marsstealer | 9d15283240ff79899aeb0f2866c51b75d953e5c04a8069397734a3cb6aef87af

Analysis

max time kernel
72s
max time network
76s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 04:02

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General

Target

The Summer Waifu.exe
Size

5.7MB
MD5

efe42e097392ba07bdbc1b30ed12f46f
SHA1

6e67c0ce64661b8f12c453d182fadcf9b81225b8
SHA256

9d15283240ff79899aeb0f2866c51b75d953e5c04a8069397734a3cb6aef87af
SHA512

87147c5b0a5016d5a6f36e980cf294880a78ca3b3491ca1e90bd5664f3d6405da4259ae486544f7b355cf6e29eeb80273336b9f2fbb5928730eda3584b8a1005
SSDEEP

12288:MPZV/cS4H8+Gc8DWKwJa8JdrBoyvCRH96m2iii2Tc:MRV2iWih

Score

10^/10

marsstealer default stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer
Executes dropped EXE 1 IoCs

Processes:

CKTI.exe

pid process

2172 CKTI.exe
Loads dropped DLL 2 IoCs

Processes:

The Summer Waifu.exe

pid process

2456 The Summer Waifu.exe
2456 The Summer Waifu.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2172	CKTI.exe

pid	process
2456	The Summer Waifu.exe
2456	The Summer Waifu.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

The Summer Waifu.exe

description	pid	process	target process
PID 2456 wrote to memory of 2172	2456	The Summer Waifu.exe	CKTI.exe
PID 2456 wrote to memory of 2172	2456	The Summer Waifu.exe	CKTI.exe
PID 2456 wrote to memory of 2172	2456	The Summer Waifu.exe	CKTI.exe
PID 2456 wrote to memory of 2172	2456	The Summer Waifu.exe	CKTI.exe

C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe
"C:\Users\Admin\AppData\Local\Temp\The Summer Waifu.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2456

C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe
"C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe"
2⤵
- Executes dropped EXE
PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Identities\CKTI.exe
Filesize
159KB

MD5
ccbede8d2869535347316a479f0b8095

SHA1
1dd0e7574972260c77ca90638950d83c7b00d8f2

SHA256
afae663cab910a67e7fb519797ff385926b77ee59fa0e96e1853318146d2e179

SHA512
9a0de846ced51215948a16300aec8aeb7cf0ef5c0005a3cb661fc27e85b5d25b3b3278e7c91fbedc9d0a1ec686fdcd8ff07f35b39931a7c28c8b2139dabf4456

Download Submit
memory/2172-13-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2456-0-0x0000000001190000-0x0000000001204000-memory.dmp

Filesize
464KB

Download
memory/2456-1-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

Filesize
256KB

Download
memory/2456-14-0x0000000000C50000-0x0000000000C8D000-memory.dmp

Filesize
244KB

Download
memory/2456-15-0x0000000074D00000-0x00000000753EE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-12-0x0000000000C50000-0x0000000000C8D000-memory.dmp

Filesize
244KB

Download