1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 19:25

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General

Target

1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe
Size

16KB
MD5

ebd61de83b6f2ee599dd185b1d8878ba
SHA1

dbc9bf259dd6c19dd89612ba58d8d4fcb35760cd
SHA256

1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db
SHA512

81ea2eb63b9a6f6c3f5030ada9d9c4b585487f07e052c8884205b0e6fe12d0afece07ab05551c379440ea2667ff8d240f61b47547f5502de8c813b8fd96892f4
SSDEEP

192:UXtT73NdbzQQzMQtN1P4SxQlYpW2uCIb2DA14hd3EwrcCenNSOnwOmOzO6i4163i:yx/aIwSkYpJXzQNSOwOmOzO6i4163i

Score

9^/10

Malware Config

Signatures

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/2312-0-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000e000000013337-4.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2312-12-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1304-13-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1304-15-0x0000000000400000-0x000000000040C000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
1304	lasis.exe

Loads dropped DLL 2 IoCs

pid	Process
2312	1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe
2312	1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1304	2312	1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe	28
PID 2312 wrote to memory of 1304	2312	1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe	28
PID 2312 wrote to memory of 1304	2312	1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe	28
PID 2312 wrote to memory of 1304	2312	1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe	28

C:\Users\Admin\AppData\Local\Temp\1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe
"C:\Users\Admin\AppData\Local\Temp\1cfb49a006300f723537fff477eba4c275f639b81b4312e508f92492624185db.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\lasis.exe
  "C:\Users\Admin\AppData\Local\Temp\lasis.exe"
  2⤵
  - Executes dropped EXE
  PID:1304

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

\Users\Admin\AppData\Local\Temp\lasis.exe

Filesize
17KB

MD5
a7db4bb63097ae604004688e7f727066

SHA1
9bd197f49b88c5b6d3bf91e2231915b0b585a584

SHA256
815d7e2dbf87afe7ab71eeaf0796ddbb2feafaa9042fc2ead960439bc929bbc7

SHA512
74ce8ade74c491624a85d92cc133c0d3c7c302d59f470de4b6233386a64b32581bf4b3c68050c694ea317d97ee594e5aaf03d6182a7a5da14260a59744dbea2c

Download Submit
memory/1304-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1304-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2312-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2312-2-0x0000000000402000-0x0000000000403000-memory.dmp

Filesize
4KB

Download
memory/2312-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download