2b174d0cb477507e845f39280dfd934950de19bc8902e547a866e73381c25e36

General

Target

2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
Size

1.5MB
MD5

fc9c25098125bb29de5194a93c75ceff
SHA1

0f3495b94689bec1ad0ffd389acc10d542f36b99
SHA256

2b174d0cb477507e845f39280dfd934950de19bc8902e547a866e73381c25e36
SHA512

a1998b4c537c99b5d55b93771c65e6bd3760e41887f2d5d0f1019306430d728d3f5e1dfa9e70050a9603731bef9bc0ad5fa805ea787630d799f252c22fd2c1c7
SSDEEP

24576:+mnhEqoOaT9tKpPn1rj1ieod3peIdBoreh42c6M27g1fn1Qc:+WhEZOQjKpP0d5eIk2T+1fnCc

Score

7^/10

spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Downloads MZ/PE file

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\BMSInstallAgent.exe	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
File opened for modification	C:\Windows\System32\GroupPolicy	BMSInstallAgent.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	BMSInstallAgent.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	BMSInstallAgent.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	BMSInstallAgent.exe
File opened for modification	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	BMSInstallAgent.exe

Executes dropped EXE 2 IoCs

pid	Process
1592	BMSInstallAgent.exe
2016	BMSInstallAgent.exe

Loads dropped DLL 8 IoCs

pid	Process
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2256	taskkill.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1592	BMSInstallAgent.exe
1592	BMSInstallAgent.exe
1592	BMSInstallAgent.exe
2016	BMSInstallAgent.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	taskkill.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
1592	BMSInstallAgent.exe
1592	BMSInstallAgent.exe
1592	BMSInstallAgent.exe
2016	BMSInstallAgent.exe
2016	BMSInstallAgent.exe
2016	BMSInstallAgent.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2256	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	31
PID 2940 wrote to memory of 2256	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	31
PID 2940 wrote to memory of 2256	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	31
PID 2940 wrote to memory of 2256	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	31
PID 2940 wrote to memory of 1592	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	34
PID 2940 wrote to memory of 1592	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	34
PID 2940 wrote to memory of 1592	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	34
PID 2940 wrote to memory of 1592	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	34
PID 2940 wrote to memory of 1592	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	34
PID 2940 wrote to memory of 1592	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	34
PID 2940 wrote to memory of 1592	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	34
PID 2940 wrote to memory of 2016	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	35
PID 2940 wrote to memory of 2016	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	35
PID 2940 wrote to memory of 2016	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	35
PID 2940 wrote to memory of 2016	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	35
PID 2940 wrote to memory of 2016	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	35
PID 2940 wrote to memory of 2016	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	35
PID 2940 wrote to memory of 2016	2940	2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe	35

C:\Users\Admin\AppData\Local\Temp\2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-11_fc9c25098125bb29de5194a93c75ceff_icedid.exe"
1⤵
- Drops file in System32 directory
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\SysWOW64\taskkill.exe
  "C:\Windows\system32\taskkill.exe" /f /im bms*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2256
- C:\Windows\SysWOW64\BMSInstallAgent.exe
  "C:\Windows\system32\BMSInstallAgent.exe" removeall
  2⤵
  - Drops file in System32 directory
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1592
- C:\Windows\SysWOW64\BMSInstallAgent.exe
  "C:\Windows\system32\BMSInstallAgent.exe" I http://dlp.di.co.kr:8081/gradius8/module/ver.txt GRADIUS_Agent
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\bmsdat\tmp\ver.txt

Filesize
180KB

MD5
3b41a3946b8aa22b11892c1bf8d32f05

SHA1
625af60ebb626ebbfbbaefe59555c094dc3746b1

SHA256
992b2c0b475d86809b3d117328e66124d9e24a68f3a4fcb3661fce3a1206b096

SHA512
5b4947a15d9323ae206f2033248f0e1e763f38aacabc738b6622068a2d5ffb8831bbc582abb6404c093373b6ec6e1cebc573e45d86a607e547f4ab5a58342d2c

Download Submit
C:\Users\Admin\AppData\LocalLow\bmsdat\RemoveAgentLog

Filesize
33B

MD5
1ed5711b0ea2500da959b8f89b31e0da

SHA1
d765a17e73f5da9a857fa703e642fd6ad263875e

SHA256
cfe515559e3ff023b062a0c935010cfa1a4b0d8db69cfc67fb8c82156e6ef137

SHA512
390b4f74b6b1f37f6b35752d4b5635049792a5b9ed493c7d21958213ccb6c55b1ff3c29e18734bececa220b63428e2861c4de7ba99e85a7d24f38f5e59cc81ba

Download Submit
\Windows\SysWOW64\BMSInstallAgent.exe

Filesize
1.0MB

MD5
feb8561e19aa2186bde3b751be1b7984

SHA1
87ee4cfc86290b710d7f2857a092d10b425d21d3

SHA256
db082a6e59ca6970043d9d53e5aa1e1ddf39bcb3f940fce87a31881005ce82d2

SHA512
b6d298bd6e44ed4cce0fe953241d3f2ed0b8e7a7616027bee16d3f79053b23ba8ec9a0af54b60eadd50238deb8a65276d352e1cf46abd65a9ae7701344ae30a0

Download Submit

Analysis

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