formbook | 95ead5f59742715dfe3b73aefd02cc41c778bdef63262431ea39188d269754fc

General

Target

943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe
Size

2.9MB
MD5

943dd70ae7ea579feea9d9bef3c30224
SHA1

3ddf2c1a0a3f8117f040340aaa4e412af52effd0
SHA256

95ead5f59742715dfe3b73aefd02cc41c778bdef63262431ea39188d269754fc
SHA512

8fefc4dc2c4467a3b75cd59066e965c16b0f9ed1f3343f850d4442ce02120aab7c77eda580dd98b1fabf87a0531eab5eeb73dba9e10af246eb1b52bfdb2cb250
SSDEEP

49152:0GBzABJzYm4/PPp5TIW6zerkrGXT7bD3qoebj6RTRXzJ3GniT/cieat3KltJTD5+:GJzYmGHvTcerk8/H3/eAXzJ3kUkbm6na

Score

10^/10

formbook 23v discovery persistence rat spyware stealer trojan upx

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

23v

Decoy

1l4m-5qeh0cgx9a.com

portsel.com

vypnxg.men

renrenbaoshangcheng.com

hulebang.com

heatburnio.com

amazingthunderworks.com

quantumreapers.com

8801i.info

moonlightmanager.com

bqypm.info

backlinkbarato.com

jiudianhuixun.com

markerbio.net

empety.com

eternalkollection.com

teknoshift.com

petitenobel.net

zlmqv.info

emotionalcontrols.com

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

Processes:

resource	yara_rule
behavioral1/memory/2664-10-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2664-16-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

help.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	help.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\1BG8NNO = "C:\\Program Files (x86)\\Wtnz\\IconCacheodylpfgp.exe"	help.exe

Executes dropped EXE 2 IoCs

Processes:

test.exetest.exe

pid	Process
3060	test.exe
2664	test.exe

Loads dropped DLL 3 IoCs

Processes:

cmd.exetest.exe

pid	Process
2740	cmd.exe
2740	cmd.exe
3060	test.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

test.exetest.exehelp.exe

description	pid	Process	procid_target
PID 3060 set thread context of 2664	3060	test.exe	33
PID 2664 set thread context of 1196	2664	test.exe	21
PID 2836 set thread context of 1196	2836	help.exe	21

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/3028-0-0x0000000000400000-0x0000000000A23000-memory.dmp	upx
behavioral1/memory/3028-15-0x0000000000400000-0x0000000000A23000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

help.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Wtnz\IconCacheodylpfgp.exe	help.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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

Processes:

943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.execmd.exetest.exehelp.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

help.exe

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1488793075-819845221-1497111674-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

test.exetest.exehelp.exe

pid	Process
3060	test.exe
2664	test.exe
2664	test.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe
2836	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

test.exetest.exehelp.exe

pid	Process
3060	test.exe
2664	test.exe
2664	test.exe
2664	test.exe
2836	help.exe
2836	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

test.exeExplorer.EXEhelp.exe

description	pid	Process
Token: SeDebugPrivilege	2664	test.exe
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeDebugPrivilege	2836	help.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.execmd.exetest.exeExplorer.EXEhelp.exe

description	pid	Process	procid_target
PID 3028 wrote to memory of 2740	3028	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe	31
PID 3028 wrote to memory of 2740	3028	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe	31
PID 3028 wrote to memory of 2740	3028	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe	31
PID 3028 wrote to memory of 2740	3028	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe	31
PID 2740 wrote to memory of 3060	2740	cmd.exe	32
PID 2740 wrote to memory of 3060	2740	cmd.exe	32
PID 2740 wrote to memory of 3060	2740	cmd.exe	32
PID 2740 wrote to memory of 3060	2740	cmd.exe	32
PID 3060 wrote to memory of 2664	3060	test.exe	33
PID 3060 wrote to memory of 2664	3060	test.exe	33
PID 3060 wrote to memory of 2664	3060	test.exe	33
PID 3060 wrote to memory of 2664	3060	test.exe	33
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	34
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	34
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	34
PID 1196 wrote to memory of 2836	1196	Explorer.EXE	34
PID 2836 wrote to memory of 2856	2836	help.exe	35
PID 2836 wrote to memory of 2856	2836	help.exe	35
PID 2836 wrote to memory of 2856	2836	help.exe	35
PID 2836 wrote to memory of 2856	2836	help.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c test.exe
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - C:\Users\Admin\AppData\Local\Temp\test.exe
      test.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:3060
    - - C:\Users\Admin\AppData\Local\Temp\test.exe
        
        test.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:2664
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\test.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\test.exe

Filesize
741KB

MD5
b47b06cff1d60c9de49274c25985ba4d

SHA1
d0a7f22d8394fdaf2c2eec1a75e574ceefbbb7bc

SHA256
1b6ec9f600599ce745b4de12b0c8c28425b03b71ccaeb2bd0178ddc374e623b5

SHA512
6f21daaaa733c6d44cf28f7753495701f866aa45c4a47249ee09d92505114db0674997033e7350a61273ebaf4adb7149c08d50b146699020f568a53e00f6077a

Download Submit
C:\Users\Admin\AppData\Roaming\8LNO-92F\8LNlogim.jpeg

Filesize
62KB

MD5
43eade0a16f756e3aa3217da83afe177

SHA1
4a771173f087e30c3cacfc152c00875a1ebe1612

SHA256
fb317a4ccf0dcea0fc3c73d8379109818dff909a040045f215ba2ab4c502b40a

SHA512
f880102bd399186eb1168371d037a387c701c51326ca6ec469f280fd8f997fe1eb3365669e6422180efbe71f0ba4bbe5de6acd9b63bb5c73dc53aa0c32e9a117

Download Submit
C:\Users\Admin\AppData\Roaming\8LNO-92F\8LNlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\8LNO-92F\8LNlogrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1196-17-0x0000000004C50000-0x0000000004D35000-memory.dmp

Filesize
916KB

Download
memory/1196-29-0x00000000051B0000-0x0000000005258000-memory.dmp

Filesize
672KB

Download
memory/1196-27-0x00000000051B0000-0x0000000005258000-memory.dmp

Filesize
672KB

Download
memory/1196-26-0x00000000051B0000-0x0000000005258000-memory.dmp

Filesize
672KB

Download
memory/2664-18-0x0000000000460000-0x0000000000545000-memory.dmp

Filesize
916KB

Download
memory/2664-16-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2664-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2836-21-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2836-20-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/3028-0-0x0000000000400000-0x0000000000A23000-memory.dmp

Filesize
6.1MB

Download
memory/3028-15-0x0000000000400000-0x0000000000A23000-memory.dmp

Filesize
6.1MB

Download
memory/3060-12-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3060-9-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/3060-7-0x0000000000270000-0x000000000027D000-memory.dmp

Filesize
52KB

Download
memory/3060-6-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads