c8ad659946568b83fea351622cb5f8ea5ae4bec77f0f20d16a76613d169b5924

General

Target

eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe
Size

820KB
MD5

eb0bbb93c2b57bd59273e930840c904f
SHA1

dac9be6b078b0d48cd3a87059656978e9892c0d6
SHA256

c8ad659946568b83fea351622cb5f8ea5ae4bec77f0f20d16a76613d169b5924
SHA512

cf1d430b18c3493cf9283ddf55a74aad6c0b4e2182b26f0b30eba6691f989d12278d5a67268841f07b35025198651a54887991744db62d36e283e156b5d672e9
SSDEEP

12288:1Io+/Ip6HonjnSGc96AxyWTs7lZHYNCPckHrwGYSRPozE:17YI4HOVwTw9XH44A

Score

9^/10

collection credential_access discovery stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 8 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/2284-14-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/2284-16-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/2284-17-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/2284-23-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/1120-25-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1120-27-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1120-28-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1120-30-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1120-25-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1120-27-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1120-28-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1120-30-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/2284-14-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/2284-16-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/2284-17-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/2284-23-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
45	bot.whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3304 set thread context of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 1936 set thread context of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 set thread context of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93

System Location Discovery: System Language Discovery 1 TTPs 4 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	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
2284	vbc.exe
1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe
1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 3304 wrote to memory of 1936	3304	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	91
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 2284	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	92
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93
PID 1936 wrote to memory of 1120	1936	eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Users\Admin\AppData\Local\Temp\eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp7C8E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:2284
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp8096.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:1120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\eb0bbb93c2b57bd59273e930840c904f_JaffaCakes118.exe.log

Filesize
500B

MD5
f3bfbe5958adfc86cc0ea0a8317ea113

SHA1
3bf76848af2edafcacee5f9fb6a06b35a6724015

SHA256
598715cafd950c881e4fe318430b5830e95781f2093baa22f124cfad03320874

SHA512
873fb9861d615ec3298ccba8231ea3f2a22f2050fe68fea1a6948987942c04f6b40f0b92d5e59f6971cdb429b67877ac2e3cfc953949a0140e03c6cdb8a1139d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7C8E.tmp

Filesize
4KB

MD5
1891919175c888ce82e9bd8a047b01ad

SHA1
502a6892a5d27ecb791ac5aa6d8586944f540453

SHA256
a6c43b4e4b8681cf0ef56c49c730fa77e34dc82db0260253a3ba75039030b9ec

SHA512
8bb940050b1abf6c27db133ed446f41e108f670f361ed5102408832ce33d9b87cd0880723441f1632292eeeb0a319c4e0fac0ea659eb55ebe1130cc3e6c776a3

Download Submit
memory/1120-30-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1120-28-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1120-27-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1120-25-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1936-12-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1936-8-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1936-10-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1936-11-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/2284-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2284-14-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2284-16-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2284-17-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2284-22-0x0000000000460000-0x0000000000529000-memory.dmp

Filesize
804KB

Download
memory/3304-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/3304-9-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3304-4-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3304-3-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/3304-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3304-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download

Analysis

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