darkcomet | cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7

General

Target

cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
Size

1.5MB
MD5

21115a6c4354979616026ba53b079066
SHA1

4ced6a79cd095fc1f128a3053cd1d29cb8e81996
SHA256

cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7
SHA512

0bc8fb29658c5dc8f490e881ab5dde096585436ca4465c712d4ca7b351ff29fe354f464bca7734c36819bcd04073863c4bd56db9eb539761ca7b2930df9f54f2

Score

10^/10

darkcomet runescape persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Runescape

C2

mrsnickers03.no-ip.biz:340

Mutex

DC_MUTEX-6ZFK11A

Attributes

gencode
uNwew4gojxtu
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 3 IoCs

Processes:

ichader.exeichader.exeichader.exe

pid process

2120 ichader.exe
4080 ichader.exe
3488 ichader.exe

pid	process
2120	ichader.exe
4080	ichader.exe
3488	ichader.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3700-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3700-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3700-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3488-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3488-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3488-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\java = "C:\\Users\\Admin\\AppData\\Roaming\\IDM\\ichader.exe"	reg.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exeichader.exe

description	pid	process	target process
PID 656 set thread context of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 set thread context of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 2120 set thread context of 2336	2120	ichader.exe	svchost.exe
PID 2120 set thread context of 4080	2120	ichader.exe	ichader.exe
PID 2120 set thread context of 3488	2120	ichader.exe	ichader.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe
752	svchost.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

Processes:

ichader.exeichader.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3488	ichader.exe
Token: SeSecurityPrivilege	3488	ichader.exe
Token: SeTakeOwnershipPrivilege	3488	ichader.exe
Token: SeLoadDriverPrivilege	3488	ichader.exe
Token: SeSystemProfilePrivilege	3488	ichader.exe
Token: SeSystemtimePrivilege	3488	ichader.exe
Token: SeProfSingleProcessPrivilege	3488	ichader.exe
Token: SeIncBasePriorityPrivilege	3488	ichader.exe
Token: SeCreatePagefilePrivilege	3488	ichader.exe
Token: SeBackupPrivilege	3488	ichader.exe
Token: SeRestorePrivilege	3488	ichader.exe
Token: SeShutdownPrivilege	3488	ichader.exe
Token: SeDebugPrivilege	3488	ichader.exe
Token: SeSystemEnvironmentPrivilege	3488	ichader.exe
Token: SeChangeNotifyPrivilege	3488	ichader.exe
Token: SeRemoteShutdownPrivilege	3488	ichader.exe
Token: SeUndockPrivilege	3488	ichader.exe
Token: SeManageVolumePrivilege	3488	ichader.exe
Token: SeImpersonatePrivilege	3488	ichader.exe
Token: SeCreateGlobalPrivilege	3488	ichader.exe
Token: 33	3488	ichader.exe
Token: 34	3488	ichader.exe
Token: 35	3488	ichader.exe
Token: 36	3488	ichader.exe
Token: SeDebugPrivilege	4080	ichader.exe
Token: SeDebugPrivilege	4080	ichader.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exesvchost.execdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exeichader.exesvchost.exeichader.exeichader.exe

pid	process
656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
752	svchost.exe
3700	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
2120	ichader.exe
2336	svchost.exe
4080	ichader.exe
3488	ichader.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.execdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.execmd.exeichader.exe

description	pid	process	target process
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 752	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	svchost.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 656 wrote to memory of 3700	656	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
PID 3700 wrote to memory of 504	3700	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cmd.exe
PID 3700 wrote to memory of 504	3700	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cmd.exe
PID 3700 wrote to memory of 504	3700	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	cmd.exe
PID 504 wrote to memory of 3764	504	cmd.exe	reg.exe
PID 504 wrote to memory of 3764	504	cmd.exe	reg.exe
PID 504 wrote to memory of 3764	504	cmd.exe	reg.exe
PID 3700 wrote to memory of 2120	3700	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	ichader.exe
PID 3700 wrote to memory of 2120	3700	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	ichader.exe
PID 3700 wrote to memory of 2120	3700	cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe	ichader.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 2336	2120	ichader.exe	svchost.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 4080	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe
PID 2120 wrote to memory of 3488	2120	ichader.exe	ichader.exe

