blustealer | 0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07

General

Target

0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe
Size

307KB
MD5

2c3fbb2cee9b79530534e53064ff68a2
SHA1

0f8a016173e7202ec2abe46ae038016fcd1b7742
SHA256

0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07
SHA512

d605dcef74eba2509d171b7853b95595d2166f0001974d25716b52a790939e0b3b563efb14d336c6eefdf8adf52f3f4a56782eb037ec31f4d8c7515b0bfd78ec
SSDEEP

3072:CL36cR9EKJjjTeRVMHDAc2ik58O0uE9QoRsCm5ndL3qNP6q7DFfDnB7EsetTGK4E:D8JnTyKEuDvQoR/mrLqNSynyh+yWki

Score

10^/10

blustealer stormkitty stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5374342837:AAHF-c1HAIvNCdF89VuEdNggsL2YBlpgkSE/sendMessage?chat_id=2133303215

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 3 IoCs

resource	yara_rule
behavioral1/memory/2336-74-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/2336-76-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/2336-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1660 set thread context of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1196 wrote to memory of 1660	1196	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	28
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29
PID 1660 wrote to memory of 2336	1660	0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe
"C:\Users\Admin\AppData\Local\Temp\0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\0107b32e98dba4ef3826e16bd3d5e03a8b277a5bfe9bd20c5ee110596cf00f07_JC.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1196-54-0x0000000000E50000-0x0000000000EA4000-memory.dmp

Filesize
336KB

Download
memory/1196-55-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/1196-56-0x0000000000E00000-0x0000000000E40000-memory.dmp

Filesize
256KB

Download
memory/1196-57-0x00000000005F0000-0x0000000000630000-memory.dmp

Filesize
256KB

Download
memory/1196-58-0x0000000000640000-0x000000000064A000-memory.dmp

Filesize
40KB

Download
memory/1196-67-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/1660-68-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1660-61-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1660-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1660-65-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1660-60-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1660-59-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1660-82-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2336-73-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2336-74-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2336-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2336-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2336-79-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Filesize
6.9MB

Download
memory/2336-80-0x0000000004D30000-0x0000000004D70000-memory.dmp

Filesize
256KB

Download
memory/2336-81-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Filesize
6.9MB

Download
memory/2336-71-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

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