cobaltstrike | b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa

Analysis

max time kernel
182s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 22:17

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General

Target

b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe
Size

115KB
MD5

cd1dc6c7851f6c43b87c427848c9bef9
SHA1

4e70004a0753c1f6ce23e1f0e4f565843574d3da
SHA256

b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa
SHA512

1bec38722b2fafeb83f04173b5f26e9fc61eb975c70ac8bf73ad367662957613d0bb99afd3c890974f5954f5bd56548877f533c35a2cd400192cfb1f9210ceb5
SSDEEP

1536:+++fq6M5b9NqTxV67wAInyAeG+90MHJaOsp1gMIEELZ2G6CNgRtOOOOOOOOEQ6h:+++VMoTxyi9e7O1IXLoSWRqX

Score

10^/10

cobaltstrike backdoor persistence trojan

Malware Config

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Executes dropped EXE 1 IoCs

Processes:

CacheMgr.exe

pid process

3556 CacheMgr.exe

pid	process
3556	CacheMgr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StubPath = "\"C:\\Users\\Admin\\AppData\\Roaming\\CacheMgr.exe\" -as"	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe

description	pid	process	target process
PID 176 wrote to memory of 212	176	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe	cmd.exe
PID 176 wrote to memory of 212	176	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe	cmd.exe
PID 176 wrote to memory of 212	176	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe	cmd.exe
PID 176 wrote to memory of 3556	176	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe	CacheMgr.exe
PID 176 wrote to memory of 3556	176	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe	CacheMgr.exe
PID 176 wrote to memory of 3556	176	b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe	CacheMgr.exe

C:\Users\Admin\AppData\Local\Temp\b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe
"C:\Users\Admin\AppData\Local\Temp\b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:176
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa.exe" "C:\Users\Admin\AppData\Roaming\CacheMgr.exe"
  2⤵
  PID:212
- C:\Users\Admin\AppData\Roaming\CacheMgr.exe
  "C:\Users\Admin\AppData\Roaming\CacheMgr.exe" -as
  2⤵
  - Executes dropped EXE
  PID:3556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\CacheMgr.exe

Filesize
115KB

MD5
cd1dc6c7851f6c43b87c427848c9bef9

SHA1
4e70004a0753c1f6ce23e1f0e4f565843574d3da

SHA256
b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa

SHA512
1bec38722b2fafeb83f04173b5f26e9fc61eb975c70ac8bf73ad367662957613d0bb99afd3c890974f5954f5bd56548877f533c35a2cd400192cfb1f9210ceb5

Download Submit
C:\Users\Admin\AppData\Roaming\CacheMgr.exe

Filesize
115KB

MD5
cd1dc6c7851f6c43b87c427848c9bef9

SHA1
4e70004a0753c1f6ce23e1f0e4f565843574d3da

SHA256
b2525e8d48a1cb4358ed8a0e8de33f4f4d539a21659183edf5590c3672c11ffa

SHA512
1bec38722b2fafeb83f04173b5f26e9fc61eb975c70ac8bf73ad367662957613d0bb99afd3c890974f5954f5bd56548877f533c35a2cd400192cfb1f9210ceb5

Download Submit
memory/176-134-0x0000000001520000-0x0000000001620000-memory.dmp

Filesize
1024KB

Download
memory/176-135-0x0000000001620000-0x0000000001635000-memory.dmp

Filesize
84KB

Download
memory/176-140-0x0000000001620000-0x0000000001635000-memory.dmp

Filesize
84KB

Download
memory/212-133-0x0000000000000000-mapping.dmp

Download
memory/3556-136-0x0000000000000000-mapping.dmp

Download
memory/3556-141-0x0000000000EF0000-0x0000000000FF0000-memory.dmp

Filesize
1024KB

Download
memory/3556-142-0x0000000000BA0000-0x0000000000BB5000-memory.dmp

Filesize
84KB

Download
memory/3556-143-0x0000000000EF0000-0x0000000000FF0000-memory.dmp

Filesize
1024KB

Download
memory/3556-144-0x0000000000BA0000-0x0000000000BB5000-memory.dmp

Filesize
84KB

Download