darkcomet | 1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b

Analysis

max time kernel
151s
max time network
12s
platform
windows7_x64
resource
win7v20210410
submitted
05-05-2021 00:50

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General

Target

1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
Size

1.9MB
MD5

c4b75a6eaf5fcfc659e9694424d33c3f
SHA1

65cd90201c00e8142757ae8227ecf8f76ac79e72
SHA256

1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b
SHA512

49a0d58d0dfe519fa54fd55ac11a90435a1579542479e81287390e5aa26c19e621f502bfa50bc1d2024fffcb815f468a5908de057efac52d4b0ef97d5934ea17

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

Signatures

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

Processes:

test.exetest.exetest.exe

pid process

972 test.exe
1004 test.exe
1496 test.exe

pid	process
972	test.exe
1004	test.exe
1496	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1172-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1172-80-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1496-107-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1496-114-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe

pid	process
1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe

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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exetest.exe

description	pid	process	target process
PID 368 set thread context of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 972 set thread context of 1004	972	test.exe	test.exe
PID 972 set thread context of 1496	972	test.exe	test.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

test.exetest.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1496	test.exe
Token: SeSecurityPrivilege	1496	test.exe
Token: SeTakeOwnershipPrivilege	1496	test.exe
Token: SeLoadDriverPrivilege	1496	test.exe
Token: SeSystemProfilePrivilege	1496	test.exe
Token: SeSystemtimePrivilege	1496	test.exe
Token: SeProfSingleProcessPrivilege	1496	test.exe
Token: SeIncBasePriorityPrivilege	1496	test.exe
Token: SeCreatePagefilePrivilege	1496	test.exe
Token: SeBackupPrivilege	1496	test.exe
Token: SeRestorePrivilege	1496	test.exe
Token: SeShutdownPrivilege	1496	test.exe
Token: SeDebugPrivilege	1496	test.exe
Token: SeSystemEnvironmentPrivilege	1496	test.exe
Token: SeChangeNotifyPrivilege	1496	test.exe
Token: SeRemoteShutdownPrivilege	1496	test.exe
Token: SeUndockPrivilege	1496	test.exe
Token: SeManageVolumePrivilege	1496	test.exe
Token: SeImpersonatePrivilege	1496	test.exe
Token: SeCreateGlobalPrivilege	1496	test.exe
Token: 33	1496	test.exe
Token: 34	1496	test.exe
Token: 35	1496	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe
Token: SeDebugPrivilege	1004	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exetest.exetest.exe

pid	process
368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
972	test.exe
1004	test.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.execmd.exetest.exe

description	pid	process	target process
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 368 wrote to memory of 1172	368	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
PID 1172 wrote to memory of 1772	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	cmd.exe
PID 1172 wrote to memory of 1772	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	cmd.exe
PID 1172 wrote to memory of 1772	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	cmd.exe
PID 1172 wrote to memory of 1772	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	cmd.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	reg.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	reg.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	reg.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	reg.exe
PID 1172 wrote to memory of 972	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	test.exe
PID 1172 wrote to memory of 972	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	test.exe
PID 1172 wrote to memory of 972	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	test.exe
PID 1172 wrote to memory of 972	1172	1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1004	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe
PID 972 wrote to memory of 1496	972	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
"C:\Users\Admin\AppData\Local\Temp\1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:368

C:\Users\Admin\AppData\Local\Temp\1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe
"C:\Users\Admin\AppData\Local\Temp\1d93d97d1d22415d1e1d72244a3e15236c72ca12d34f38c5d3000fac49608a7b.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\DGRTO.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\test\test.exe" /f
4⤵
- Adds Run key to start application
PID:268

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:972

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1004

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DGRTO.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
13b3e15ef77a6b9e26c6d0dc9c15fcdf

SHA1
e7eeb20d3dbdc5e355c2c5e4a21bdc63fe2384e4

SHA256
01d3e85a879cc4f286840acb55fd32e251ca518438e2c342cd6e3cf8433363b0

SHA512
bf9a3b647f4b8d26378ca0696f50e9c877ba43cca9936a36eefae0d5b886589230a3b311676a26b5d59e9d1661ef9ed19c6fa5d96d2c7d1850f4e324e0da2819

Download Submit
memory/268-84-0x0000000000000000-mapping.dmp

Download
memory/368-68-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/368-67-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/368-77-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/368-74-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/368-76-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/368-75-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/368-79-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/368-62-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/368-59-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/368-69-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/368-78-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/368-66-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/368-63-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/368-65-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/972-90-0x0000000000000000-mapping.dmp

Download
memory/1004-105-0x00000000004085D0-mapping.dmp

Download
memory/1172-71-0x00000000004085D0-mapping.dmp

Download
memory/1172-81-0x0000000076661000-0x0000000076663000-memory.dmp

Filesize
8KB

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memory/1172-80-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

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memory/1172-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

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memory/1496-107-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

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memory/1496-108-0x00000000004B5640-mapping.dmp

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memory/1496-114-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

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memory/1496-118-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

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memory/1772-82-0x0000000000000000-mapping.dmp

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