fc01a2999debcff34886d2c601c7f1aa607b3279b0a392e5d41b019d9305f7f1

General

Target

6c30dc9e228c3a55def085775b8f9915_JC.exe
Size

3.4MB
MD5

6c30dc9e228c3a55def085775b8f9915
SHA1

8f05d400296a8120a25afdc5036bc6d7d417ca1d
SHA256

fc01a2999debcff34886d2c601c7f1aa607b3279b0a392e5d41b019d9305f7f1
SHA512

981eabd3e099aa2bf1cc3a4c6e360b51b4f08ddc90c9a8e1f5359257e8881cdd0875976061c7b79d3f7ec7df752beec1d8b8d0bb71dede5e28b3ceb3d02dd25c
SSDEEP

98304:MSIR2fymUNe/oaYBEm2O0mc7V/mj5oFjRTmt1eP:MSIAqmUNe/oaKh9zcS5oRRTmto

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1180	fXGEK2ZllMtP9bu.exe
2792	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2796	6c30dc9e228c3a55def085775b8f9915_JC.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2796-1-0x0000000000E60000-0x0000000000E85000-memory.dmp	upx
behavioral1/files/0x000d00000001224c-14.dat	upx
behavioral1/files/0x000d00000001224c-12.dat	upx
behavioral1/memory/2796-11-0x0000000000E60000-0x0000000000E85000-memory.dmp	upx
behavioral1/files/0x000d00000001224c-10.dat	upx
behavioral1/memory/2796-7-0x00000000000F0000-0x0000000000115000-memory.dmp	upx
behavioral1/memory/2792-17-0x00000000012D0000-0x00000000012F5000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	6c30dc9e228c3a55def085775b8f9915_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	6c30dc9e228c3a55def085775b8f9915_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe
Token: SeDebugPrivilege	2792	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 1180	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	27
PID 2796 wrote to memory of 1180	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	27
PID 2796 wrote to memory of 1180	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	27
PID 2796 wrote to memory of 1180	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	27
PID 2796 wrote to memory of 2792	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	28
PID 2796 wrote to memory of 2792	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	28
PID 2796 wrote to memory of 2792	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	28
PID 2796 wrote to memory of 2792	2796	6c30dc9e228c3a55def085775b8f9915_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\6c30dc9e228c3a55def085775b8f9915_JC.exe
"C:\Users\Admin\AppData\Local\Temp\6c30dc9e228c3a55def085775b8f9915_JC.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\Temp\fXGEK2ZllMtP9bu.exe
  C:\Users\Admin\AppData\Local\Temp\fXGEK2ZllMtP9bu.exe
  2⤵
  - Executes dropped EXE
  PID:1180
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\fXGEK2ZllMtP9bu.exe

Filesize
3.4MB

MD5
a16d32c51e990e09280e8b364a9ea3a7

SHA1
96a9f57a41de19f0fa087c1aa785a07e11028b09

SHA256
4dfd410ea5abb99d5a0d95bd06527bab0e2d4e1ba2a82af1f7286a489acd6e24

SHA512
eb9a1eececb5a85a1415b1f3108dc450a06987dca884dd511f52fa9fc4ee3a14194e08086d5f7a91f82591c4b38c0c6da7a60638d19f166088c6e2171b44218a

Download Submit
C:\Users\Admin\AppData\Local\Temp\fXGEK2ZllMtP9bu.exe

Filesize
3.3MB

MD5
459e7a38bf419c1d548323ddd11acaff

SHA1
768c010dec6daef656b318b039899a0ed6bac22e

SHA256
0bd5fa9b8214a0ab679ad2188fd898da7318d6f4ed34dd4110774d00cc405cc0

SHA512
8b163a6e3c6221264a302f40a08e6352a08881337d28c682f127411a4debaa611a7a9ecf9b58381ba615782db66fdd42aaa65db780d8cb465594380c5db94cfd

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
b2e404fad99c3829da4207fb25d1033f

SHA1
f7bf6d4b7b6a312ead8b6fe6e22f05ca3404b3ea

SHA256
5fe5f6c4b72a3f013029440a0c0bdb97e990b0e06732573debcb9b2308c94ab3

SHA512
f18c8c478a2c9419b6bbb9186ddf4f79824291083deb213102bc075cdead38d6d5c0cb22e08183838f2889889f5d61342d0dec95ea9b4bcc0c0f0df8459098fc

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
b2e404fad99c3829da4207fb25d1033f

SHA1
f7bf6d4b7b6a312ead8b6fe6e22f05ca3404b3ea

SHA256
5fe5f6c4b72a3f013029440a0c0bdb97e990b0e06732573debcb9b2308c94ab3

SHA512
f18c8c478a2c9419b6bbb9186ddf4f79824291083deb213102bc075cdead38d6d5c0cb22e08183838f2889889f5d61342d0dec95ea9b4bcc0c0f0df8459098fc

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
b2e404fad99c3829da4207fb25d1033f

SHA1
f7bf6d4b7b6a312ead8b6fe6e22f05ca3404b3ea

SHA256
5fe5f6c4b72a3f013029440a0c0bdb97e990b0e06732573debcb9b2308c94ab3

SHA512
f18c8c478a2c9419b6bbb9186ddf4f79824291083deb213102bc075cdead38d6d5c0cb22e08183838f2889889f5d61342d0dec95ea9b4bcc0c0f0df8459098fc

Download Submit
\Users\Admin\AppData\Local\Temp\fXGEK2ZllMtP9bu.exe

Filesize
3.3MB

MD5
459e7a38bf419c1d548323ddd11acaff

SHA1
768c010dec6daef656b318b039899a0ed6bac22e

SHA256
0bd5fa9b8214a0ab679ad2188fd898da7318d6f4ed34dd4110774d00cc405cc0

SHA512
8b163a6e3c6221264a302f40a08e6352a08881337d28c682f127411a4debaa611a7a9ecf9b58381ba615782db66fdd42aaa65db780d8cb465594380c5db94cfd

Download Submit
memory/2792-17-0x00000000012D0000-0x00000000012F5000-memory.dmp

Filesize
148KB

Download
memory/2796-1-0x0000000000E60000-0x0000000000E85000-memory.dmp

Filesize
148KB

Download
memory/2796-13-0x00000000000F0000-0x0000000000115000-memory.dmp

Filesize
148KB

Download
memory/2796-11-0x0000000000E60000-0x0000000000E85000-memory.dmp

Filesize
148KB

Download
memory/2796-7-0x00000000000F0000-0x0000000000115000-memory.dmp

Filesize
148KB

Download
memory/2796-25-0x00000000000F0000-0x0000000000115000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads