0504a65dceb5b26aacc9fb16052dfeb4bde0bf269e54f3c4907cfb97804b8707

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 02:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

DoiceFlowery.exe
Size

4.4MB
MD5

581a8097d1ac3c38773cc8a0e6395570
SHA1

d44b8fee6dcfef0d99c28d7764ffb0e8f0dfbe49
SHA256

2f02828fd5b1f2887da8fc27ce9661d53cea1746b0a129b4d8484f9dec44b7b4
SHA512

6334ca8e684e9591b80eb85b358ff26f61766888ddf5abc5d60506dc91d60205570bc0edea74d2ff7fd02c48d90ef9dd790c73fbb59db4106d392c79af9ab960
SSDEEP

98304:wZMnhhhflyCUEytHRupk67SOtr60AM8mpBAqfOf1f15:w+nZflyCUEytxck4SgPxJfOf1f15

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2220	irsetup.exe

Loads dropped DLL 4 IoCs

pid	Process
2360	DoiceFlowery.exe
2220	irsetup.exe
2220	irsetup.exe
2220	irsetup.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b0000000144ac-1.dat	upx
behavioral1/memory/2220-6-0x0000000000400000-0x0000000000527000-memory.dmp	upx
behavioral1/memory/2220-20-0x0000000000400000-0x0000000000527000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2220	irsetup.exe
2220	irsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2220	2360	DoiceFlowery.exe	28
PID 2360 wrote to memory of 2220	2360	DoiceFlowery.exe	28
PID 2360 wrote to memory of 2220	2360	DoiceFlowery.exe	28
PID 2360 wrote to memory of 2220	2360	DoiceFlowery.exe	28
PID 2360 wrote to memory of 2220	2360	DoiceFlowery.exe	28
PID 2360 wrote to memory of 2220	2360	DoiceFlowery.exe	28
PID 2360 wrote to memory of 2220	2360	DoiceFlowery.exe	28

C:\Users\Admin\AppData\Local\Temp\DoiceFlowery.exe
"C:\Users\Admin\AppData\Local\Temp\DoiceFlowery.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe
  __IRAOFF:520716 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\DoiceFlowery.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:2220

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe

Filesize
440KB

MD5
75ca7ff96bf5a316c3af2de6a412bd54

SHA1
0a093950790ff0dddff6f5f29c6b02c10997e0c5

SHA256
d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

SHA512
b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

Download Submit
memory/2220-6-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/2220-11-0x0000000000530000-0x0000000000657000-memory.dmp

Filesize
1.2MB

Download
memory/2220-20-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/2360-5-0x0000000002740000-0x0000000002867000-memory.dmp

Filesize
1.2MB

Download