81f1b5d2c88114ec8d32fea3f41eb8bb47c7353b3adb267069449a9cb3627f17

General

Target

f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe
Size

577KB
MD5

f07fb058c5f175186009e41fe9d2d95b
SHA1

ae810fb02b9879b16bb9831eeb665ec3c7c0470a
SHA256

81f1b5d2c88114ec8d32fea3f41eb8bb47c7353b3adb267069449a9cb3627f17
SHA512

8f331deb0c9d142d92cc0f1bc88a1149ba131878a728478ca6c5bd9bcb146781394be542be0ac1a118c184cdcadb0994ad48612316fe6d3233d5c22fb14acb9a
SSDEEP

12288:nP/UQC5JZbRx4hKlVj+IqlJOFE9snYnb2/YHcBeQSXRwoCPqHTC1Rp5CYMQFe+:zC5uKlV/+9HngvGEH5CRCe+

Score

7^/10

credential_access discovery spyware stealer upx

Malware Config

Signatures

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2404	keygen.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00080000000234e0-11.dat	upx
behavioral2/memory/2404-14-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-20-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-21-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-22-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-23-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-24-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-25-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-26-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-27-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-28-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-29-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-30-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-31-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-32-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-33-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/2404-34-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1844 set thread context of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82

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 3 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	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keygen.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4912	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4912	AUDIODG.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 1844 wrote to memory of 4788	1844	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	82
PID 4788 wrote to memory of 2404	4788	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	83
PID 4788 wrote to memory of 2404	4788	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	83
PID 4788 wrote to memory of 2404	4788	f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Users\Admin\AppData\Local\Temp\f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f07fb058c5f175186009e41fe9d2d95b_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4788
- - C:\Users\Admin\AppData\Roaming\keygen.exe
    "C:\Users\Admin\AppData\Roaming\keygen.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2404

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3e0 0x4f4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\keygen.exe

Filesize
82KB

MD5
5e1ab87dd0b6ce2f53d1bde16c93d267

SHA1
a86629f828ec31f50afd63574afb10330800cc24

SHA256
7f765360115b862e34b35598e89d1fa77226206233678ee2c3d7b47f42aa50f1

SHA512
2953f9ab580a785f0f58b305d24ccec75d8ee9e4be38f75c6b526545bf945f247fbf660dfc2f9c477e56d1ed7bbe8efaac68c24b3433d8dc8e95b4a735e3a25a

Download Submit
memory/1844-5-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2404-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-34-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-33-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-32-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-31-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-21-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-25-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-30-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-24-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-22-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-26-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-27-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2404-28-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4788-0-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4788-6-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4788-19-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4788-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4788-2-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4788-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

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