19abda2a390d0dbcaf019284a5b2a85b9ec6c847ca753b32f478189f49c4f9b5

General

Target

2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
Size

3.5MB
MD5

21e693dd6cf7be3eef4887a0de5bceac
SHA1

49291d45ae4c16d6077b5849076c277ee84fab8c
SHA256

19abda2a390d0dbcaf019284a5b2a85b9ec6c847ca753b32f478189f49c4f9b5
SHA512

791046b4e0eea738b28212066f48583e53602bfa57a28ba4d257fc4650550f4674b73e398ed0a49ae0d82deb6ffa304a6bd4404f9b17578f73744c21c5d43d55
SSDEEP

49152:JCFzThuMHqCikNXSlW7sWVLRfGyyTozbsem:khhuraNXSE7sqo0Hsj

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/2520-8-0x0000000000950000-0x000000000095B000-memory.dmp	UPX
behavioral2/memory/2520-9-0x00000000064E0000-0x00000000064EB000-memory.dmp	UPX
behavioral2/memory/2520-12-0x00000000064E0000-0x00000000064EB000-memory.dmp	UPX
behavioral2/memory/2520-42-0x0000000000950000-0x000000000095B000-memory.dmp	UPX
behavioral2/memory/2520-43-0x00000000064E0000-0x00000000064EB000-memory.dmp	UPX

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe

Executes dropped EXE 2 IoCs

pid	Process
1300	KYmJVs.exe
2520	KYmJVs.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2520-8-0x0000000000950000-0x000000000095B000-memory.dmp	upx
behavioral2/memory/2520-9-0x00000000064E0000-0x00000000064EB000-memory.dmp	upx
behavioral2/memory/2520-12-0x00000000064E0000-0x00000000064EB000-memory.dmp	upx
behavioral2/memory/2520-42-0x0000000000950000-0x000000000095B000-memory.dmp	upx
behavioral2/memory/2520-43-0x00000000064E0000-0x00000000064EB000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\KYmJVs.exe	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
File opened for modification	C:\Windows\SysWOW64\KYmJVs.exe	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
File created	C:\Windows\syStEm32\KYmJVs.exe	KYmJVs.exe
File opened for modification	C:\Windows\syStEm32\KYmJVs.exe	KYmJVs.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
1300	KYmJVs.exe
1300	KYmJVs.exe
1300	KYmJVs.exe
1300	KYmJVs.exe
1300	KYmJVs.exe
1300	KYmJVs.exe
2520	KYmJVs.exe
2520	KYmJVs.exe
2520	KYmJVs.exe
2520	KYmJVs.exe
2520	KYmJVs.exe
2520	KYmJVs.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	KYmJVs.exe
Token: SeDebugPrivilege	2520	KYmJVs.exe
Token: SeDebugPrivilege	2520	KYmJVs.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
1300	KYmJVs.exe
1300	KYmJVs.exe
2520	KYmJVs.exe
2520	KYmJVs.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 1300	712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe	89
PID 712 wrote to memory of 1300	712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe	89
PID 712 wrote to memory of 1300	712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe	89
PID 1300 wrote to memory of 2520	1300	KYmJVs.exe	91
PID 1300 wrote to memory of 2520	1300	KYmJVs.exe	91
PID 1300 wrote to memory of 2520	1300	KYmJVs.exe	91
PID 712 wrote to memory of 4036	712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe	92
PID 712 wrote to memory of 4036	712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe	92
PID 712 wrote to memory of 4036	712	2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_21e693dd6cf7be3eef4887a0de5bceac_icedid.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:712
- C:\Windows\SysWOW64\KYmJVs.exe
  -auto
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1300
- - C:\Windows\syStEm32\KYmJVs.exe
    -troj
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" > nul
  2⤵
  PID:4036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\KYmJVs.exe

Filesize
3.5MB

MD5
21e693dd6cf7be3eef4887a0de5bceac

SHA1
49291d45ae4c16d6077b5849076c277ee84fab8c

SHA256
19abda2a390d0dbcaf019284a5b2a85b9ec6c847ca753b32f478189f49c4f9b5

SHA512
791046b4e0eea738b28212066f48583e53602bfa57a28ba4d257fc4650550f4674b73e398ed0a49ae0d82deb6ffa304a6bd4404f9b17578f73744c21c5d43d55

Download Submit
memory/2520-8-0x0000000000950000-0x000000000095B000-memory.dmp

Filesize
44KB

Download
memory/2520-9-0x00000000064E0000-0x00000000064EB000-memory.dmp

Filesize
44KB

Download
memory/2520-10-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/2520-12-0x00000000064E0000-0x00000000064EB000-memory.dmp

Filesize
44KB

Download
memory/2520-11-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/2520-13-0x00000000064C0000-0x00000000064C1000-memory.dmp

Filesize
4KB

Download
memory/2520-14-0x00000000064A0000-0x00000000064A1000-memory.dmp

Filesize
4KB

Download
memory/2520-15-0x00000000064B0000-0x00000000064B1000-memory.dmp

Filesize
4KB

Download
memory/2520-42-0x0000000000950000-0x000000000095B000-memory.dmp

Filesize
44KB

Download
memory/2520-43-0x00000000064E0000-0x00000000064EB000-memory.dmp

Filesize
44KB

Download

Analysis

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