bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959

General

Target

bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959.exe
Size

986KB
MD5

7185a4682dd021b6590fbf3713657ab8
SHA1

0b40cdce96649ed78abeffceb8dad7839baf90cb
SHA256

bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959
SHA512

db9ca84181ba2023930c1bb1b92d543185bdfa381216a6095e873521c2bfbc3175add68f7242bc1365ff4d70bcff304e85aaf57aa6022b0b2c1d32d00599df87
SSDEEP

24576:aczJKVdmADtLIj1qj8/Ob1HnVkaJknReHX73d:acA2WtL+qj8/WHVb5Lt

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1188	starter.exe
1684	start.exe
4736	s.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959.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
T1081
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

pid	Process
4736	s.exe
4736	s.exe
4736	s.exe
4736	s.exe
4736	s.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	s.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1188	starter.exe
1188	starter.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	starter.exe
1188	starter.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1188	1112	bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959.exe	79
PID 1112 wrote to memory of 1188	1112	bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959.exe	79
PID 1112 wrote to memory of 1188	1112	bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959.exe	79
PID 1188 wrote to memory of 1684	1188	starter.exe	80
PID 1188 wrote to memory of 1684	1188	starter.exe	80
PID 1188 wrote to memory of 1684	1188	starter.exe	80
PID 1188 wrote to memory of 4736	1188	starter.exe	81
PID 1188 wrote to memory of 4736	1188	starter.exe	81

C:\Users\Admin\AppData\Local\Temp\bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959.exe
"C:\Users\Admin\AppData\Local\Temp\bc5026fcf872c2d6337a8afa8f38cc61f3b1cc11a0cda8456ed3f01535b21959.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\starter.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\starter.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe
    start.exe
    3⤵
    - Executes dropped EXE
    PID:1684
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\s.exe
    s.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\s.exe

Filesize
85KB

MD5
7c75fd42b6921b4dd8dbc2a6a152aef4

SHA1
0a1f97e753851ddd7e147b8e60f0c7d74d9de1d3

SHA256
720d3250153c3c9934adb545e417f7564bfec2cfdae46da0c936cf6acca95ea1

SHA512
112c2c9a8a89b7023d88659bea563cbd3cc719a7b5d28b17a00112305f8c6fb2319d833fea61f64454294c2dfef3d1c749ce19edf6bda471f7a8aa7c641fb95a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\s.exe

Filesize
85KB

MD5
7c75fd42b6921b4dd8dbc2a6a152aef4

SHA1
0a1f97e753851ddd7e147b8e60f0c7d74d9de1d3

SHA256
720d3250153c3c9934adb545e417f7564bfec2cfdae46da0c936cf6acca95ea1

SHA512
112c2c9a8a89b7023d88659bea563cbd3cc719a7b5d28b17a00112305f8c6fb2319d833fea61f64454294c2dfef3d1c749ce19edf6bda471f7a8aa7c641fb95a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe

Filesize
208KB

MD5
331a51a2189bca1e199de6d1b48af92d

SHA1
cc473cf5611569af298d09561e425493d0538722

SHA256
fd53d042d12f2316b5bc095676f092e898c89a24a9eac4f71b2a382ec791b4d3

SHA512
86d7031e65be13c3bf0da806bb7d4992f5413ea0fbdf3e3735b2e4b37773206cf6944288eb216feb0064514e1532506a30dafe996a67338ef7892557402f2702

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe

Filesize
208KB

MD5
331a51a2189bca1e199de6d1b48af92d

SHA1
cc473cf5611569af298d09561e425493d0538722

SHA256
fd53d042d12f2316b5bc095676f092e898c89a24a9eac4f71b2a382ec791b4d3

SHA512
86d7031e65be13c3bf0da806bb7d4992f5413ea0fbdf3e3735b2e4b37773206cf6944288eb216feb0064514e1532506a30dafe996a67338ef7892557402f2702

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\starter.exe

Filesize
784KB

MD5
2b5085722474a5675e611947c07db31d

SHA1
06797dfae01ddfea7b843d61f47751672a96cccd

SHA256
d4bd3a9a7bc399c1eae265d0ee4f11ad2224e7b2587bdaa8fa78c0360af5cf39

SHA512
3fd94d152f0bbf9bf36ca3adb78d3c350d30172b9711485bdc7e1fd9b78810dc391fb7efde67873884adbd76afeb9e8b3954597d69d9e9bb5a2059447afc4a71

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\starter.exe

Filesize
784KB

MD5
2b5085722474a5675e611947c07db31d

SHA1
06797dfae01ddfea7b843d61f47751672a96cccd

SHA256
d4bd3a9a7bc399c1eae265d0ee4f11ad2224e7b2587bdaa8fa78c0360af5cf39

SHA512
3fd94d152f0bbf9bf36ca3adb78d3c350d30172b9711485bdc7e1fd9b78810dc391fb7efde67873884adbd76afeb9e8b3954597d69d9e9bb5a2059447afc4a71

Download Submit
memory/1684-141-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1684-142-0x0000000004D00000-0x0000000004D9C000-memory.dmp

Filesize
624KB

Download
memory/1684-143-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/1684-144-0x0000000004DA0000-0x0000000004E32000-memory.dmp

Filesize
584KB

Download
memory/1684-146-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/1684-147-0x0000000004F90000-0x0000000004FE6000-memory.dmp

Filesize
344KB

Download
memory/4736-145-0x00007FFF3B3A0000-0x00007FFF3BDD6000-memory.dmp

Filesize
10.2MB

Download

Analysis

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