008B26000-memory.dmp

Filesize
408KB

Download
memory/1432-168-0x0000000000000000-mapping.dmp

Download
memory/2116-146-0x0000000000000000-mapping.dmp

Download
memory/2340-148-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2340-151-0x0000000002270000-0x0000000002300000-memory.dmp

Filesize
576KB

Download
memory/2340-144-0x0000000000000000-mapping.dmp

Download
memory/2340-150-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2340-147-0x0000000000290000-0x000000000029C000-memory.dmp

Filesize
48KB

Download
memory/2340-149-0x0000000002320000-0x000000000266A000-memory.dmp

Filesize
3.3MB

Download
memory/3004-157-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/3004-162-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/3004-143-0x0000000007970000-0x0000000007B09000-memory.dmp

Filesize
1.6MB

Download
memory/3004-152-0x0000000002850000-0x000000000292C000-memory.dmp

Filesize
880KB

Download
memory/3004-153-0x0000000002850000-0x000000000292C000-memory.dmp

Filesize
880KB

Download
memory/3004-154-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-155-0x0000000000930000-0x0000000000940000-memory.dmp

Filesize
64KB

Download
memory/3004-156-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/3004-180-0x0000000002940000-0x0000000002950000-memory.dmp

Filesize
64KB

Download
memory/3004-158-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/3004-159-0x0000000000930000-0x0000000000940000-memory.dmp

Filesize
64KB

Download
memory/3004-160-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/3004-161-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/3004-175-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3004-163-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-164-0x0000000000930000-0x0000000000940000-memory.dmp

Filesize
64KB

Download
memory/3004-165-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3004-166-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3004-167-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3004-179-0x0000000002940000-0x0000000002950000-memory.dmp

Filesize
64KB

Download
memory/3004-178-0x0000000002940000-0x0000000002950000-memory.dmp

Filesize
64KB

Download
memory/3004-177-0x0000000002930000-0x0000000002940000-memory.dmp

Filesize
64KB

Download
memory/3004-176-0x0000000002970000-0x0000000002980000-memory.dmp

Filesize
64KB

Download
memory/3004-172-0x0000000000930000-0x0000000000940000-memory.dmp

Filesize
64KB

Download
memory/3004-173-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3004-174-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3512-142-0x0000000000E40000-0x0000000000E51000-memory.dmp

Filesize
68KB

Download
memory/3512-138-0x0000000000000000-mapping.dmp

Download
memory/3512-139-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3512-141-0x0000000000EB0000-0x00000000011FA000-memory.dmp

Filesize
3.3MB

Download
memory/3512-145-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4264-170-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads