2e54b3cd5a16b72d15a495353764944a3ae251ae147833bddf1f09ac8608d9c7

General

Target

7835523fb2325446824091b9b51eb428.exe
Size

2.7MB
MD5

7835523fb2325446824091b9b51eb428
SHA1

bb7c7b7a38281dd5c8d3ca7e688b4d497ac74888
SHA256

2e54b3cd5a16b72d15a495353764944a3ae251ae147833bddf1f09ac8608d9c7
SHA512

92aac0b49362618ba73093365e7eaea3e467a20330a89114bc7aa16074b1a734a184bb2d1c3381233de1443124d07050b2853bdba7da8abbcf5c2e3f82db4cb3
SSDEEP

49152:k2kJaM0/ILhHD0xpruRN9uM5QBKLfniPUnrudY/ktspwJkbO9JvD+vW8Y/a+:paaMIIKxpruRzuUQB2sUnrudY/sewSOf

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2084	7835523fb2325446824091b9b51eb428.tmp
2788	rkverify.exe

Loads dropped DLL 8 IoCs

pid	Process
2504	7835523fb2325446824091b9b51eb428.exe
2084	7835523fb2325446824091b9b51eb428.tmp
2084	7835523fb2325446824091b9b51eb428.tmp
2084	7835523fb2325446824091b9b51eb428.tmp
2084	7835523fb2325446824091b9b51eb428.tmp
2084	7835523fb2325446824091b9b51eb428.tmp
2788	rkverify.exe
2084	7835523fb2325446824091b9b51eb428.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2788	rkverify.exe
2788	rkverify.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2084	7835523fb2325446824091b9b51eb428.tmp

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	rkverify.exe
2788	rkverify.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2084	2504	7835523fb2325446824091b9b51eb428.exe	28
PID 2504 wrote to memory of 2084	2504	7835523fb2325446824091b9b51eb428.exe	28
PID 2504 wrote to memory of 2084	2504	7835523fb2325446824091b9b51eb428.exe	28
PID 2504 wrote to memory of 2084	2504	7835523fb2325446824091b9b51eb428.exe	28
PID 2504 wrote to memory of 2084	2504	7835523fb2325446824091b9b51eb428.exe	28
PID 2504 wrote to memory of 2084	2504	7835523fb2325446824091b9b51eb428.exe	28
PID 2504 wrote to memory of 2084	2504	7835523fb2325446824091b9b51eb428.exe	28
PID 2084 wrote to memory of 2788	2084	7835523fb2325446824091b9b51eb428.tmp	29
PID 2084 wrote to memory of 2788	2084	7835523fb2325446824091b9b51eb428.tmp	29
PID 2084 wrote to memory of 2788	2084	7835523fb2325446824091b9b51eb428.tmp	29
PID 2084 wrote to memory of 2788	2084	7835523fb2325446824091b9b51eb428.tmp	29

C:\Users\Admin\AppData\Local\Temp\7835523fb2325446824091b9b51eb428.exe
"C:\Users\Admin\AppData\Local\Temp\7835523fb2325446824091b9b51eb428.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\is-FG8CQ.tmp\7835523fb2325446824091b9b51eb428.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FG8CQ.tmp\7835523fb2325446824091b9b51eb428.tmp" /SL5="$30156,2463795,50688,C:\Users\Admin\AppData\Local\Temp\7835523fb2325446824091b9b51eb428.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Users\Admin\AppData\Local\Temp\is-3GJ1R.tmp\rkverify.exe
    "C:\Users\Admin\AppData\Local\Temp\is-3GJ1R.tmp\rkverify.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\CSM4634.tmp

Filesize
148KB

MD5
580d9673e5ec5d90de1f83e2fd1742c2

SHA1
0dd94bcc3dc39097bf4bea145356e398665dda4f

SHA256
868b1aee31c6335a5fc4257f20346e2d99fbd86bc7554b415da41fc19b13b3b1

SHA512
f31f651034ccdaa7ed0bc134186ec56a687495ebf4888fc0d538457684b9f4dbb1b63f38f5881af929ef41e7a4f5d2820e0301118d79e32c4b3c1f1fdef9696b

Download Submit
\Users\Admin\AppData\Local\Temp\is-3GJ1R.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-3GJ1R.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-3GJ1R.tmp\rkverify.exe

Filesize
236KB

MD5
13a90680100cd1dd6e49bb3c8982b671

SHA1
11cd205b2d87a595bbd762ba34e6f85cc7dbced5

SHA256
cc93832d7ebdbe3179c883ec56c7f04122512143910b5b091e01cd63c9a4438e

SHA512
0283436e103c02f6ffac99fa4ec4824373c7e77f8627cc4812354ee51029187d446ed98fb1f1f0f204d1d63eaa377e0f7c9511360c213c76662b8a9e25939c51

Download Submit
\Users\Admin\AppData\Local\Temp\is-FG8CQ.tmp\7835523fb2325446824091b9b51eb428.tmp

Filesize
666KB

MD5
022a62afadf6ad59a82329273c6db50d

SHA1
75202f050bbb8986dda9f0f665b5d56bcc48690d

SHA256
e7bf684865dfef9a1cec9925259087a361a98fbedbfe6c4e9e0066299c7fbf58

SHA512
01a7ef5ef722774c96f23d17c30884745ae01ebc54017b404408dd86b02ce399595e1d15f6eb5d55c1876aff6a78fd07bde13e9559c07ab659a00cbf7275dd09

Download Submit
memory/2084-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2084-33-0x0000000003650000-0x0000000003660000-memory.dmp

Filesize
64KB

Download
memory/2084-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2084-42-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2504-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2504-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2504-34-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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