C:\Users\Admin\AppData\Local\Temp\cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
"C:\Users\Admin\AppData\Local\Temp\cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:752

C:\Users\Admin\AppData\Local\Temp\cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe
"C:\Users\Admin\AppData\Local\Temp\cdb79f86bc52dcdf01c69c593df5a6e75383545c6c1a12711da99a44686fe7f7.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3700

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LKXEN.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:504

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "java" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\IDM\ichader.exe" /f
4⤵
- Adds Run key to start application
PID:3764

C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
"C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:2336

C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
"C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4080

C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
"C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\LKXEN.bat
MD5
92353035f01403e26aa2ff51c3963238

SHA1
d13f167c73bfce23a2deab8ce7c4ce9f78759ff4

SHA256
2e72a8542f8f809bfb1e4adfb481c7c5e6dc00dda7970c74692ba8d83ea0a870

SHA512
74560e33477caae3c7bc13914e4ae3c6911bbcfe257b2833155c236a158db0aca17478beb9d97f648ff1ea566005260f511361771c74203195107f4e82cce7df

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
68475f659a73ff72b9b0b9dfe58e531c

SHA1
d9c5f4527a1078b083e8bebb6eab46a3c7faaa84

SHA256
e3262b07826eac1b57fbbef21e4711ae0c2bcb1d0a26daebaeadfc8d3bfdc508

SHA512
6e346fb9e3aa27d352fa00a4bcf25889be081f15f6cb4a2e88e90421840b15cd683d6b056da499dbe96dee0211228f0c90a8cf40a3cc16d03f7c48129a79dd84

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
68475f659a73ff72b9b0b9dfe58e531c

SHA1
d9c5f4527a1078b083e8bebb6eab46a3c7faaa84

SHA256
e3262b07826eac1b57fbbef21e4711ae0c2bcb1d0a26daebaeadfc8d3bfdc508

SHA512
6e346fb9e3aa27d352fa00a4bcf25889be081f15f6cb4a2e88e90421840b15cd683d6b056da499dbe96dee0211228f0c90a8cf40a3cc16d03f7c48129a79dd84

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
68475f659a73ff72b9b0b9dfe58e531c

SHA1
d9c5f4527a1078b083e8bebb6eab46a3c7faaa84

SHA256
e3262b07826eac1b57fbbef21e4711ae0c2bcb1d0a26daebaeadfc8d3bfdc508

SHA512
6e346fb9e3aa27d352fa00a4bcf25889be081f15f6cb4a2e88e90421840b15cd683d6b056da499dbe96dee0211228f0c90a8cf40a3cc16d03f7c48129a79dd84

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
68475f659a73ff72b9b0b9dfe58e531c

SHA1
d9c5f4527a1078b083e8bebb6eab46a3c7faaa84

SHA256
e3262b07826eac1b57fbbef21e4711ae0c2bcb1d0a26daebaeadfc8d3bfdc508

SHA512
6e346fb9e3aa27d352fa00a4bcf25889be081f15f6cb4a2e88e90421840b15cd683d6b056da499dbe96dee0211228f0c90a8cf40a3cc16d03f7c48129a79dd84

Download Submit
memory/504-14-0x0000000000000000-mapping.dmp

Download
memory/752-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/752-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/752-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/752-3-0x000000000040B000-mapping.dmp

Download
memory/2120-20-0x0000000073B80000-0x0000000073C13000-memory.dmp

Filesize
588KB

Download
memory/2120-17-0x0000000000000000-mapping.dmp

Download
memory/2336-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2336-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2336-24-0x000000000040B000-mapping.dmp

Download
memory/3488-38-0x0000000073B80000-0x0000000073C13000-memory.dmp

Filesize
588KB

Download
memory/3488-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3488-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3488-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3488-34-0x00000000004B5210-mapping.dmp

Download
memory/3700-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3700-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3700-8-0x00000000004085D0-mapping.dmp

Download
memory/3700-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3764-16-0x0000000000000000-mapping.dmp

Download
memory/4080-32-0x0000000073B80000-0x0000000073C13000-memory.dmp

Filesize
588KB

Download
memory/4080-29-0x00000000004085D0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads