masslogger | cec32706a7a76daa87ce84e365bbcd42d277f47cae98b60fdc1c0eae2cb30983

General

Target

5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
Size

1.2MB
MD5

5a165c7d791eb039603854d9a7fefcca
SHA1

b47cbbef36f0f56c48612f3033e2a039ed1c9297
SHA256

cec32706a7a76daa87ce84e365bbcd42d277f47cae98b60fdc1c0eae2cb30983
SHA512

559dd55734420caf1495014740b8ebbab78edb9f62c6d1583e26c0166da69cbe622408c1b9e8e5a26944112870d70ab3d982f116845f64ae90e8782246698b00
SSDEEP

24576:YyBYrjP6+mBfD5Tyou/bkeildtibxz0NfO64deBZMp:miZ5TyoCb8l/ibWpO6fvMp

Score

10^/10

masslogger defense_evasion discovery spyware stealer

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main payload 1 IoCs

resource	yara_rule
behavioral2/memory/2860-9-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Deletes itself 1 IoCs

pid	Process
2372	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1616 set thread context of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97

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	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
2860	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
2860	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
2372	powershell.exe
2372	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
Token: SeDebugPrivilege	2860	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
Token: SeDebugPrivilege	2372	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 1616 wrote to memory of 2860	1616	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	97
PID 2860 wrote to memory of 2372	2860	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	98
PID 2860 wrote to memory of 2372	2860	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	98
PID 2860 wrote to memory of 2372	2860	5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Users\Admin\AppData\Local\Temp\5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe'
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5a165c7d791eb039603854d9a7fefcca_JaffaCakes118.exe.log

Filesize
412B

MD5
e72888b5960716cf170f3e1becd14370

SHA1
0aeefd2d4a7948a03aad625ca86fc34d79adf248

SHA256
8317f594f74040b50e1b88f4aba5e6da3423bf47fe91df59e6e85f37b1f7e0ab

SHA512
9cdfda6fc4f324dfd8d53b46610114252431a5d26296a6f3d606b8ffeef172263fbde9ce0a1b2b9232dabcdabd33d6677e9a5f7693b175f24cea622c31b5c6b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tfkviiww.4kw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1616-1-0x0000000000950000-0x0000000000A80000-memory.dmp

Filesize
1.2MB

Download
memory/1616-2-0x00000000052E0000-0x000000000537C000-memory.dmp

Filesize
624KB

Download
memory/1616-3-0x0000000001230000-0x0000000001242000-memory.dmp

Filesize
72KB

Download
memory/1616-4-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/1616-5-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/1616-6-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/1616-7-0x0000000005CB0000-0x0000000005D90000-memory.dmp

Filesize
896KB

Download
memory/1616-8-0x0000000008110000-0x00000000081EC000-memory.dmp

Filesize
880KB

Download
memory/1616-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/1616-12-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2372-24-0x0000000005BD0000-0x0000000005C36000-memory.dmp

Filesize
408KB

Download
memory/2372-19-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2372-43-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2372-40-0x0000000006890000-0x00000000068B2000-memory.dmp

Filesize
136KB

Download
memory/2372-39-0x0000000007520000-0x00000000075B6000-memory.dmp

Filesize
600KB

Download
memory/2372-18-0x0000000004CF0000-0x0000000004D26000-memory.dmp

Filesize
216KB

Download
memory/2372-38-0x00000000067D0000-0x00000000067EA000-memory.dmp

Filesize
104KB

Download
memory/2372-35-0x00000000062B0000-0x00000000062CE000-memory.dmp

Filesize
120KB

Download
memory/2372-21-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2372-22-0x0000000005430000-0x0000000005A58000-memory.dmp

Filesize
6.2MB

Download
memory/2372-23-0x00000000052F0000-0x0000000005312000-memory.dmp

Filesize
136KB

Download
memory/2372-37-0x0000000007900000-0x0000000007F7A000-memory.dmp

Filesize
6.5MB

Download
memory/2372-36-0x00000000062F0000-0x000000000633C000-memory.dmp

Filesize
304KB

Download
memory/2372-34-0x0000000005CB0000-0x0000000006004000-memory.dmp

Filesize
3.3MB

Download
memory/2860-20-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2860-9-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2860-13-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2860-14-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2860-17-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2860-16-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/2860-15-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download

Analysis

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