blackmoon | ef7520c0e507c804fc5dd365395d118c342bda99efbea0b9a9988847c22e3476

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20-07-2023 11:22

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General

Target

DKCat.exe
Size

17.2MB
MD5

7192bbfd6821694aef377cf7d21846f6
SHA1

470f520859048e63cfde70206e47266e2d9f5aeb
SHA256

ef7520c0e507c804fc5dd365395d118c342bda99efbea0b9a9988847c22e3476
SHA512

c4d85f99671094e866f83c465cc2fc1923d6cd7fa1962f3431471a8cf1ce13cbb51886ae0b7b7320c4e2fae77da29586d076ae8e32b59d3167b5ee4cdb1bc511
SSDEEP

393216:o+XjgI884sQiasvvLNOmYg3r3d51AyzmkiFmRuEj:o+XjS8XhasvvLNfpbN5aYgsgA

Score

10^/10

blackmoon banker trojan upx

Malware Config

Signatures

Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 22 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2448-56-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-69-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-71-0x0000000003090000-0x00000000030B4000-memory.dmp	family_blackmoon
behavioral1/memory/2448-75-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-77-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-86-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-92-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-110-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-119-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-132-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-134-0x0000000003090000-0x00000000030B4000-memory.dmp	family_blackmoon
behavioral1/memory/2448-133-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2448-138-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2780-153-0x0000000002E50000-0x0000000002E74000-memory.dmp	family_blackmoon
behavioral1/memory/2780-154-0x0000000002E50000-0x0000000002E74000-memory.dmp	family_blackmoon
behavioral1/memory/2780-152-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2780-155-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2780-159-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2780-162-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2780-166-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2780-172-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon
behavioral1/memory/2780-218-0x0000000000400000-0x0000000001590000-memory.dmp	family_blackmoon

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2448-54-0x0000000010000000-0x0000000010019000-memory.dmp	upx
behavioral1/memory/2448-71-0x0000000003090000-0x00000000030B4000-memory.dmp	upx
behavioral1/memory/2448-70-0x0000000001820000-0x0000000001846000-memory.dmp	upx
behavioral1/memory/2448-134-0x0000000003090000-0x00000000030B4000-memory.dmp	upx
behavioral1/memory/2448-135-0x0000000001820000-0x0000000001846000-memory.dmp	upx
behavioral1/memory/2448-136-0x0000000010000000-0x0000000010019000-memory.dmp	upx
behavioral1/memory/2780-151-0x00000000015F0000-0x0000000001616000-memory.dmp	upx
behavioral1/memory/2780-153-0x0000000002E50000-0x0000000002E74000-memory.dmp	upx
behavioral1/memory/2780-154-0x0000000002E50000-0x0000000002E74000-memory.dmp	upx
behavioral1/memory/2780-169-0x00000000015F0000-0x0000000001616000-memory.dmp	upx
behavioral1/memory/2780-217-0x0000000010000000-0x0000000010019000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

DKCat.exe

description ioc process

File created C:\Windows\SysWOW64\Dult.dll DKCat.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\SysWOW64\Dult.dll	DKCat.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

DKCat.exeDKCat.exe

description	pid	process
Token: SeDebugPrivilege	2448	DKCat.exe
Token: SeDebugPrivilege	2448	DKCat.exe
Token: SeDebugPrivilege	2448	DKCat.exe
Token: 1	2448	DKCat.exe
Token: SeDebugPrivilege	2448	DKCat.exe
Token: SeDebugPrivilege	2448	DKCat.exe
Token: SeDebugPrivilege	2448	DKCat.exe
Token: SeDebugPrivilege	2780	DKCat.exe
Token: SeDebugPrivilege	2780	DKCat.exe
Token: SeDebugPrivilege	2780	DKCat.exe
Token: 1	2780	DKCat.exe
Token: SeDebugPrivilege	2780	DKCat.exe
Token: SeDebugPrivilege	2780	DKCat.exe
Token: SeDebugPrivilege	2780	DKCat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

DKCat.exeDKCat.exe

pid process

2448 DKCat.exe
2448 DKCat.exe
2780 DKCat.exe
2780 DKCat.exe

pid	process
2448	DKCat.exe
2448	DKCat.exe
2780	DKCat.exe
2780	DKCat.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

DKCat.exe

description	pid	process	target process
PID 2448 wrote to memory of 2780	2448	DKCat.exe	DKCat.exe
PID 2448 wrote to memory of 2780	2448	DKCat.exe	DKCat.exe
PID 2448 wrote to memory of 2780	2448	DKCat.exe	DKCat.exe
PID 2448 wrote to memory of 2780	2448	DKCat.exe	DKCat.exe

C:\Users\Admin\AppData\Local\Temp\DKCat.exe
"C:\Users\Admin\AppData\Local\Temp\DKCat.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\DKCat.exe
  "C:\Users\Admin\AppData\Local\Temp\DKCat.exe" 1133267
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2448-54-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2448-56-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-69-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-71-0x0000000003090000-0x00000000030B4000-memory.dmp

Filesize
144KB

Download
memory/2448-70-0x0000000001820000-0x0000000001846000-memory.dmp

Filesize
152KB

Download
memory/2448-75-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-77-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-86-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-92-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-110-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-119-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-132-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-134-0x0000000003090000-0x00000000030B4000-memory.dmp

Filesize
144KB

Download
memory/2448-133-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2448-135-0x0000000001820000-0x0000000001846000-memory.dmp

Filesize
152KB

Download
memory/2448-136-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2448-138-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2780-151-0x00000000015F0000-0x0000000001616000-memory.dmp

Filesize
152KB

Download
memory/2780-153-0x0000000002E50000-0x0000000002E74000-memory.dmp

Filesize
144KB

Download
memory/2780-154-0x0000000002E50000-0x0000000002E74000-memory.dmp

Filesize
144KB

Download
memory/2780-152-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2780-155-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2780-159-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2780-162-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2780-166-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2780-169-0x00000000015F0000-0x0000000001616000-memory.dmp

Filesize
152KB

Download
memory/2780-172-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download
memory/2780-194-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-195-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-196-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-197-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-204-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-203-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-202-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-211-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-210-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-205-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-213-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-212-0x0000000001630000-0x0000000001730000-memory.dmp

Filesize
1024KB

Download
memory/2780-217-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2780-218-0x0000000000400000-0x0000000001590000-memory.dmp

Filesize
17.6MB

Download