d8f4050c420651fbcb0c85dd918e7ed5adc186042491cbc441934d5a87dce261

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02-06-2024 00:28

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General

Target

2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe
Size

35.2MB
MD5

2bc3ca888e2dc0b97959c0b96df64ae5
SHA1

ac637963795464275c3b19cfe0fc635b74f16ff5
SHA256

d8f4050c420651fbcb0c85dd918e7ed5adc186042491cbc441934d5a87dce261
SHA512

36e8a2f3b8193bce55f6b944c9f4ad8201a0b111d10969be9c3c0a6e619b4dc89e1598d3617ca7fd638d54a12ae459b96f197b3b91d7a7b1fe0f9affce74df78
SSDEEP

196608:Js1X7ZCXnao5D9P9CEaSfi7fkElaucB+MJrfcWx1yl02CCunv/YjDF+JUvkxgzNb:Js1QXFKSfi7cElYutvkxCEdDGm5hQ

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122e4-1.dat	UPX
behavioral1/memory/944-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c0000000122e4-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
944	2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000122e4-1.dat	upx
behavioral1/memory/944-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2464	944	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2464	944	2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe	28
PID 944 wrote to memory of 2464	944	2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe	28
PID 944 wrote to memory of 2464	944	2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe	28
PID 944 wrote to memory of 2464	944	2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 232
  2⤵
  - Program crash
  PID:2464

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/944-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/944-5-0x0000000066218000-0x000000006621B000-memory.dmp

Filesize
12KB

Download
memory/944-6-0x000000007EDE0000-0x000000007EFA7000-memory.dmp

Filesize
1.8MB

Download
memory/944-13-0x000000007EDE0000-0x000000007EFA7000-memory.dmp

Filesize
1.8MB

Download
memory/944-12-0x000000007EDE0000-0x000000007EFA7000-memory.dmp

Filesize
1.8MB

Download