8992d2265f134a8d823d152e745f2fce0c7a2b4fa05bdb6f52e880e03abc20e2

General

Target

3a339de235242061e8af92ed17d9838e.exe
Size

4.1MB
MD5

3a339de235242061e8af92ed17d9838e
SHA1

0a697ae927bb4167ae2fca4ebb38d9926843c4ea
SHA256

8992d2265f134a8d823d152e745f2fce0c7a2b4fa05bdb6f52e880e03abc20e2
SHA512

3ab0b8fb77a8916e418a08077165c2de1893b7a755042c08d7ba7b591837fc4b26172c19a6c81d9eb4c1bbebdd62097abf66f4105c40eb6e6d7ad3b88c71aee1

Score

8^/10

discovery spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

dsf.exeyaeblan_v0.7b_windows_64.exe

pid process

4832 dsf.exe
4724 yaeblan_v0.7b_windows_64.exe

pid	process
4832	dsf.exe
4724	yaeblan_v0.7b_windows_64.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\yaeblan_v0.7b_windows_64.exe	upx
C:\Users\Admin\AppData\Roaming\yaeblan_v0.7b_windows_64.exe	upx

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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 5 IoCs

Processes:

yaeblan_v0.7b_windows_64.exedsf.exe

pid	process
4724	yaeblan_v0.7b_windows_64.exe
4724	yaeblan_v0.7b_windows_64.exe
4724	yaeblan_v0.7b_windows_64.exe
4724	yaeblan_v0.7b_windows_64.exe
4832	dsf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dsf.exe

description pid process

Token: SeDebugPrivilege 4832 dsf.exe

description	pid	process
Token: SeDebugPrivilege	4832	dsf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3a339de235242061e8af92ed17d9838e.exeyaeblan_v0.7b_windows_64.execmd.exe

description	pid	process	target process
PID 4068 wrote to memory of 4832	4068	3a339de235242061e8af92ed17d9838e.exe	dsf.exe
PID 4068 wrote to memory of 4832	4068	3a339de235242061e8af92ed17d9838e.exe	dsf.exe
PID 4068 wrote to memory of 4832	4068	3a339de235242061e8af92ed17d9838e.exe	dsf.exe
PID 4068 wrote to memory of 4724	4068	3a339de235242061e8af92ed17d9838e.exe	yaeblan_v0.7b_windows_64.exe
PID 4068 wrote to memory of 4724	4068	3a339de235242061e8af92ed17d9838e.exe	yaeblan_v0.7b_windows_64.exe
PID 4724 wrote to memory of 824	4724	yaeblan_v0.7b_windows_64.exe	cmd.exe
PID 4724 wrote to memory of 824	4724	yaeblan_v0.7b_windows_64.exe	cmd.exe
PID 824 wrote to memory of 3148	824	cmd.exe	choice.exe
PID 824 wrote to memory of 3148	824	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\3a339de235242061e8af92ed17d9838e.exe
"C:\Users\Admin\AppData\Local\Temp\3a339de235242061e8af92ed17d9838e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4068

C:\Users\Admin\AppData\Roaming\dsf.exe
C:\Users\Admin\AppData\Roaming\dsf.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832

C:\Users\Admin\AppData\Roaming\yaeblan_v0.7b_windows_64.exe
C:\Users\Admin\AppData\Roaming\yaeblan_v0.7b_windows_64.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4724

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Roaming\yaeblan_v0.7b_windows_64.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:824

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
4⤵
PID:3148

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\dsf.exe
Filesize
67KB

MD5
50a3d597e7dd7a7cc9027f31fdf37e9b

SHA1
8e312f2d1f45ef6c689c71dd1983da2622dc3a74

SHA256
fd5681cdb263b7cd8de85c81bcf9fdf4263efadac6b280fa05827a78c61a9e81

SHA512
041bbcba298e82620d5ca8ea49b828003479e41a5e12251effb75ca735b3e7664bc8812300ce4f3fbff9dfe16783cd5cf38e143ec61586de89113cd149b950c9

Download Submit
C:\Users\Admin\AppData\Roaming\dsf.exe
Filesize
67KB

MD5
50a3d597e7dd7a7cc9027f31fdf37e9b

SHA1
8e312f2d1f45ef6c689c71dd1983da2622dc3a74

SHA256
fd5681cdb263b7cd8de85c81bcf9fdf4263efadac6b280fa05827a78c61a9e81

SHA512
041bbcba298e82620d5ca8ea49b828003479e41a5e12251effb75ca735b3e7664bc8812300ce4f3fbff9dfe16783cd5cf38e143ec61586de89113cd149b950c9

Download Submit
C:\Users\Admin\AppData\Roaming\yaeblan_v0.7b_windows_64.exe
Filesize
4.0MB

MD5
5a4e5454977ef57754968be2b696adcf

SHA1
0a008f2cff955a31ad28efa8638c1aa7a31a1fde

SHA256
2a58e995450c2b5c22e73386a861933ed0c11f34cab59eec2076dff6291d1a1b

SHA512
861f29bcef1493642f6cd67e5af7ebcc808dbee71c246661b2589cc1fa194590aed61a913a834a96b49c5c4e67a08c69ed412817bb5707af6f38a5ca7661b6bf

Download Submit
C:\Users\Admin\AppData\Roaming\yaeblan_v0.7b_windows_64.exe
Filesize
4.0MB

MD5
5a4e5454977ef57754968be2b696adcf

SHA1
0a008f2cff955a31ad28efa8638c1aa7a31a1fde

SHA256
2a58e995450c2b5c22e73386a861933ed0c11f34cab59eec2076dff6291d1a1b

SHA512
861f29bcef1493642f6cd67e5af7ebcc808dbee71c246661b2589cc1fa194590aed61a913a834a96b49c5c4e67a08c69ed412817bb5707af6f38a5ca7661b6bf

Download Submit
memory/824-141-0x0000000000000000-mapping.dmp

Download
memory/3148-143-0x0000000000000000-mapping.dmp

Download
memory/4724-133-0x0000000000000000-mapping.dmp

Download
memory/4832-140-0x0000000006EF0000-0x0000000006F2C000-memory.dmp

Filesize
240KB

Download
memory/4832-138-0x0000000006E90000-0x0000000006EA2000-memory.dmp

Filesize
72KB

Download
memory/4832-139-0x0000000006FC0000-0x00000000070CA000-memory.dmp

Filesize
1.0MB

Download
memory/4832-130-0x0000000000000000-mapping.dmp

Download
memory/4832-137-0x0000000007400000-0x0000000007A18000-memory.dmp

Filesize
6.1MB

Download
memory/4832-142-0x0000000007FD0000-0x0000000008574000-memory.dmp

Filesize
5.6MB

Download
memory/4832-136-0x0000000000010000-0x0000000000028000-memory.dmp

Filesize
96KB

Download
memory/4832-144-0x0000000007A20000-0x0000000007AB2000-memory.dmp

Filesize
584KB

Download
memory/4832-145-0x0000000007360000-0x00000000073C6000-memory.dmp

Filesize
408KB

Download
memory/4832-146-0x0000000008940000-0x00000000089B6000-memory.dmp

Filesize
472KB

Download
memory/4832-147-0x00000000089E0000-0x00000000089FE000-memory.dmp

Filesize
120KB

Download
memory/4832-148-0x0000000008D70000-0x0000000008F32000-memory.dmp

Filesize
1.8MB

Download
memory/4832-149-0x0000000009470000-0x000000000999C000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads