e491b971f28263ff72a2979e2718a0df3438639fd35aa6a3518385ac4610c9ba

General

Target

0b3a7ce86f92a96b2ea84fbc76f4eea6.exe
Size

48KB
MD5

0b3a7ce86f92a96b2ea84fbc76f4eea6
SHA1

8adabf03bb1787f1045a63de560e9316670ad3a8
SHA256

e491b971f28263ff72a2979e2718a0df3438639fd35aa6a3518385ac4610c9ba
SHA512

4a017d21352bce6a2af655ebd5173435f56c55e08e8c50834cc3c4da5755ff9700bdbcc0b23e012529456683071138ca901250f714a1a7677df70ab26074fada
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFbdkSCXzi9X9yUuuVov2:SKcR4mjD9r823FxkUNyUuuV22

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2772	Ul3WBuNRZkSx5Xm.exe
2448	CTS.exe
1344	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe
2244	Process not Found

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1340-0-0x0000000000120000-0x0000000000137000-memory.dmp	upx
behavioral1/memory/1340-11-0x0000000000120000-0x0000000000137000-memory.dmp	upx
behavioral1/files/0x000b000000012263-10.dat	upx
behavioral1/memory/1340-7-0x0000000000070000-0x0000000000087000-memory.dmp	upx
behavioral1/memory/2448-19-0x0000000001280000-0x0000000001297000-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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe
Token: SeDebugPrivilege	2448	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 2772	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	28
PID 1340 wrote to memory of 2772	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	28
PID 1340 wrote to memory of 2772	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	28
PID 1340 wrote to memory of 2772	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	28
PID 1340 wrote to memory of 2448	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	30
PID 1340 wrote to memory of 2448	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	30
PID 1340 wrote to memory of 2448	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	30
PID 1340 wrote to memory of 2448	1340	0b3a7ce86f92a96b2ea84fbc76f4eea6.exe	30

C:\Users\Admin\AppData\Local\Temp\0b3a7ce86f92a96b2ea84fbc76f4eea6.exe
"C:\Users\Admin\AppData\Local\Temp\0b3a7ce86f92a96b2ea84fbc76f4eea6.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:1340
- C:\Users\Admin\AppData\Local\Temp\Ul3WBuNRZkSx5Xm.exe
  C:\Users\Admin\AppData\Local\Temp\Ul3WBuNRZkSx5Xm.exe
  2⤵
  - Executes dropped EXE
  PID:2772
- 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:2448

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\Ul3WBuNRZkSx5Xm.exe

Filesize
18KB

MD5
3d02b1d79394fe13058ab40a0abfb133

SHA1
d6c2b092f1bc79a1b53975bc9b34a5a3c4529ba9

SHA256
41151a38436ceb8acaac016619e3eeb99b671cd13c024d6d8e91fa89b7697900

SHA512
0b312a77f3a422f695e8b7953f03db31941fd24540e7162221dc8fefcc323e16ef7cf3ce6f82dc1f7e8bd78214301b082de518878a803f989ab85485918e00bc

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1340-0-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/1340-11-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/1340-7-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2448-19-0x0000000001280000-0x0000000001297000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads